Preface to the Second Edition |
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iv | |
About the Author |
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ix | |
1 Introduction to Analog Design |
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1 | (6) |
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1 | (3) |
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1.1.1 Sensing and Processing Signals |
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1 | (1) |
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1.1.2 When Digital Signals Become Analog |
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2 | (1) |
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1.1.3 Analog Design Is in Great Demand |
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3 | (1) |
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1.1.4 Analog Design Challenges |
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4 | (1) |
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4 | (1) |
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5 | (1) |
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5 | (1) |
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1.5 Levels of Abstraction |
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5 | (2) |
2 Basic MOS Device Physics |
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7 | (38) |
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2.1 General Considerations |
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7 | (3) |
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7 | (1) |
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8 | (1) |
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9 | (1) |
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2.2 MOS UV Characteristics |
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10 | (10) |
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10 | (2) |
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2.2.2 Derivation of UV Characteristics |
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12 | (7) |
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2.2.3 MOS Transconductance |
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19 | (1) |
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20 | (6) |
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26 | (10) |
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26 | (1) |
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2.4.2 MOS Device Capacitances |
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27 | (4) |
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2.4.3 MOS Small-Signal Model |
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31 | (3) |
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34 | (1) |
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2.4.5 NMOS Versus PMOS Devices |
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35 | (1) |
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2.4.6 Long-Channel Versus Short-Channel Devices |
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35 | (1) |
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36 | (1) |
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2.6 Appendix B: Behavior of a MOS Device as a Capacitor |
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37 | (8) |
3 Single-Stage Amplifiers |
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45 | (55) |
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45 | (1) |
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3.2 General Considerations |
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45 | (2) |
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47 | (21) |
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3.3.1 Common-Source Stage with Resistive Load |
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47 | (5) |
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3.3.2 CS Stage with Diode-Connected Load |
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52 | (6) |
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3.3.3 CS Stage with Current-Source Load |
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58 | (1) |
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3.3.4 CS Stage with Active Load |
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59 | (1) |
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3.3.5 CS Stage with Triode Load |
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60 | (1) |
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3.3.6 CS Stage with Source Degeneration |
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61 | (7) |
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68 | (7) |
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75 | (7) |
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82 | (10) |
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90 | (2) |
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3.7 Choice of Device Models |
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92 | (8) |
4 Differential Amplifiers |
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100 | (34) |
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4.1 Single-Ended and Differential Operation |
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100 | (3) |
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4.2 Basic Differential Pair |
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103 | (15) |
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4.2.1 Qualitative Analysis |
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104 | (2) |
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4.2.2 Quantitative Analysis |
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106 | (10) |
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4.2.3 Degenerated Differential Pair |
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116 | (2) |
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118 | (5) |
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4.4 Differential Pair with MOS Loads |
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123 | (3) |
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126 | (8) |
5 Current Mirrors and Biasing Techniques |
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134 | (39) |
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5.1 Basic Current Mirrors |
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134 | (5) |
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5.2 Cascode Current Mirrors |
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139 | (7) |
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5.3 Active Current Mirrors |
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146 | (14) |
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5.3.1 Large-Signal Analysis |
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149 | (3) |
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5.3.2 Small-Signal Analysis |
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152 | (4) |
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5.3.3 Common-Mode Properties |
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156 | (3) |
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5.3.4 Other Properties of Five-Transistor OTA |
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159 | (1) |
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160 | (13) |
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161 | (3) |
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164 | (1) |
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5.4.3 Source Follower Biasing |
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165 | (1) |
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5.4.4 Differential Pair Biasing |
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166 | (7) |
6 Frequency Response of Amplifiers |
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173 | (46) |
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6.1 General Considerations |
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173 | (7) |
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174 | (5) |
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6.1.2 Association of Poles with Nodes |
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179 | (1) |
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180 | (8) |
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188 | (5) |
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193 | (3) |
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196 | (2) |
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198 | (5) |
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6.6.1 Differential Pair with Passive Loads |
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198 | (3) |
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6.6.2 Differential Pair with Active Load |
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201 | (2) |
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6.7 Gain-Bandwidth Trade-Offs |
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203 | (3) |
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204 | (1) |
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6.7.2 Multi-Pole Circuits |
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205 | (1) |
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6.8 Appendix A: Extra Element Theorem |
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206 | (2) |
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6.9 Appendix B: Zero-Value Time Constant Method |
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208 | (4) |
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6.10 Appendix C: Dual of Miller's Theorem |
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212 | (7) |
7 Noise |
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219 | (55) |
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7.1 Statistical Characteristics of Noise |
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219 | (9) |
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221 | (3) |
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7.1.2 Amplitude Distribution |
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224 | (1) |
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7.1.3 Correlated and Uncorrelated Sources |
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225 | (1) |
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7.1.4 Signal-to-Noise Ratio |
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226 | (1) |
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7.1.5 Noise Analysis Procedure |
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227 | (1) |
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228 | (8) |
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228 | (6) |
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234 | (2) |
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7.3 Representation of Noise in Circuits |
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236 | (7) |
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7.4 Noise in Single-Stage Amplifiers |
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243 | (11) |
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7.4.1 Common-Source Stage |
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244 | (5) |
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249 | (4) |
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253 | (1) |
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254 | (1) |
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7.5 Noise in Current Mirrors |
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254 | (2) |
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7.6 Noise in Differential Pairs |
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256 | (7) |
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7.7 Noise-Power Trade-Off |
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263 | (1) |
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264 | (1) |
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7.9 Problem of Input Noise Integration |
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265 | (1) |
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7.10 Appendix A: Problem of Noise Correlation |
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265 | (9) |
8 Feedback |
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274 | (70) |
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8.1 General Considerations |
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274 | (12) |
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8.1.1 Properties of Feedback Circuits |
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275 | (7) |
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8.1.2 Types of Amplifiers |
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282 | (2) |
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8.1.3 Sense and Return Mechanisms |
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284 | (2) |
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286 | (12) |
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8.2.1 Voltage-Voltage Feedback |
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286 | (5) |
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8.2.2 Current-Voltage Feedback |
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291 | (3) |
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8.2.3 Voltage-Current Feedback |
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294 | (3) |
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8.2.4 Current-Current Feedback |
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297 | (1) |
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8.3 Effect of Feedback on Noise |
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298 | (1) |
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8.4 Feedback Analysis Difficulties |
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299 | (4) |
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303 | (12) |
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8.5.1 Two-Port Network Models |
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303 | (1) |
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8.5.2 Loading in Voltage-Voltage Feedback |
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304 | (4) |
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8.5.3 Loading in Current-Voltage Feedback |
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308 | (2) |
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8.5.4 Loading in Voltage-Current Feedback |
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310 | (3) |
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8.5.5 Loading in Current-Current Feedback |
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313 | (2) |
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8.5.6 Summary of Loading Effects |
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315 | (1) |
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8.6 Bode's Analysis of Feedback Circuits |
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315 | (16) |
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315 | (2) |
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8.6.2 Interpretation of Coefficients |
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317 | (3) |
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320 | (5) |
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8.6.4 Blackman's Impedance Theorem |
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325 | (6) |
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331 | (1) |
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8.8 Loop Gain Calculation Issues |
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332 | (4) |
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8.8.1 Preliminary Concepts |
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332 | (2) |
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8.8.2 Difficulties with Return Ratio |
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334 | (2) |
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8.9 Alternative Interpretations of Bode's Method |
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336 | (8) |
9 Operational Amplifiers |
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344 | (66) |
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9.1 General Considerations |
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344 | (5) |
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9.1.1 Performance Parameters |
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344 | (5) |
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349 | (12) |
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349 | (4) |
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353 | (1) |
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354 | (1) |
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9.2.4 Folded-Cascode Op Amps |
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355 | (3) |
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9.2.5 Folded-Cascode Properties |
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358 | (1) |
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359 | (2) |
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361 | (3) |
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363 | (1) |
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364 | (9) |
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364 | (4) |
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9.4.2 Circuit Implementation |
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368 | (3) |
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371 | (2) |
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373 | (1) |
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9.6 Output Swing Calculations |
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373 | (1) |
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374 | (14) |
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374 | (3) |
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9.7.2 CM Sensing Techniques |
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377 | (3) |
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9.7.3 CM Feedback Techniques |
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380 | (6) |
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9.7.4 CMFB in Two-Stage Op Amps |
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386 | (2) |
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9.8 Input Range Limitations |
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388 | (2) |
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390 | (7) |
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9.10 High-Slew-Rate Op Amps |
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397 | (3) |
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397 | (2) |
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399 | (1) |
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9.11 Power Supply Rejection |
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400 | (2) |
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402 | (8) |
10 Stability and Frequency Compensation |
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410 | (49) |
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10.1 General Considerations |
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410 | (4) |
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414 | (2) |
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416 | (4) |
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10.4 Basic Frequency Compensation |
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420 | (6) |
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10.5 Compensation of Two-Stage Op Amps |
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426 | (7) |
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10.6 Stewing in Two-Stage Op Amps |
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433 | (3) |
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10.7 Other Compensation Techniques |
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436 | (3) |
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10.8 Nyquist's Stability Criterion |
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439 | (20) |
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439 | (1) |
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440 | (2) |
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10.8.3 Construction of Polar Plots |
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442 | (5) |
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10.8.4 Cauchy's Principle |
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447 | (1) |
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447 | (3) |
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10.8.6 Systems with Poles at Origin |
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450 | (4) |
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10.8.7 Systems with Multiple 180° Crossings |
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454 | (5) |
11 Nanometer Design Studies |
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459 | (50) |
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11.1 Transistor Design Considerations |
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459 | (1) |
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11.2 Deep-Submicron Effects |
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460 | (3) |
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11.3 Transconductance Scaling |
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463 | (3) |
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466 | (6) |
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11.4.1 Design for Given ID and Vps,min |
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466 | (3) |
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11.4.2 Design for Given gm and ID |
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469 | (1) |
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11.4.3 Design for Given gm and Vps,min |
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470 | (1) |
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11.4.4 Design for a Given gm |
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471 | (1) |
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11.4.5 Choice of Channel Length |
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472 | (1) |
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11.5 Op Amp Design Examples |
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472 | (23) |
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473 | (14) |
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487 | (8) |
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11.6 High-Speed Amplifier |
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495 | (12) |
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11.6.1 General Considerations |
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496 | (4) |
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500 | (1) |
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11.6.3 Closed-Loop Small-Signal Performance |
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501 | (1) |
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502 | (3) |
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11.6.5 Large-Signal Behavior |
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505 | (2) |
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507 | (2) |
12 Bandgap References |
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509 | (30) |
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12.1 General Considerations |
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509 | (1) |
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12.2 Supply-Independent Biasing |
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509 | (4) |
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12.3 Temperature-Independent References |
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513 | (10) |
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12.3.1 Negative-TC Voltage |
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513 | (1) |
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12.3.2 Positive-TC Voltage |
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514 | (1) |
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515 | (8) |
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12.4 PTAT Current Generation |
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523 | (1) |
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524 | (1) |
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12.6 Speed and Noise Issues |
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525 | (4) |
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12.7 Low-Voltage Bandgap References |
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529 | (4) |
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533 | (6) |
13 Introduction to Switched-Capacitor Circuits |
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539 | (37) |
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13.1 General Considerations |
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539 | (4) |
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543 | (12) |
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13.2.1 MOSFETS as Switches |
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543 | (4) |
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13.2.2 Speed Considerations |
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547 | (2) |
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13.2.3 Precision Considerations |
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549 | (4) |
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13.2.4 Charge Injection Cancellation |
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553 | (2) |
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13.3 Switched-Capacitor Amplifiers |
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555 | (13) |
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13.3.1 Unity-Gain Sampler/Buffer |
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555 | (7) |
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13.3.2 Noninverting Amplifier |
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562 | (5) |
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13.3.3 Precision Multiply-by-Two Circuit |
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567 | (1) |
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13.4 Switched-Capacitor Integrator |
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568 | (3) |
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13.5 Switched-Capacitor Common-Mode Feedback |
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571 | (5) |
14 Nonlinearity and Mismatch |
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576 | (31) |
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576 | (15) |
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14.1.1 General Considerations |
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576 | (3) |
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14.1.2 Nonlinearity of Differential Circuits |
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579 | (2) |
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14.1.3 Effect of Negative Feedback on Nonlinearity |
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581 | (2) |
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14.1.4 Capacitor Nonlinearity |
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583 | (1) |
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14.1.5 Nonlinearity in Sampling Circuits |
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584 | (1) |
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14.1.6 Linearization Techniques |
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585 | (6) |
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591 | (16) |
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14.2.1 Effect of Mismatch |
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593 | (5) |
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14.2.2 Offset Cancellation Techniques |
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598 | (4) |
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14.2.3 Reduction of Noise by Offset Cancellation |
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602 | (1) |
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14.2.4 Alternative Definition of CMRR |
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603 | (4) |
15 Oscillators |
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607 | (44) |
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15.1 General Considerations |
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607 | (2) |
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609 | (9) |
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618 | (12) |
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618 | (3) |
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15.3.2 Cross-Coupled Oscillator |
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621 | (3) |
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15.3.3 Colpitts Oscillator |
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624 | (2) |
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15.3.4 One-Port Oscillators |
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626 | (4) |
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15.4 Voltage-Controlled Oscillators |
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630 | (14) |
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15.4.1 Tuning in Ring Oscillators |
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633 | (8) |
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15.4.2 Tuning in LC Oscillators |
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641 | (3) |
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15.5 Mathematical Model of VCOs |
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644 | (7) |
16 Phase-Locked Loops |
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651 | (40) |
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651 | (15) |
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651 | (2) |
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16.1.2 Basic PLL Topology |
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653 | (7) |
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16.1.3 Dynamics of Simple PLL |
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660 | (6) |
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666 | (11) |
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16.2.1 Problem of Lock Acquisition |
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666 | (1) |
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16.2.2 Phase/Frequency Detector |
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667 | (2) |
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669 | (2) |
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16.2.4 Basic Charge-Pump PLL |
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671 | (6) |
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16.3 Nonideal Effects in PLLs |
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677 | (6) |
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16.3.1 PFD/CP Nonidealities |
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677 | (4) |
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681 | (2) |
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683 | (2) |
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685 | (6) |
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16.5.1 Frequency Multiplication and Synthesis |
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685 | (2) |
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687 | (1) |
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688 | (3) |
17 Short-Channel Effects and Device Models |
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691 | (21) |
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691 | (4) |
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17.2 Short-Channel Effects |
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695 | (6) |
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17.2.1 Threshold Voltage Variation |
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695 | (2) |
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17.2.2 Mobility Degradation with Vertical Field |
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697 | (1) |
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17.2.3 Velocity Saturation |
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698 | (2) |
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17.2.4 Hot Carrier Effects |
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700 | (1) |
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17.2.5 Output Impedance Variation with Drain-Source Voltage |
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700 | (1) |
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701 | (7) |
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702 | (1) |
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702 | (2) |
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704 | (2) |
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706 | (1) |
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707 | (1) |
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17.3.6 Charge and Capacitance Modeling |
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707 | (1) |
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17.3.7 Temperature Dependence |
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708 | (1) |
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708 | (4) |
18 CMOS Processing Technology |
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712 | (21) |
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18.1 General Considerations |
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712 | (1) |
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713 | (1) |
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714 | (1) |
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715 | (1) |
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716 | (2) |
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18.6 Deposition and Etching |
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718 | (1) |
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718 | (12) |
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718 | (3) |
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721 | (6) |
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727 | (3) |
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730 | (3) |
19 Layout and Packaging |
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733 | (41) |
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19.1 General Layout Considerations |
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733 | (3) |
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734 | (2) |
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736 | (1) |
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19.2 Analog Layout Techniques |
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736 | (24) |
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19.2.1 Multifinger Transistors |
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737 | (2) |
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739 | (4) |
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19.2.3 Shallow Trench Isolation Issues |
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743 | (1) |
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19.2.4 Well Proximity Effects |
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744 | (1) |
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19.2.5 Reference Distribution |
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744 | (2) |
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746 | (7) |
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753 | (4) |
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19.2.8 Pads and ESD Protection |
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757 | (3) |
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760 | (4) |
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764 | (10) |
Index |
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774 | |