- Page 1: Operational Amplifier Chapter 1: Th
- Page 5 and 6: The first signal conditioning op am
- Page 7 and 8: 2.1 Introduction Review of Circuit
- Page 9 and 10: Voltage Divider Rule source, throug
- Page 11 and 12: 2.5 Thevenin’s Theorem Review of
- Page 13 and 14: V OUT V TH R4 V RTH R3 R4 R2 R4
- Page 15 and 16: V OUT1 V 1 R 2 R 3 R 1 R 2 R 3
- Page 17 and 18: Review of Circuit Theory Transistor
- Page 19 and 20: Development of the Ideal Op Amp Equ
- Page 21 and 22: 3.2 The Noninverting Op Amp The Non
- Page 23 and 24: 3.4 The Adder Development of the Id
- Page 25 and 26: Complex Feedback Networks portion o
- Page 27 and 28: 3.7 Video Amplifiers Development of
- Page 29 and 30: 3.9 Summary Development of the Idea
- Page 31 and 32: Single-Supply Op Amp Design Techniq
- Page 33 and 34: VIN RG Figure 4-4. Single-Supply Op
- Page 35 and 36: V OUT V CC -V IN R F R G Single-S
- Page 37 and 38: VREF VIN Figure 4-8. Noninverting O
- Page 39 and 40: m 2 1 0.1 30 Single-Supply Op Am
- Page 41 and 42: R F R G R G m R 1 R 2 R 2 b R2
- Page 43 and 44: Single-Supply Op Amp Design Techniq
- Page 45 and 46: R2 820 Ω +5V 0.01 µF VIN R1 75 k
- Page 47 and 48: |m| 5.56 R F R G R F 5.56R G Sin
- Page 49 and 50: 4.3.4 Case 4: V OUT = -mV IN - b Si
- Page 51 and 52: - Input Voltage - V V IN -0.10 -0.1
- Page 53 and 54:
5.1 Why Study Feedback Theory? Feed
- Page 55 and 56:
+ A A+B + + A A-B - Block Diagram M
- Page 57 and 58:
A K1 K2 B Block Diagram Math and Ma
- Page 59 and 60:
V OUT V IN 1 Bode Analysis of Fee
- Page 61 and 62:
20 Log (VO/VI ) Phase Shift ω = 0.
- Page 63 and 64:
Consider Equation 5-11. V OUT V IN
- Page 65 and 66:
(A) Phase (Aβ ) Amplitude (Aβ )
- Page 67 and 68:
The Second Order Equation and Ringi
- Page 69 and 70:
6.1 Introduction Development of the
- Page 71 and 72:
The output and error equation devel
- Page 73 and 74:
6.3 Noninverting Op Amps Developmen
- Page 75 and 76:
The transfer equation is given in E
- Page 77 and 78:
A aZ G Z G Z F Development of the
- Page 79 and 80:
7.1 Introduction Voltage-Feedback O
- Page 81 and 82:
AAVD VD - Large-Signal Differential
- Page 83 and 84:
AAVD VD - Large-Signal Differential
- Page 85 and 86:
AVD - Large-Signal Differential Amp
- Page 87 and 88:
7.4 Dominant-Pole Compensation Domi
- Page 89 and 90:
Degrees Phase Shift 20 Log (Aβ) 10
- Page 91 and 92:
Voltage-Feedback Op Amp Compensatio
- Page 93 and 94:
Voltage-Feedback Op Amp Compensatio
- Page 95 and 96:
Compensated Attenuator Applied to O
- Page 97 and 98:
C VIN Figure 7-20. Lead-Lag Compens
- Page 99 and 100:
7.10 Conclusions Voltage-Feedback O
- Page 101 and 102:
8.1 Introduction 8.2 CFA Model Curr
- Page 103 and 104:
Current-Feedback Op Amp Analysis Th
- Page 105 and 106:
V OUT V IN Z1 ZF ZG ZF 1 Z Z F 1
- Page 107 and 108:
8.6 Stability Analysis The stabilit
- Page 109 and 110:
Selection of the Feedback Resistor
- Page 111 and 112:
Table 8-1. Data Set for Curves in F
- Page 113 and 114:
Z F A R F 1 R F C F s Z1 R F C
- Page 115 and 116:
9.1 Introduction Voltage- and Curre
- Page 117 and 118:
Bandwidth The noninverting input of
- Page 119 and 120:
Bandwidth The CFA is a current oper
- Page 121 and 122:
9.5 Impedance Voltage- and Current-
- Page 123 and 124:
Table 9-1. Tabulation of Pertinent
- Page 125 and 126:
10.1 Introduction Op Amp Noise Theo
- Page 127 and 128:
10.2.2 Noise Floor Op Amp Noise The
- Page 129 and 130:
10.3.1 Shot Noise Op Amp Noise Theo
- Page 131 and 132:
Op Amp Noise Theory and Application
- Page 133 and 134:
10.3.4 Burst Noise Some characteris
- Page 135 and 136:
Frequency Spectrum Types of Noise O
- Page 137 and 138:
Hz Vn - Input Noise Voltage - Vrms/
- Page 139 and 140:
Op Amp Noise Theory and Application
- Page 141 and 142:
This simplifies the gain calculatio
- Page 143 and 144:
10.6 Putting It All Together Op Amp
- Page 145 and 146:
When it is assembled, it oscillates
- Page 147 and 148:
100 k 100 k +5 V VIN 1 k 0.1 µF Fi
- Page 149 and 150:
11.1 Introduction Understanding Op
- Page 151 and 152:
Operational Amplifier Parameter Glo
- Page 153 and 154:
Operational Amplifier Parameter Glo
- Page 155 and 156:
ABBV PARAMETER B1 Unity gain bandwi
- Page 157 and 158:
10 Ω 10 kΩ _ DUT + (a) Vout 10
- Page 159 and 160:
11.3.3 Input Common Mode Voltage Ra
- Page 161 and 162:
11.3.6 Large Signal Differential Vo
- Page 163 and 164:
11.3.9 Common-Mode Rejection Ratio
- Page 165 and 166:
Vn Vp Q1 Q2 INPUT STAGE Figure 11-8
- Page 167 and 168:
Additional Parameter Information be
- Page 169 and 170:
AVD — dB Phase — ° 120 100 80
- Page 171 and 172:
Instrumentation: Sensors to A/D Con
- Page 173 and 174:
The system definition specifies the
- Page 175 and 176:
pends heavily on test conditions su
- Page 177 and 178:
the bias resistor, R 1, is selected
- Page 179 and 180:
V OUT I D R F (12-6) The phototran
- Page 181 and 182:
the semiconductor in a direction pe
- Page 183 and 184:
eference has a temperature drift of
- Page 185 and 186:
impedance of the transducer. The te
- Page 187 and 188:
Y mX b (12-14) Two pairs of data
- Page 189 and 190:
Table 12-5. Offset and Gain Error B
- Page 191 and 192:
TEMP SENSOR D1 +5 V RB1 210 Ω TL4
- Page 193 and 194:
12.10 Test 12.11 Summary 12.12 Refe
- Page 195 and 196:
Wireless Communication: Signal Cond
- Page 197 and 198:
Wireless Communication: Signal Cond
- Page 199 and 200:
DSP/ ASIC Wireless Communication: S
- Page 201 and 202:
Wireless Communication: Signal Cond
- Page 203 and 204:
Selection of ADCs/DACs fication. Wi
- Page 205 and 206:
Anti-Aliasing Filters The op amp dy
- Page 207 and 208:
13.6 Communication D/A Converter Re
- Page 209 and 210:
THS5672 DAC IOUT1 IOUT2 C fb 3.182
- Page 211 and 212:
VOUT - dB 20 0 -20 -40 -60 -80 -100
- Page 213 and 214:
THS4141 Gain = 1 VOUT - dBV Phase -
- Page 215 and 216:
VOUT - dB 10 5 0 -5 -10 -15 -20 100
- Page 217 and 218:
14.1 Introduction Interfacing D/A C
- Page 219 and 220:
Understanding the D/A Converter and
- Page 221 and 222:
VREF 2R B3 B2 B1 1 0 1 0 1 0 1 0 I3
- Page 223 and 224:
14.4.1 Accuracy versus Resolution D
- Page 225 and 226:
Amplitude — dB -20 -40 -60 -80 -1
- Page 227 and 228:
Analog Output Voltage 3 2 1 0 Nomin
- Page 229 and 230:
Analog Output Value Figure 14-9. Di
- Page 231 and 232:
14.5.2.4 Spurious Free Dynamic Rang
- Page 233 and 234:
Analog Output Voltage Digital Chang
- Page 235 and 236:
Where: CO RF CF GBW T S R F C O
- Page 237 and 238:
VREF RIN D/A D × VREF/R RS RF CO I
- Page 239 and 240:
VREF Increasing Op Amp Buffer Ampli
- Page 241 and 242:
15.1 What is a Sine Wave Oscillator
- Page 243 and 244:
15.3 Phase Shift in the Oscillator
- Page 245 and 246:
Active Element (Op Amp) Impact on t
- Page 247 and 248:
Distortion — % 8 7 6 5 4 3 2 1 0
- Page 249 and 250:
Sine Wave Oscillator Circuits Phase
- Page 251 and 252:
Sine Wave Oscillator Circuits large
- Page 253 and 254:
Sine Wave Oscillator Circuits The i
- Page 255 and 256:
RG 55.2 kΩ 2.5 V RF 1.5 MΩ +5 V
- Page 257 and 258:
Figure 15-17. Output of the Circuit
- Page 259 and 260:
Sine Wave Oscillator Circuits resis
- Page 261 and 262:
15.7.6 Conclusion Sine Wave Oscilla
- Page 263 and 264:
16.1 Introduction What is a filter?
- Page 265 and 266:
V IN R C R C R C Fundamentals of Lo
- Page 267 and 268:
A(s) Fundamentals of Low-Pass Filt
- Page 269 and 270:
16.2.2 Tschebyscheff Low-Pass Filte
- Page 271 and 272:
|A| — Gain — dB 10 0 -10 -20 -3
- Page 273 and 274:
Active Filter Design Techniques Low
- Page 275 and 276:
R 1 R2 Figure 16-13. First-Order In
- Page 277 and 278:
V IN Figure 16-15. General Sallen-K
- Page 279 and 280:
The general transfer function chang
- Page 281 and 282:
In order to obtain real values for
- Page 283 and 284:
With C 1 = 330 pF and C 2 = 4.7 nF,
- Page 285 and 286:
16.4.1 First-Order High-Pass Filter
- Page 287 and 288:
Active Filter Design Techniques Hig
- Page 289 and 290:
Second Filter R 1 1 2fca1C1 Close
- Page 291 and 292:
16.5.1 Second-Order Band-Pass Filte
- Page 293 and 294:
Active Filter Design Techniques Ban
- Page 295 and 296:
Active Filter Design Techniques Ban
- Page 297 and 298:
Active Filter Design Techniques Ban
- Page 299 and 300:
|A| [dB] 0 -3 |A| [dB] 0 -3 0 1 Ω
- Page 301 and 302:
or to design for a specific Q: R 2
- Page 303 and 304:
|A| — Gain — dB 0 -5 -10 -15 Q
- Page 305 and 306:
Active Filter Design Techniques All
- Page 307 and 308:
The transfer function of the circui
- Page 309 and 310:
16.8 Practical Design Hints Active
- Page 311 and 312:
V IN CIN +V CC +V CC R B R B V MID
- Page 313 and 314:
Active Filter Design Techniques Pra
- Page 315 and 316:
16.8.4 Op Amp Selection Active Filt
- Page 317 and 318:
16.9 Filter Coefficient Tables Acti
- Page 319 and 320:
Table 16-5. Butterworth Coefficient
- Page 321 and 322:
Table 16-7. Tschebyscheff Coefficie
- Page 323 and 324:
Table 16-9. Tschebyscheff Coefficie
- Page 325 and 326:
16.10 References Active Filter Desi
- Page 327 and 328:
17.1 General Considerations Circuit
- Page 329 and 330:
17.2 PCB Mechanical Construction PC
- Page 331 and 332:
IN - IN + GROUND Figure 17-1. Op Am
- Page 333 and 334:
17.3 Grounding Circuit Board Layout
- Page 335 and 336:
Grounding components carefully if t
- Page 337 and 338:
The Frequency Characteristics of Pa
- Page 339 and 340:
17.4.3 Inductors The Frequency Char
- Page 341 and 342:
The Frequency Characteristics of Pa
- Page 343 and 344:
17.4.4.2 Trace-to-Plane Capacitors
- Page 345 and 346:
The Frequency Characteristics of Pa
- Page 347 and 348:
Figure 17-15. Logic Gate Output Str
- Page 349 and 350:
Input and Output Isolation A decoup
- Page 351 and 352:
SINGLE DUAL LONG TRACES Figure 17-1
- Page 353 and 354:
17.7.2 Surface Mount Circuit Board
- Page 355 and 356:
17.8.4 Routing 17.8.5 Bypass 17.9 R
- Page 357 and 358:
18.1 Introduction Designing Low-Vol
- Page 359 and 360:
Designing Low-Voltage Op Amp Circui
- Page 361 and 362:
Table 18-1. Comparison of Op Amp Er
- Page 363 and 364:
Input Common-Mode Range Many low vo
- Page 365 and 366:
Input Common-Mode Range The input s
- Page 367 and 368:
Output Voltage Swing Op amps always
- Page 369 and 370:
Single-Supply Circuit Design every
- Page 371 and 372:
VREF R1 R2 VIN RG _ + VCC Transduce
- Page 373 and 374:
DAC to Actuator Analog Interface is
- Page 375 and 376:
The simultaneous equations are give
- Page 377 and 378:
Table 18-2. Op Amp Parameters PARAM
- Page 379 and 380:
Summary mon-mode range of the op am
- Page 381:
IMPORTANT NOTICE Texas Instruments