Op Amp Applications Handbook Walt Jung, Editor

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CHAPTER 1 Op Amp Basics ■ Section 1-1: Introduction ■ Section 1-2: Op Amp Topologies ■ Section 1-3: Op Amp Structures ■ Section 1-4: Op Amp Specifi cations ■ Section 1-5: Precision Op Amps ■ Section 1-6: High Speed Op Amps
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Page 2 and 3: Op Amp Applications Handbook
Page 4 and 5: Op Amp Applications Handbook Walt J
Page 6 and 7: v Contents Foreword ...............
Page 8 and 9: vii Foreword The signal-processing
Page 10 and 11: ix Preface Op Amp Applications Hand
Page 12 and 13: xi Preface and diversity of use. Th
Page 14 and 15: Signal Amplifi ers; Audio Amplifi e
Page 16 and 17: 1928 Harold S. Black applies for pa
Page 20 and 21: CHAPTER 1 Op Amp Basics James Bryan
Page 22 and 23: As a precursor to more detailed sec
Page 24 and 25: INPUT 7 Op Amp Basics Note that wit
Page 26 and 27: Thus an ideal noninverting op amp s
Page 28 and 29: G2 V 2 V 1 R G ' OP AMP G = VOUT /V
Page 30 and 31: 13 Op Amp Basics It is important to
Page 32 and 33: dB A VOL β G CL Figure 1-7: Op amp
Page 34 and 35: Input Dynamic Range 17 Op Amp Basic
Page 36 and 37: 19 Op Amp Basics dual- supply devic
Page 38 and 39: References: Introduction 21 Op Amp
Page 40 and 41: The previous section examined op am
Page 42 and 43: 25 Op Amp Basics The CFB topology i
Page 44 and 45: GAIN (R1) 1.04Ω - 37.4Ω FEEDBAC
Page 46 and 47: References: Op Amp Topologies 29 Op
Page 48 and 49: This section describes op amps in t
Page 50 and 51: Single Supply Offers: − Lower Pow
Page 52 and 53: +VS 7 (−) 2 INPUTS 3 (+) −VS 4
Page 54 and 55: 37 Op Amp Basics has a maximum inpu
Page 56 and 57: Offset as Low as 50µV Offset TC ~
Page 58 and 59: +VS (+) INPUTS (−) −V S J1 I1 V
Page 60 and 61: (A) (B) (C) +VS +VS NPN NPN -V S V
Page 62 and 63: Figure 1-33: AD8531/AD8532/AD8534 C
Page 64 and 65: 47 Op Amp Basics a device, even wit
Page 66 and 67: BIPOLAR (NPN-BASED): This is Where
Page 68 and 69:
Most op amp specifi cations are lar
Page 70 and 71:
Figure 1-39: Alternate input offset
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Figure 1-42: Noninverting op amp ex
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57 Op Amp Basics Extremely low inpu
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Input Impedance Figure 1-48: Input
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61 Op Amp Basics Some fast op amps
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±10V RAMP 10kΩ 10kΩ V OS -VREF
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65 Op Amp Basics This sine wave sig
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V 1 R1 − + Figure 1-56: Measuring
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GAIN dB OPEN LOOP GAIN, A(s) IF GAI
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GAIN dB G1 G2 Figure 1-62: Frequenc
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Figure 1-65: Johnson noise of resis
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100 10 795 743 NOISE n/√Hz or µV
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20nV/div. (RTI) + 100 90 .... ....
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Nominal Peak-to-Peak 2 × rms 3 ×
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B A V N,R1 ∼ 4kTR1 V N,R3 ∼ 4kT
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V s = Signal Amplitude (RMS Volts)
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85 Op Amp Basics Note inverting mod
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Power Supplies and Decoupling 87 Op
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This section examines in more detai
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91 Op Amp Basics Note that the offs
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93 Op Amp Basics the nulling amplif
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Noise Considerations for Chopper-St
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Introduction High speed analog sign
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99 Op Amp Basics voltage, v, into a
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g 1 f = = = 153MHz u m 2 CP 2 520 1
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v in R1 + v − − gm + I T i = v
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+V S − −VS Q1 Q3 Q5 Q2 Q4 Q6 Fi
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107 Op Amp Basics Note also that th
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Q1 + − Q2 I1 I2 Figure 1-110: Sim
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R1 C2 A − R2 B |A(s)| VFB OP AMP
Page 130 and 131:
High Speed Current-to-Voltage Conve
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4mA C1 20pF 500Ω − VFB 1 fp = =
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Voltage Feedback Op Amps: − Volta
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CHAPTER 2 Specialty Amplifi ers ■
Page 138 and 139:
CHAPTER 2 Specialty Amplifi ers Wal
Page 140 and 141:
Probably the most popular among all
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125 Specialty Amplifi ers buffers i
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127 Specialty Amplifi ers balanced
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129 Specialty Amplifi ers When dual
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V1 (-) 100kΩ V REF + 25kΩ 25k
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-IN ~ 400Ω V CM + VSIG ~ 2 _ + VS
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135 Specialty Amplifi ers The gener
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In Amp DC Error Sources 137 Special
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Figure 2-20: AD620 In amp common-mo
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141 Specialty Amplifi ers summed in
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AD524C AD620B AD621B 1 AD622 AD624C
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R+∆R R-∆R V B R-∆R R G R+∆R
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147 Specialty Amplifi ers A factor
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149 Specialty Amplifi ers Classic C
Page 168 and 169:
Most data acquisition systems with
Page 170 and 171:
153 Specialty Amplifi ers To unders
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Low Noise PGA 155 Specialty Amplifi
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157 Specialty Amplifi ers The OP113
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159 Specialty Amplifi ers Since tra
Page 178 and 179:
Analog Isolation Techniques There a
Page 180 and 181:
163 Specialty Amplifi ers An isolat
Page 182 and 183:
Figure 2-51: AD215 120kHz low disto
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167 Specialty Amplifi ers This prod
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References: Isolation Amplifi ers 1
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CHAPTER 3 Using Op Amps with Data C
Page 190 and 191:
CHAPTER 3 Using Op Amps with Data C
Page 192 and 193:
175 Using Op Amps with Data Convert
Page 194 and 195:
References: Introduction 177 Using
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ADC and DAC Static Transfer Functio
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ADC Input-Referred Noise 183 Using
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75Ω 185 Using Op Amps with Data C
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Page 206 and 207:
Page 208 and 209:
Page 210 and 211:
Introduction Op amps are often used
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Input Common-Mode Voltage Range Out
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~ R EXT V SOURCE R INT 7kΩ SWITCH
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~ R S V S REFOUT/ REFIN V INX R1 2k
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Driving CMOS ADCs with Switched Cap
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V IN + - Figure 3-35: Optimizing si
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INPUT ±1V 1kΩ + 10µF Drivers fo
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Op Amp Applications Handbook Walt Jung, Editor

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