运放的各种使用基本电路

TL/H/7057 O p A m p C irc u it C o lle c tio n A N -3 1 National Semiconductor Application Note 31 February 1978 Op Amp Circuit Collection SECTION 1ÐBASIC CIRCUITS Inverting Amplifier VOUT e b R2 R1 VIN RIN e R1 TL/H/7057–1 Non-Inverting Amplifier VOUT e R1 a R2 R1 VIN TL/H/7057–2 Difference Amplifier VOUT e #R1 a R2R3 a R4 J R4R1 V2 b R2R1 V1 For R1 e R3 and R2 e R4 VOUT e R2 R1 (V2 b V1) R1UR2 e R3UR4 TL/H/7057–3 For minimum offset error due to input bias current Inverting Summing Amplifier VOUT e bR4 # V1R1 a V2R2 a V3R3 J R5 e R1UR2UR3UR4 For minimum offset error due to input bias current TL/H/7057–4 Non-Inverting Summing Amplifier *RS e 1k for 1% accuracy TL/H/7057–5 Inverting Amplifier with High Input Impedance *Source Impedance less than 100k gives less than 1% gain error. TL/H/7057–6 Fast Inverting Amplifier with High Input Impedance TL/H/7057–7 Non-Inverting AC Amplifier VOUT e R1 a R2 R1 VIN RIN e R3 R3 e R1UR2 TL/H/7057–8 C1995 National Semiconductor Corporation RRD-B30M115/Printed in U. S. A. Administrator 附注 反相放大电路 Administrator 附注 同相向放大 Administrator 附注 差分放大 Administrator 附注 反相求和电路 Administrator 附注 同相求和电路 Administrator 单位部门，完整姓名，日期 Practical Differentiator fc e 1 2qR2C1 fh e 1 2qR1C1 e 1 2qR2C2 fc m fh m funity gain TL/H/7057–9 Integrator VOUT e b 1 R1C1 #t2t1 VIN dt fc e 1 2qR1C1 R1 e R2 For minimum offset error due to input bias current TL/H/7057–10 Fast Integrator TL/H/7057–11 Current to Voltage Converter VOUT e lIN R1 *For minimum error due to bias current R2 e R1 TL/H/7057–12 Circuit for Operating the LM101 without a Negative Supply TL/H/7057–13 Circuit for Generating the Second Positive Voltage TL/H/7057–14 2 Neutralizing Input Capacitance to Optimize Response Time CN s R1 R2 CS TL/H/7057–15 Integrator with Bias Current Compensation *Adjust for zero integrator drift. Current drift typically 0.1, n/A§C over b55§C to 125§C temperature range. TL/H/7057–16 Voltage Comparator for Driving DTL or TTL Integrated Circuits TL/H/7057–17 Threshold Detector for Photodiodes TL/H/7057–18 Double-Ended Limit Detector VOUT e 4.6V for VLT s VIN s VUT VOUT e 0V for VIN k VLT or VIN l VUT TL/H/7057–19 Multiple Aperture Window Discriminator TL/H/7057–20 3 Offset Voltage Adjustment for Inverting Amplifiers Using Any Type of Feedback Element RANGE e gV #R2R1 J TL/H/7057–21 Offset Voltage Adjustment for Non-Inverting Amplifiers Using Any Type of Feedback Element RANGE e gV #R2R1 J GAIN e 1 a R5 R4 a R2 TL/H/7057–22 Offset Voltage Adjustment for Voltage Followers RANGE e gV #R3R1 J TL/H/7057–23 Offset Voltage Adjustment for Differential Amplifiers R2 e R3 a R4 RANGE e gV #R5R4 J # R1R1 a R3 J GAIN e R2 R1 TL/H/7057–24 Offset Voltage Adjustment for Inverting Amplifiers Using 10 kX Source Resistance or Less R1 e 2000 R3UR4 R4UR3 s 10 kX RANGE e gV #R3UR4R1 J TL/H/7057–25 4 SECTION 2 Ð SIGNAL GENERATION Low Frequency Sine Wave Generator with Quadrature Output TL/H/7057–26 High Frequency Sine Wave Generator with Quadrature Output fo e 10 kHz TL/H/7057–27 5 Free-Running Multivibrator *Chosen for oscillation at 100 Hz TL/H/7057–28 Wein Bridge Sine Wave Oscillator R1 e R2 C1 e C2 *Eldema 1869 f e 1 2qR1 C1 10V, 14 mA Bulb TL/H/7057–29 Function Generator TL/H/7057–30 Pulse Width Modulator TL/H/7057–31 6 Bilateral Current Source IOUT e R3 VIN R1 R5 R3 e R4 a R5 R1 e R2 TL/H/7057–32 Bilateral Current Source IOUT e R3 VIN R1 R5 R3 e R4 a R5 R1 e R2 TL/H/7057–33 Wein Bridge Oscillator with FET Amplitude Stabilization R1 e R2 C1 e C2 f e 1 2qR1 C1 TL/H/7057–34 7 Low Power Supply for Integrated Circuit Testing TL/H/7057–35 *VOUT e 1V/kX TL/H/7057–91 Positive Voltage Reference TL/H/7057–36 Positive Voltage Reference TL/H/7057–37 8 Negative Voltage Reference TL/H/7057–38 Negative Voltage Reference TL/H/7057–39 Precision Current Sink IO e VIN R1 VIN t 0V TL/H/7057–40 Precision Current Source TL/H/7057–41 SECTION 3 Ð SIGNAL PROCESSING Differential-Input Instrumentation Amplifier R4 R2 e R5 R3 AV e R4 R2 TL/H/7057–42 9 Variable Gain, Differential-Input Instrumentation Amplifier *Gain adjust AV e 10b4 R6 TL/H/7057–43 Instrumentation Amplifier with g100 Volt Common Mode Range R3 e R4 R1 e R6 e 10R3 AV e R7 R6 *²Matching determines commonR1 e R5 e 10R2 mode rejection. R2 e R3 TL/H/7057–44 10 Instrumentation Amplifier with g10 Volt Common Mode Range R1 e R4 R2 e R5 R6 e R7 ²*Matching Determines CMRR AV e R6 R2 # 1 a 2R1R3 J TL/H/7057–45 High Input Impedance Instrumentation Amplifier R1 e R4; R2 e R3 AV e 1 a R1 R2 *²Matching determines CMRR ³May be deleted to maximize bandwidth TL/H/7057–46 Bridge Amplifier with Low Noise Compensation *Reduces feed through of power supply noise by 20 dB and makes supply bypassing unnecessary. ²Trim for best common mode rejection ³Gain adjust TL/H/7057–47 11 Bridge Amplifier R1 RS1 e R2 RS2 VOUT e Va # 1 b R1RS1 J TL/H/7057–48 Precision Diode TL/H/7057–49 Precision Clamp *EREF must have a source im- pedance of less than 200X if D2 is used. TL/H/7057–50 Fast Half Wave Rectifier TL/H/7057–51 Precision AC to DC Converter *Feedforward compensation can be used to make a fast full wave rectifier without a filter. TL/H/7057–52 Low Drift Peak Detector TL/H/7057–53 12 Absolute Value Amplifier with Polarity Detector VOUT e b lVINl c R2 R1 R2 R1 e R4 a R3 R3 TL/H/7057–54 Sample and Hold *Polycarbonate-dielectric capacitor TL/H/7057–55 Sample and Hold *Worst case drift less than 2.5 mV/sec ²Teflon, Polyethylene or Polycarbonate Dielectric Capacitor TL/H/7057–56 13 Low Drift Integrator TL/H/7057–57 *Q1 and Q3 should not have internal gate-protection diodes. Worst case drift less than 500 mV/sec over b55§C to a125§C. Fast² Summing Amplifier with Low Input Current TL/H/7057–58 * In addition to increasing speed, the LM101A raises high and low frequency gain, increases output drive capability and eliminates thermal feedback. ² Power Bandwidth: 250 kHz Small Signal Bandwidth: 3.5 MHz Slew Rate: 10V/ms ³ C5 e 6 c 10b8 Rf 14 Fast Integrator with Low Input Current TL/H/7057–59 Adjustable Q Notch Filter fO e 1 2qR1C1 e 60 Hz R1 e R2 e R3 C1 e C2 e C23 TL/H/7057–60 15 Easily Tuned Notch Filter R4 e R5 R1 e R3 R4 e (/2 R1 fO e 1 2qR40C1C2 TL/H/7057–61 Tuned Circuit fO e 1 2q0R1R2C1C2 TL/H/7057–62 Two-Stage Tuned Circuit fO e 1 2q0R1R2C1C2 TL/H/7057–63 16 Negative Capacitance Multiplier C e R2 R3 C1 IL e VOS a R2 IOS R3 RS e R3(R1 a RIN) RIN AVO TL/H/7057–65 Variable Capacitance Multiplier C e # 1 a RbRa JC1 TL/H/7057–66 Simulated Inductor L t R1 R2 C1 RS e R2 RP e R1 TL/H/7057–67 Capacitance Multiplier C e R1 R3 C1 IL e VOS a IOS R1 R3 RS e R3 TL/H/7057–68 17 High Pass Active Filter TL/H/7057–71 *Values are for 100 Hz cutoff. Use metalized polycarbonate capacitors for good temperature stability. Low Pass Active Filter TL/H/7057–72 *Values are for 10 kHz cutoff. Use silvered mica capacitors for good temperature stability. Nonlinear Operational Amplifier with Temperature Compensated Breakpoints TL/H/7057–73 18 Current Monitor VOUT e R1 R3 R2 IL TL/H/7057–74 Saturating Servo Preamplifier with Rate Feedback TL/H/7057–75 Power Booster TL/H/7057–76 19 Analog Multiplier R5 e R1 #Vb10 J V1 t 0 VOUT e V1 V2 10 TL/H/7057–77 Long Interval Timer *Low leakage b0.017 mF per second delay TL/H/7057–78 Fast Zero Crossing Detector TL/H/7057–79 Propagation delay approximately 200 ns ²DTL or TTL fanout of three. Minimize stray capacitance Pin 8 Amplifier for Piezoelectric Transducer Low frequency cutoff e R1 C1 TL/H/7057–80 Temperature Probe *Set for 0V at 0§C ²Adjust for 100 mV/§C TL/H/7057–81 20 Photodiode Amplifier VOUT e R1 ID TL/H/7057–82 Photodiode Amplifier VOUT e 10 V/mA TL/H/7057–83 *Operating photodiode with less than 3 mV across it eliminates leakage currents. High Input Impedance AC Follower TL/H/7057–84 Temperature Compensated Logarithmic Converter ²1 kX (g1%) at 25§C, a3500 ppm/§C. Available from Vishay Ultronix, Grand Junction, CO, Q81 Series. *Determines current for zero crossing on output: 10 mA as shown. TL/H/7057–85 10 nA k IIN k 1 mA Sensitivity is 1V per decade 21 R o o t E x tr a c to r * ² 2 N 3 7 2 8 m a tc h e d p a ir s T L / H / 7 0 5 7 – 8 6 22 Multiplier/Divider TL/H/7057–87 Cube Generator TL/H/7057–88 23 A N -3 1 O p A m p C ir c u it C o ll e c ti o n Fast Log Generator ²1 kX (g1%) at 25§C, a3500 ppm/§C. Available from Vishay Ultronix, Grand Junction, CO, Q81 Series. TL/H/7057–89 Anti-Log Generator ²1 kX (g1%) at 25§C, a3500 ppm/§C. Available from Vishay Ultronix, Grand Junction, CO, Q81 Series. TL/H/7057–90 LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical implant support device or system whose failure to perform can into the body, or (b) support or sustain life, and whose be reasonably expected to cause the failure of the life failure to perform, when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can effectiveness. be reasonably expected to result in a significant injury to the user. National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Hong Kong Ltd. Japan Ltd. 1111 West Bardin Road Fax: (a49) 0-180-530 85 86 13th Floor, Straight Block, Tel: 81-043-299-2309 Arlington, TX 76017 Email: cnjwge@ tevm2.nsc.com Ocean Centre, 5 Canton Rd. Fax: 81-043-299-2408 Tel: 1(800) 272-9959 Deutsch Tel: (a49) 0-180-530 85 85 Tsimshatsui, Kowloon Fax: 1(800) 737-7018 English Tel: (a49) 0-180-532 78 32 Hong Kong Fran3ais Tel: (a49) 0-180-532 93 58 Tel: (852) 2737-1600 Italiano Tel: (a49) 0-180-534 16 80 Fax: (852) 2736-9960 National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. 未标 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题