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Unformatted text preview: TL/H/7057 OpAmpCircuitCollectionAN31 National Semiconductor Application Note 31 February 1978 Op Amp Circuit Collection SECTION 1—BASIC CIRCUITS Inverting Amplifier V OUT e b R2 R1 V IN R IN e R1 TL/H/7057–1 NonInverting Amplifier V OUT e R1 a R2 R1 V IN TL/H/7057–2 Difference Amplifier V OUT e # R1 a R2 R3 a R4 J R4 R1 V 2 b R2 R1 V 1 For R1 e R3 and R2 e R4 V OUT e R2 R1 (V 2 b V 1 ) R1 U R2 e R3 U R4 TL/H/7057–3 For minimum offset error due to input bias current Inverting Summing Amplifier V OUT e b R4 # V 1 R1 a V 2 R2 a V 3 R3 J R5 e R1 U R2 U R3 U R4 For minimum offset error due to input bias current TL/H/7057–4 NonInverting Summing Amplifier * R S 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 NonInverting AC Amplifier V OUT e R1 a R2 R1 V IN R IN e R3 R3 e R1 U R2 TL/H/7057–8 C 1995 National Semiconductor Corporation RRDB30M115/Printed in U. S. A. Practical Differentiator f c e 1 2 q R2C1 f h e 1 2 q R1C1 e 1 2 q R2C2 f c m f h m f unity gain TL/H/7057–9 Integrator V OUT e b 1 R1C1 # t2 t1 V IN dt f c e 1 2 q R1C1 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 V OUT e l IN 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 C N s R1 R2 C S TL/H/7057–15 Integrator with Bias Current Compensation * Adjust for zero integrator drift. Current drift typically 0.1, n/A § C over b 55 § 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 DoubleEnded Limit Detector V OUT e 4.6V for V LT s V IN s V UT V OUT e 0V for V IN k V LT or V IN l V UT 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 g V # R2 R1 J TL/H/7057–21 Offset Voltage Adjustment for NonInverting Amplifiers Using Any Type of Feedback Element RANGE e g V # R2 R1 J GAIN e 1 a R5 R4 a R2 TL/H/7057–22 Offset Voltage Adjustment for Voltage Followers...
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This note was uploaded on 09/14/2011 for the course MAE 3113 taught by Professor Staff during the Fall '11 term at Oklahoma State.
 Fall '11
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