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CIRCUIT060013

Inverting amplifier with T-network feedback circuit

CIRCUIT060013

Overview

This design inverts the input signal, VIN, and applies a signal gain of 1000 V/V or 60 dB. The inverting amplifier with T-feedback network can be used to obtain a high gain without a small value for R4 or very large values for the feedback resistors.
Features
  • Dual +/- 5-V supply
  • Input: +/- 2.5 mV
  • Output: +/- 2.5 V
  • Bandwidth: 5 kHz
  • Gain: 1000 V/V
Precision op amps (Vos<1mV)
OPA192 — High-Voltage, Rail-to-Rail Input/Output, 5µV, 0.2µV/˚C, Precision Operational Amplifier
General-purpose op amps
LM2902B — Quad 36-V 1.2-MHz operational amplifier LM2902B-Q1 — Automotive, quad 36-V 1.2-MHz operational amplifier LM2904BA-Q1 — Automotive, dual, 36-V, 1.2-MHz, 2-mV offset voltage operational amplifier LM324B — Quad, 36-V, 1.2-MHz 3-mV offset voltage operational amplifier OPA375 — OPAx375, 500uV, 10-MHz, Low Broadband Noise, RRO, Operational Amplifier OPA4991-EP — Enhanced-product, quad, 40-V 4.5-MHz rail-to-rail input and output operational amplifier TLV9062 — Dual, 5.5-V, 10-MHz operational amplifier
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Technical documentation

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Type Title Date
* Circuit design Inverting Amplifier With T-Network Feedback Circuit (Rev. A) PDF | HTML 15 Feb 2022
E-book Analog Engineer’s Circuit Cookbook: Amplifiers (Rev. C) 18 Dec 2023
E-book Analog Engineer’s Circuit Cookbook: Amplifiers (Rev. B) 05 Oct 2022
Circuit design Transimpedance amplifier with T-network circuit PDF | HTML 12 Mar 2021

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REFERENCE DESIGN
TIPD176 — 1 MHz, Single-Supply, Photodiode Amplifier Reference Design

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