CIRCUIT060071

Inverting attenuator circuit

CIRCUIT060071

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Overview

This circuit inverts the input signal, Vi, and applies a signal gain of –40 dB. The common-mode voltage of an inverting amplifier is equal to the voltage applied to the non-inverting input, which is ground in this design.
Features
  • Input: Vi = -200 V to 200 V
  • Output: Vo = -2 V to 2 V
  • BW: f_p = 1 MHz
  • Gain; G = -40 dB
  • Supply:
    • Vcc = 2.5 V
    • Vee = -2.5 V

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Design tool

Simulation for Inverting Attenuator Circuit SBOC522.ZIP (22KB)

Supported products & hardware

Supported products & hardware

General-purpose op amps
LMV861 Single, 5.5-V, 31-MHz, high output current (150-mA), low noise (8-nV/√Hz) operational amplifier TLV9002 Dual, 5.5-V, 1-MHz, RRIO operational amplifier for cost-optimized applications
Precision op amps (Vos<1mV)
OPA377 Low-cost, low-noise, 5.5-MHz CMOS operational amplifier

Technical documentation

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Type Title Date
* Circuit design Inverting attenuator circuit Mar. 23, 2018
Application note AN-31 Amplifier Circuit Collection (Rev. D) Oct. 21, 2020
Application note Handbook of Operational Amplifier Applications (Rev. B) Sep. 19, 2016

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