CIRCUIT060048

AC coupled inverting amplifier circuit

CIRCUIT060048

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Overview

This circuit amplifies an AC signal and shifts the output signal so that it is centered at half the power supply voltage. Note that the input signal has zero DC offset so it swings above and below ground. The key benefit of this circuit is that it accepts signals which swing below ground even though the amplifier does not have a negative power supply.
Features
  • Input: Vi = -240 mV tto 240 mV
  • Output: Vo = 0.1 V to 4.9 V
  • Supply:
    • Vcc = 5 V
    • Vee = 0 V
    • Vref = 5 V

Get started

  1. Read the circuit design
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Downloads

Design tool

Simulation for AC Coupled (HPF) Inverting Amplifier SBOC504.ZIP (359KB)

Supported products & hardware

Supported products & hardware

Precision op amps (Vos<1mV)
LMV771 Single, Low Offset, Low Noise, RRO Operational Amplifiers

Technical documentation

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Type Title Date
* Circuit design AC coupled (HPF) inverting amplifier circuit (Rev. A) Feb. 01, 2019
Analog Design Journal A new filter topology for analog high-pass filters Aug. 06, 2008

Related design resources

Design tools & simulation

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PSPICE-FOR-TI PSpice® for TI design and simulation tool TINA-TI SPICE-based analog simulation program
CALCULATION TOOL
ANALOG-ENGINEER-CALC Analog engineer's calculator

Reference designs

REFERENCE DESIGN
TIPD185 AC Coupled, Single-Supply, Inverting and Non-inverting Amplifier Reference Design

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