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CIRCUIT060063

Non-inverting op amp with inverting positive reference voltage circuit

CIRCUIT060063

Overview

This design uses a non-inverting amplifier with an inverting positive reference to translate an input signal of 2 V to 5 V to an output voltage of 0.05 V to 4.95 V. This circuit can be used to translate a sensor output voltage with a positive slope and offset to a usable ADC input voltage range.
Features
  • Input: Vi = 2 V to 5 V
  • Output:Vo = 0.05 V to 4.95 V
  • Supply:
      >
    • Vcc = 5 V
    • Vee = 0 V
    • Vref = 2.5 V
General-purpose op amps
TSV912 — Dual, 5.5-V, 8-MHz, RRIO operational amplifier
Precision op amps (Vos<1mV)
OPA191 — Low-Power, Precision, 36-V, e-trim CMOS Amplifier
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Type Title Date
* Circuit design Non-inverting op amp with inverting positive reference voltage circuit (Rev. A) 04 Feb 2019

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