CIRCUIT060062

Inverting op amp with inverting positive reference voltage circuit

CIRCUIT060062

Overview

This design uses an inverting amplifier with an inverting positive reference to translate an input signal of –5 V to –1 V to an output voltage of 3.3 V to 0.05 V. This circuit can be used to translate a negative sensor output voltage to a usable ADC input voltage range.
Features
  • Input: Vi = -5 V to -1 V
  • Output: Vo = 0.05 V to 3.3 V
  • Supply:
    • Vcc = 5 V
    • Vee = 0 V
    • Vref = 5 V
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Technical documentation

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Type Title Date
* Application note Designing Gain and Offset in Thirty Seconds Feb 1, 2002
Circuit design Inverting op amp with inverting positive reference voltage circuit (Rev. A) Feb 4, 2019

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