Inverting op amp with non-inverting positive reference voltage circuit




This design uses an inverting amplifier with a non-inverting positive reference voltage to translate an input signal of –1 V to 2 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 negative offset to a usable ADC input voltage range.
  • Single 5-V supply
  • Input: -1 V to 2 V
  • Output: 20 mV to 4.95 V

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Simulation for Inverting Op Amp With Non-Inverting Positive Reference SBOC514.ZIP (205KB)

Supported products & hardware

Supported products & hardware

General-purpose op amps
TLV9001 Single, 5.5-V, 1-MHz, RRIO operational amplifier for cost-optimized applications
Precision op amps (Vos<1mV)
OPA376 Precision (0.025mV), low noise (7.5nV/rtHz), low quiescent current (760uA) op amp

Technical documentation

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Type Title Date
* Circuit design Inverting op amp with non-inverting positive reference voltage circuit (Rev. A) Feb. 04, 2019
E-book Analog Engineer’s Circuit Cookbook: Amplifiers (Rev. A) Feb. 18, 2019
Application note Designing Gain and Offset in Thirty Seconds Feb. 01, 2002

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