Post History
In the image below is an opamp buffer with +/- 15v rails connected to a 3.3v ADC. The input to the opamp is limited to 0-3v. There is no protection circuitry for the ADC. Is the risk of the opam...
#1: Initial revision
Driving ADC with opamp with large rails
In the image below is an opamp buffer with +/- 15v rails connected to a 3.3v ADC. The input to the opamp is limited to 0-3v. There is no protection circuitry for the ADC. ![Opamp buffer high rails to ADC](https://electrical.codidact.com/uploads/1SZrapasr24sss2CsTqLXacR) Is the risk of the opamp overdriving the ADC too great for no input protection to be used?