Activity for z3333
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Comment | Post #279900 |
Sure, it is the ADC on the STM32F407VET6 (more) |
— | almost 4 years ago |
| Comment | Post #279962 |
Okay, that makes sense. And if one needed low output impedance for when one has a small sampling time, would that be the time to use an amp with supply rail matching the ADC as the safety mechanism? (more) |
— | almost 4 years ago |
| Comment | Post #279900 |
I guess if they are the only other rails available in the system and one doesn't want to get a rail to rail opamp. Or maybe if I had a left over amp that I wanted to use. (more) |
— | almost 4 years ago |
| Edit | Post #279900 | Initial revision | — | almost 4 years ago |
| Question | — |
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 Is the risk of the opamp overdriving the ADC too great for no input protection to be used? ... (more) |
— | almost 4 years ago |