See attached article for a good discussion of auto-zero vs chopper topology. If you can give us some more customer application details we can recommend best part and circuit for customer. Auto-zero or Chopper correct offset over temperature per the datasheet…
spru714 datasheet.pdf TI RefDesign guideline.pdf DC-PLC Refernce Design.pdf Hi,
I am working on PLC, give me the solution for following requirements for PLC:
Carrier modulation: BPSK
Carrier Frequency:132KHz
Power Line Voltage:220VDC
Data Rate…
The OPA145 also looks like a good choice, this file has not been recently updated so the OPA196 is not in yet, and the pricing is out of date.
OPA111A options.xlsx
to User473,
I searched all the op amp portfolio with the parametric search (precision, general purpose, and high-speed). There are 6 options with temperatures of 150C and above (see attached). The best match is the OPA211-HT (210C max). This is the…