Other Parts Discussed in Thread: OPA335,
Hello,
The OPA388 is a zero drift type op amp, and I presume that it uses a chopping frequency. However, the data sheet does not mention the chopping frequency. The only hint is the open loop gain and phase plot where there is a phase "blip" at 500kHz. The noise PSD plot only goes up to 100kHz, and therefore does not show the chopping frequency. Other op amps, such as the OPA335 clearly show the chopping frequency in the noise PSD plot. I am using the OPA388 with a closed loop bandwidth in the 1MHz area and am therefore interested in analyzing the noise performance. Is there PSD data available above 100kHz?
Regards,
Scott
