Other Parts Discussed in Thread: TLV9161, TLV9051, OPA323
Tool/software:
Hello,
I have a problem with the op amp TL9151SIDBVR. It operates in a differential to single ended circuit. The problem is that for frequencies above 50kHz the sinusoidal signal starts to look like a triangle. This looks like a slew rate problem, but how can this be when its slew rate is 20V/us. What could be the reason for this?
Schematic
Layout of U8 diff to single ended stage
Below Measurements
50 kHz
75kHz
100Khz
Simulation Tina for 100Khz works fine