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LMH32401: LM32401

Part Number: LMH32401

Hello,

I am using the LM32401 see schematic attached:

LMH34204 + LMH6552 driving the RFSOC.pdf

1. Power to ADC is coming first -so there is 0.7V the common mode voltage)

2. Power of +5V, -5V and 3.3V come later.

The problem that I encounter is that VOC that should be 1.1V is becomes around zero and the output is oscillating. (The deferential voltage on R1 is 1.2V.)

Any comment ?

Sincerely,

Giora