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THS4551: Float detection for the analog inputs

Part Number: THS4551

Hello everyone,

I want to have a float detection (wire cut detector) feature for my analog inputs which are connected to a fully differential amplifier. The problem is when the inputs are float it is not possible to detect the float input/s since internally the inputs of the FDA are connected to VOCM. So when the inputs are floating the VOCM appears on the inputs.

Does anyone have any ideas on how to implement a solution to have differential inputs float detection?

regards,

Mehran