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[SOLVED] AD7190 registers offset and full-scale

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vishy71

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Hi.

please,can you say what is OFFSET and Full-Scale register in AD7190?
thanks.
 

OFFSET is the unavoidable difference between the inputs of any differential amplifier, when both inputs are supplied by the same voltage, i.e. inputs short-circuited. In case of a single input amplifier this means short-circuit between the single input and its (fixed) reference voltage level, often GND.

Full-Scale register is a register, where the calibration cycle - initiated after each change of a channel's gain - automatically stores the input's full-scale value for this gain. It is initialized for each chip and for each channel for gain=1 by the factory. Can be read and overwritten by the user.

Both offset and full-scale value can be calibrated and stored automatically.
 
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    vishy71

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thank you very much :)
 

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