X9400 potentiometer equivalent, quad digitally potentiometer.
* Four potentiometers per package
* 64 resistor taps
* SPI serial interface for write, read, and transfer
operations of the potentiometer
* Wiper res.
including control, parameter adjustments, and signal processing.
BLOCK DIAGRAM
VCC VSS V+ V-
HOLD
CS SCK
SO SI A0 A1
W.
The X9400 integrates four digitally controlled potentiometers (XDCPs) on a monolithic CMOS integrated circuit.
The digitally controlled potentiometer is implemented using 63 resistive elements in a series array. Between each element are tap points co.
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