X9420 potentiometer equivalent, low noise/low power/spi bus single digitally controlled xdcp potentiometer.
* Solid-State Potentiometer
* SPI Serial Interface
* Register Oriented Format
—Direct read/write/transfer wiper positions —Store as many as four positions per.
including control, parameter adjustments, and signal processing.
BLOCK DIAGRAM
HOLD CS
SCK
S0
SI A0
Interface and
Con.
The X9420 integrates a single digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.
The digitally controlled potentiometer is implemented using 63 resistive elements in a series array. Between each element are tap p.
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