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X9429

Part Number	X9429
Manufacturer	Renesas
Description	Single Digitally Potentiometer
Published	Jun 3, 2020
Detailed Description	DATASHEET X9429 Low Noise/Low Power/2-Wire Bus Single Digitally Controlled Potentiometer (XDCP™) FN8248 Rev 4.00 Octob...
Datasheet	X9429 PDF File

Overview

DATASHEET X9429 Low Noise/Low Power/2-Wire Bus Single Digitally Controlled Potentiometer (XDCP™) FN8248 Rev 4.
00 October 16, 2015 The X9429 integrates a single digitally controlled potentiometer (XDCP) on a monolithic CMOS integrated circuit.
The digital controlled potentiometer is implemented using 63 resistive elements in a series array.
Between each element are tap points connected to the wiper terminal through switches.
The position of the wiper on the array is controlled by the user through the 2-wire bus interface.
The potentiometer has associated with it a volatile Wiper Counter Register (WCR) and a four non-volatile Data Registers that can be directly written to and read by the user.
The contents of the WCR controls the position of the wiper on the resistor array though the switches.
Power-up recalls the contents of the default data register (DR0) to the WCR.
The XDCP can be used as a three-terminal potentiometer or as a two terminal variable resistor in a wide variety of ap...

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