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X9258

Renesas
Part Number X9258
Manufacturer Renesas
Description Quad Digitally Potentiometers
Published Jun 3, 2020
Detailed Description DATASHEET X9258 Low Noise/Low Power/2-Wire Bus/256 Taps Quad Digital Controlled Potentiometers (XDCP™) FN8168 Rev 6.00...
Datasheet PDF File X9258 PDF File

X9258
X9258

Overview
DATASHEET X9258 Low Noise/Low Power/2-Wire Bus/256 Taps Quad Digital Controlled Potentiometers (XDCP™) FN8168 Rev 6.
00 December 15, 2011 The X9258 integrates 4 digitally controlled potentiometers (XDCP™) on a monolithic CMOS integrated circuit.
The digitally controlled potentiometer is implemented using 255 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.
Each potentiometer has associated with it a volatile Wiper Counter Register (WCR) and 4 non-volatile Data Registers (DR0:DR3) 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 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 applications inclu...


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