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X9258 Datasheet - Renesas

X9258-Renesas.pdf

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Datasheet Details

Part number:

X9258

Manufacturer:

Renesas ↗

File Size:

795.94 KB

Description:

Quad digitally potentiometers.

X9258, Quad Digitally Potentiometers

Host Interface Pins SERIAL CLOCK (SCL) The SCL input is used to clock data into and out of the X9258.

SERIAL DATA (SDA) SDA is a bidirectional pin used to transfer data into and out of the device.

It is an open drain output and may be wire-ORed with any number of open drain or open collector output

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

X9258 Features

* Four potentiometers in one package

* 256 resistor taps/potentiometer 0.4% resolution

* 2-wire serial interface

* Wiper resistance, 40Ωtypical @ V+ = 5V, V- = -5V

* Four nonvolatile data registers for each potentiometer

* Nonvolatile storage of wiper

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