X9259TS24-2.7T1 datasheet, PDF

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X9259TS24-2.7T1: DescriptionIC xdcp quad 256tap 100k 24-soic; Categorysemiconductor Analog mixed-signal IC; File Size308KB，21 Pages; ManufacturerIntersil ( Renesas ); Websitehttp://www.intersil.com/cda/home/

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X9259TS24-2.7T1 Overview

IC xdcp quad 256tap 100k 24-soic

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X9259

Single Supply/Low Power/256-Tap/2-Wire bus

Data Sheet

April 13, 2007

FN8169.5

Quad Digitally-Controlled (XDCP™)

Potentiometers

The X9259 integrates four digitally controlled potentiometers

(XDCP) on a monolithic CMOS integrated circuit.

The digitally controlled potentiometers are implemented with

a combination of resistor elements and CMOS switches. The

position of the wipers are controlled by the user through the

2-wire bus interface. Each potentiometer has associated

with it a volatile Wiper Counter Register (WCR) and four

non-volatile Data Registers that can be directly written to and

read by the user. The content of the WCR controls the

position of the wiper. At power-up, the device recalls the

content of the default Data Registers of each DCP (DR00,

DR10, DR20, and DR30) to the corresponding WCR.

The XDCP can be used as a three-terminal potentiometer or

as a two terminal variable resistor in a wide variety of

applications including control, parameter adjustments, and

signal processing.

Features

• Four Separate Potentiometers in One Package

• 256 Resistor Taps–0.4% Resolution

• 2-Wire Serial Interface for Write, Read, and

Transfer Operations of the Potentiometer

• Wiper Resistance: 100Ω typical @ V

= 5V

• 4 Non-volatile Data Registers for Each Potentiometer

• Non-volatile Storage of Multiple Wiper Positions

• Standby Current <5µA Max

• V

: 2.7V to 5.5V Operation

• 50kΩ, 100kΩ versions of Total Resistance

• Endurance: 100,000 Data Changes per Bit per Register

• 100 year Data Retention

• Single Supply Version of X9258

• 24 Ld SOIC, 24 Ld TSSOP

• Low Power CMOS

• Pb-Free Plus Anneal Available (RoHS Compliant)

Functional Diagram

SDA

SCL

2-Wire

Interface

POWER UP,

INTERFACE

CONTROL

AND

STATUS

WCR0

DR00

DR01

DR02

DR03

DCP0

WCR1

DR10

DR11

DR12

DR13

DCP1

WCR2

DR20

DR21

DR22

DR23

DCP2

WCR3

DR30

DR31

DR32

DR33

DCP3

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774

Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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Description	IC xdcp quad 256tap 100k 24-soic	IC xdcp quad 256tap 50k 24-tssop	IC xdcp quad 256tap 50k 24-tssop	IC xdcp quad 256tap 50k 24-tssop	IC xdcp quad 256tap 100k 24-soic	IC xdcp quad 256tap 100k 24-soic	IC xdcp quad 256tap 100k 24-soic	IC xdcp quad 256tap 100k 24-soic	IC xdcp quad 256tap 50k 24-soic

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