Datasheet > X9268

X9268

更新时间： 2024-01-19 18:58:59

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
24页	367K
描述
Dual Supply/Low Power/256-Tap/2-Wire Bus

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数据手册

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X9268 数据手册

X9268

Dual Supply/Low Power/256-Tap/2-Wire Bus

Data Sheet

June 21, 2005

FN8172.1

DESCRIPTION

Dual Digitally-Controlled (XDCP™)

Potentiometers

The X9268 integrates

potentiometer (XDCP) on

integrated circuit.

digitally controlled

monolithic CMOS

FEATURES

• Dual–Two separate potentiometers

• 256 resistor taps/pot–0.4% resolution

• 2-Wire Serial Interface for write, read, and

transfer operations of the potentiometer

• Wiper Resistance, 100Ω typical @ V+ = 5V,

V- = -5V

• 16 Nonvolatile Data Registers for Each

Potentiometer

• Nonvolatile Storage of Multiple Wiper Positions

• Power-on Recall. Loads Saved Wiper Position

on Power-up.

The digital 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 a four nonvolatile 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. Powerup

recalls the contents of the default Data Register (DR0)

to the WCR.

• Standby Current < 5µA Max

• V : ±2.7V to ±5.5V Operation

• 50kΩ, 100kΩ versions of End to End Pot

Resistance

The XDCP can be used as

a three-terminal

• Endurance: 100,000 Data Changes per Bit per

• 100 yr. Data Retention

potentiometer or as a two terminal variable resistor in

a wide variety of applications including control,

parameter adjustments, and signal processing.

• 24-Lead SOIC, 24-Lead TSSOP

• Low Power CMOS

• Power Supply V

= ±2.7V to ±5.5V

V+ = 2.7V to 5.5V

V- = -2.7V to -5.5V

FUNCTIONAL DIAGRAM

Write

Read

Transfer

Inc/Dec

Address

Data

Status

Power-on Recall

Bus

2-Wire

Bus

Interface

Wiper Counter

Registers (WCR)

Interface

and Control

Data Registers

(DR0–DR3)

Control

V-

50kΩ

or 100kΩ versions

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.

12 3 4 5 6 7...24

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与X9268相关器件

型号	品牌	获取价格	描述	数据表
X9268_06	INTERSIL	获取价格	Dual Digitally-Controlled Potentiometers
X9268TA24I	RENESAS	获取价格	Digital Potentiometer, CMOS, PBGA24
X9268TB24	XICOR	获取价格	DUAL 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PBGA24, X
X9268TB24I	XICOR	获取价格	Digital Potentiometer, 2 Func, 100000ohm, 2-wire Serial Control Interface, 256 Positions,
X9268TS24	XICOR	获取价格	Digital Potentiometer, 2 Func, 100000ohm, 2-wire Serial Control Interface, 256 Positions,
X9268TS24	INTERSIL	获取价格	Dual Supply/Low Power/256-Tap/2-Wire Bus
X9268TS24-2.7	RENESAS	获取价格	暂无描述
X9268TS24-2.7	INTERSIL	获取价格	Dual Supply/Low Power/256-Tap/2-Wire Bus
X9268TS24-2.7T1	XICOR	获取价格	Digital Potentiometer, 2 Func, 100000ohm, 2-wire Serial Control Interface, 256 Positions,
X9268TS24I	INTERSIL	获取价格	Dual Supply/Low Power/256-Tap/2-Wire Bus

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