Datasheet > X9269

X9269

更新时间： 2024-11-30 22:49:19

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
24页	366K
描述
Single Supply/Low Power/256-Tap/2-Wire Bus

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X9269 数据手册

X9269

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

Data Sheet

March 28, 2005

FN8173.1

DESCRIPTION

Dual Digitally-Controlled (XDCP™)

Potentiometers

The X9269 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 single

supply device

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.

• Wiper Resistance, 100Ω typical V

= 5V

• 4 Nonvolatile Data Registers for Each

Potentiometer

• Nonvolatile Storage of Multiple Wiper Positions

• Power-on Recall. Loads Saved Wiper Position on

Power-up.

• Standby Current < 5µA Max

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

Resistance

• 100 yr. Data Retention

The XDCP can be used as a three-terminal

• Endurance: 100,000 Data Changes per Bit per

• 24-Lead SOIC, 24-Lead TSSOP

• Low Power CMOS

potentiometer or as a two terminal variable resistor in

a wide variety of applications including control,

parameter adjustments, and signal processing.

• Power Supply V

= 2.7V to 5.5V

FUNCTIONAL DIAGRAM

Write

Read

Address

Data

Status

Transfer

Inc/Dec

Power-on Recall

Bus

2-Wire

Bus

Interface

Wiper Counter

Registers (WCR)

Interface

and Control

Data Registers

(DR0–DR3)

Control

50kΩ

or 100kΩ versions

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

1-888-INTERSIL or 1-888-352-6832 | 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

中文翻译

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与X9269相关器件

型号	品牌	获取价格	描述	数据表
X9269_07	INTERSIL	获取价格	Dual Digitally-Controlled Potentiometers
X9269TB16	XICOR	获取价格	Dual Digitally-Controlled Potentiometers
X9269TB16-2.7	XICOR	获取价格	Dual Digitally-Controlled Potentiometers
X9269TB16I	XICOR	获取价格	Dual Digitally-Controlled Potentiometers
X9269TB16I-2.7	XICOR	获取价格	Dual Digitally-Controlled Potentiometers
X9269TB24-2.7	RENESAS	获取价格	DUAL 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PBGA24, X
X9269TB24I	RENESAS	获取价格	Digital Potentiometer, 2 Func, 100000ohm, 2-wire Serial Control Interface, 256 Positions,
X9269TB24I-2.7	RENESAS	获取价格	DUAL 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PBGA24, X
X9269TS24	XICOR	获取价格	Dual Digitally-Controlled Potentiometers
X9269TS24	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/2-Wire Bus

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