Datasheet > X9269UB24

X9269UB24

更新时间： 2024-11-03 06:32:19

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
24页	146K
描述
Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, CMOS, PBGA24, XBGA-24

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X9269UB24 数据手册

APPLICATION NOTES AND DEVELOPMENT SYSTEM

A V A I L A B L E

AN99 • AN115 • AN124 •AN133 • AN134 • AN135

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

X9269

Dual Digitally-Controlled (XDCP^TM) Potentiometers

FEATURES

DESCRIPTION

• 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.

• Standby Current < 5µA Max

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

Resistance

• Endurance: 100,000 Data Changes per Bit per

• 100 yr. Data Retention

• 24-Lead SOIC, 24-Lead XBGA

• Low Power CMOS

The X9269 integrates

potentiometer (XDCP) on

integrated circuit.

digitally controlled

monolithic CMOS

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.

The XDCP can be used as

a three-terminal

• Power Supply V

= 2.7V to 5.5V

potentiometer or as a two terminal variable resistor in

a wide variety of applications including control,

parameter adjustments, and signal processing.

FUNCTIONAL DIAGRAM

Write

Read

Address

Data

Status

Transfer

Inc/Dec

Power On Recall

Bus

2-Wire

Wiper Counter

Registers (WCR)

Bus

Interface

and Control

Interface

Data Registers

(DR0–DR3)

Control

50KΩ or 100KΩ versions

Characteristics subject to change without notice. 1 of 24

REV 1.1.3 4/3/01

www.xicor.com

12 3 4 5 6 7...24

中文翻译

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与X9269UB24相关器件

型号	品牌	获取价格	描述	数据表
X9269UB24-2.7	RENESAS	获取价格	DUAL 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PBGA24, XB
X9269UB24I	RENESAS	获取价格	Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, C
X9269US24	XICOR	获取价格	Dual Digitally-Controlled Potentiometers
X9269US24	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/2-Wire Bus
X9269US24-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/2-Wire Bus
X9269US24-2.7	XICOR	获取价格	Dual Digitally-Controlled Potentiometers
X9269US24-2.7T1	RENESAS	获取价格	DUAL 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24, PL
X9269US24I	XICOR	获取价格	Dual Digitally-Controlled Potentiometers
X9269US24I	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/2-Wire Bus
X9269US24I-2.7	XICOR	获取价格	Dual Digitally-Controlled Potentiometers

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