Datasheet > X9261US24

X9261US24

更新时间： 2024-11-29 22:10:31

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
21页	392K
描述
Single Supply/Low Power/256-Tap/SPI Bus

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数据手册
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X9261US24 数据手册

X9261

Single Supply/Low Power/256-Tap/SPI Bus

Data Sheet

September 14, 2005

FN8171.2

DESCRIPTION

Dual Digitally-Controlled (XDCP™)

Potentiometers

The X9261 integrates

potentiometer (XDCP) on

integrated circuit.

digitally controlled

monolithic CMOS

FEATURES

• Dual–Two Separate Potentiometers

• 256 Resistor Taps/pot–0.4% Resolution

• SPI 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

SPI 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 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 Resistance

• 100 yr. Data Retention

• Endurance: 100,000 Data Changes per Bit per

• 24-Lead SOIC, 24-Lead TSSOP

• Low Power CMOS

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.

• Power Supply V

= 2.7V to 5.5V

• Pb-Free Plus Anneal Available (RoHS Compliant)

FUNCTIONAL DIAGRAM

Write

Read

Address

Data

Status

Transfer

Inc/Dec

Power-on Recall

Bus

SPI

Bus

Interface

Wiper Counter

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 1-888-468-3774 | 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...21

中文翻译

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X9261US24 替代型号

型号	品牌	替代类型	描述	数据表
AD8402ARZ1	ADI	功能相似	1-/2-/4-Channel Digital Potentiometers
AD8402ARZ100	ADI	功能相似	1-/2-/4-Channel Digital Potentiometers
MCP42100-I/SL	MICROCHIP	功能相似	Single/Dual Digital Potentiometer with SPI⑩ I

与X9261US24相关器件

型号	品牌	获取价格	描述	数据表
X9261US24-2.7	RENESAS	获取价格	DUAL 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24, PL
X9261US24-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9261US24-2.7T1	XICOR	获取价格	Digital Potentiometer, 2 Func, 50000ohm, 3-wire Serial Control Interface, 256 Positions, C
X9261US24I	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9261US24I	XICOR	获取价格	Digital Potentiometer 2 Func 50000ohm 3-wire Serial Control Interface 256 Positions C
X9261US24I-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9261US24I-2.7T1	XICOR	获取价格	Digital Potentiometer, 2 Func, 50000ohm, 3-wire Serial Control Interface, 256 Positions, C
X9261US24IT1	XICOR	获取价格	Digital Potentiometer, 2 Func, 50000ohm, 3-wire Serial Control Interface, 256 Positions, C
X9261US24IT1	RENESAS	获取价格	DUAL 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24, PL
X9261US24IZ	RENESAS	获取价格	DUAL 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24, 0.

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