Datasheet > X9428WV-2.7

X9428WV-2.7

更新时间： 2024-11-22 22:13:19

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电位器
页数	文件大小	规格书
20页	348K
描述
Single Digitally Controlled Potentiometer

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X9428WV-2.7 数据手册

X9428

Low Noise/Low Power/2-Wire Bus

Data Sheet

March 8, 2005

FN8197.0

DESCRIPTION

The X9428 integrates

potentiometers (XDCP) on a monolithic CMOS

integrated microcircuit.

Single Digitally Controlled Potentiometer

(XDCP™)

digitally controlled

FEATURES

• Solid state potentiometer

• 2-wire serial interface

• Register oriented format

—Direct Read/Write/Transfer Wiper Position

—Store as many as Four Positions per

Potentiometer

The digitally controlled potentiometer is implemented

using 63 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 4

nonvolatile Data Registers (DR0:DR3) 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 through the switches. Power-up recalls

the contents of DR0 to the WCR.

• Power supplies

—V

= 2.7V to 5.5V

—V+ = 2.7V to 5.5V

—V– = -2.7V to -5.5V

• Low power CMOS

—Standby current < 1µA

—Ideal for Battery Operated Applications

• High reliability

The XDCP can be used as

a three-terminal

—Endurance–100,000 Data Changes per Bit per

—Register Data Retention–100 years

• 4-bytes of nonvolatile memory

• 10kΩ resistor array

potentiometer or as a two-terminal variable resistor in

a wide variety of applications including control,

parameter adjustments, and signal processing.

• Resolution: 64 taps each potentiometer

• SOIC and TSSOP packages

BLOCK DIAGRAM

V+

V–

R0 R1

R2 R3

V /R

SCL

Wiper

Counter

(WCR)

Interface

and

Control

SDA

V /R

Circuitry

Data

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...20

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与X9428WV-2.7相关器件

型号	品牌	获取价格	描述	数据表
X9428WVI	XICOR	获取价格	Single Digitally Controlled Potentiometer
X9428WVI	INTERSIL	获取价格	Single Digitally Controlled Potentiometer
X9428WVI-2.7	INTERSIL	获取价格	Single Digitally Controlled Potentiometer
X9428WVI-2.7	XICOR	获取价格	Single Digitally Controlled Potentiometer
X9428WVM	XICOR	获取价格	Digital Potentiometer, 1 Func, 10000ohm, 2-wire Serial Control Interface, 64 Positions, CM
X9428WVM2.7	ETC	获取价格	Industrial Control IC
X9428WVM-2.7	XICOR	获取价格	Digital Potentiometer, 1 Func, 10000ohm, 2-wire Serial Control Interface, 64 Positions, CM
X9428YI	XICOR	获取价格	Interface Circuit,
X9428YI2.7	XICOR	获取价格	Interface Circuit,
X9428YM	XICOR	获取价格	Interface Circuit,

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