Datasheet > X9420YVM-2.7

X9420YVM-2.7

更新时间： 2024-11-06 22:08:39

品牌	Logo	应用领域
英特矽尔 - INTERSIL		转换器电阻器光电二极管
页数	文件大小	规格书
20页	365K
描述
Single Digitally Controlled (XDCP) Potentiometer

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数据手册

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X9420YVM-2.7 数据手册

X9420

Low Noise/Low Power/SPI Bus

Data Sheet

March 7, 2005

FN8195.0

DESCRIPTION

Single Digitally Controlled (XDCP™)

Potentiometer

The X9420 integrates a single digitally controlled

potentiometers (XDCP) on a monolithic CMOS

integrated microcircuit.

FEATURES

• Solid-State Potentiometer

• SPI serial interface

• Register oriented format

—Direct read/write/transfer wiper positions

—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 SPI bus

interface. The 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

• High reliability

—Endurance–100,000 data changes per bit per

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.

—Register data retention–100 years

• 8-bytes of nonvolatile EEPROM memory

• 10kΩ or 2.5kΩ resistor arrays

• Resolution: 64 taps each pot

• 14-lead TSSOP, 16-lead SOIC, and 16-pin plastic

DIP packages

BLOCK DIAGRAM

HOLD

R0 R1

V /R

SCK

Interface

and

Control

Circuitry

Wiper

Counter

(WCR)

Data

V /R

R2 R3

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X9420YVM-2.7相关器件

型号	品牌	获取价格	描述	数据表
X9421	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421	XICOR	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421_09	INTERSIL	获取价格	Single Digitally Controlled (XDCP?) Potentiometer
X9421WS	XICOR	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WS16	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WS16-2.7	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WS16-2.7T1	RENESAS	获取价格	10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO16, 0.300 IN
X9421WS16I	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WS16I-2.7	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WS16I-2.7-T1	RENESAS	获取价格	Digital Potentiometer, 1 Func, 10000ohm, 3-wire Serial Control Interface, 64 Positions, CM

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