Datasheet > X9408WS24IT4

X9408WS24IT4

更新时间： 2024-11-14 05:37:31

品牌	Logo	应用领域
XICOR		光电二极管
页数	文件大小	规格书
22页	550K
描述
Digital Potentiometer, 4 Func, 10000ohm, 2-wire Serial Control Interface, 64 Positions, CMOS, PDSO24, PLASTIC, SOIC-24

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中文翻译

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数据手册

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X9408WS24IT4 数据手册

APPLICATION NOTES

A V A I L A B L E

AN99 • AN115 • AN124 • AN133 • AN134 • AN135

Low Noise/Low Power/2-Wire Bus

X9408

Quad Digitally Controlled (XDCP^™) Potentiometers

FEATURES

DESCRIPTION

• Four potentiometers in one package

• 64 resistor taps per potentiometer

• 2-wire serial interface

The X9408 integrates four digitally controlled

potentiometers (XDCP) on a monolithic CMOS

integrated circuit.

• Wiper resistance, 40Ω typical at 5V

• Four nonvolatile data registers for each pot

• Nonvolatile storage of wiper position

• Standby current < 1µA max (total package)

The digital 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 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.

• V

= 2.7V to 5.5V operation

V+ = 2.7V to 5.5V

V– = –2.7V to –5.5V

• 10KΩ, 2.5KΩ end to end resistances

• High reliability

—Endurance–100,000 data changes per bit per

—Register data retention–100 years

• 24-lead SOIC, 24-lead TSSOP, and 24-lead CSP

(Chip Scale Package) packages

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.

BLOCK DIAGRAM

V+

V-

Pot 0

R0 R1

R2 R3

R0 R1

R2 R3

H0 H0

Wiper

Counter

(WCR)

Wiper

Counter

(WCR)

H2 H2

Resistor

Array

Pot 2

L0 L0

L2 L2

SCL

SDA

W0 W0

W2 W2

Interface

and

Control

Circuitry

W1 W1

Data

W3 W3

R0 R1

R2 R3

R0 R1

R2 R3

Wiper

Counter

(WCR)

H1 H1

Resistor

Array

Pot 1

Wiper

Counter

(WCR)

H3 H3

Resistor

Array

Pot 3

L1 L1

L3 L3

Characteristics subject to change without notice. 1 of 22

REV 1.2.10 3/31/04

www.xicor.com

12 3 4 5 6 7...22

中文翻译

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与X9408WS24IT4相关器件

型号	品牌	获取价格	描述	数据表
X9408WS24IZ	RENESAS	获取价格	QUAD 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, 0.3
X9408WS24IZ-2.7T1	RENESAS	获取价格	QUAD 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, 0.3
X9408WS24M	ETC	获取价格	Digital Potentiometer
X9408WS24M-2.7	ETC	获取价格	Digital Potentiometer
X9408WS24T1	XICOR	获取价格	QUAD 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, PLA
X9408WS24T2	XICOR	获取价格	Digital Potentiometer, 4 Func, 10000ohm, 2-wire Serial Control Interface, 64 Positions, CM
X9408WSI-2.7	INTERSIL	获取价格	Low Noise/Low Power/2-Wire Bus
X9408WV24	INTERSIL	获取价格	Low Noise/Low Power/2-Wire Bus
X9408WV24-2.7	INTERSIL	获取价格	Low Noise/Low Power/2-Wire Bus
X9408WV24-2.7	ROCHESTER	获取价格	QUAD 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, 4.4

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