Datasheet > X9408WP24I

X9408WP24I

更新时间： 2024-09-24 22:13:43

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
21页	372K
描述
Low Noise/Low Power/2-Wire Bus

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X9408WP24I 数据手册

X9408

Low Noise/Low Power/2-Wire Bus

Data Sheet

September 19, 2005

FN8191.2

DESCRIPTION

Quad Digitally Controlled (XDCP™)

Potentiometers

The X9408 integrates four digitally controlled

potentiometers (XDCP) on a monolithic CMOS

integrated circuit.

FEATURES

• Four potentiometers in one package

• 64 resistor taps per potentiometer

• 2-wire serial interface

• 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

The XDCP can be used as

a three-terminal

—Register data retention–100 years

• 24 Ld SOIC, 24 Ld TSSOP, 24 Ld PDIP packages

• Pb-free plus anneal available (RoHS compliant)

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

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

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与X9408WP24I相关器件

型号	品牌	获取价格	描述	数据表
X9408WP24I-2.7	INTERSIL	获取价格	Low Noise/Low Power/2-Wire Bus
X9408WP24I-2.7	XICOR	获取价格	Digital Potentiometer, 10000ohm, 2-wire Serial Control Interface, 64 Positions, CMOS, PDIP
X9408WP24M	ETC	获取价格	Digital Potentiometer
X9408WP24M-2.7	ETC	获取价格	Digital Potentiometer
X9408WS24	INTERSIL	获取价格	Low Noise/Low Power/2-Wire Bus
X9408WS24	XICOR	获取价格	Digital Potentiometer 4 Func 10000ohm 2-wire Serial Control Interface 64 Positions CM
X9408WS24-2.7	INTERSIL	获取价格	Low Noise/Low Power/2-Wire Bus
X9408WS24-2.7T1	XICOR	获取价格	Digital Potentiometer, 4 Func, 10000ohm, 2-wire Serial Control Interface, 64 Positions, CM
X9408WS24-2.7T2	XICOR	获取价格	Digital Potentiometer, 4 Func, 10000ohm, 2-wire Serial Control Interface, 64 Positions, CM
X9408WS24-2.7T4	XICOR	获取价格	Digital Potentiometer, 4 Func, 10000ohm, 2-wire Serial Control Interface, 64 Positions, CM

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