Datasheet > X9015US8I-2.7T4

X9015US8I-2.7T4

更新时间： 2024-09-25 15:58:11

品牌	Logo	应用领域
XICOR		光电二极管转换器电阻器
页数	文件大小	规格书
12页	81K
描述
50K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO8, PLASTIC, SOIC-8

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X9015US8I-2.7T4 数据手册

APPLICATION NOTES

A V A I L A B L E

AN99 • AN115 • AN120 • AN124 • AN133 • AN134

Low Noise, Low Power, Volatile

X9015

Single Digitally Controlled (XDCP^™) Potentiometer

FEATURES

• 32 taps

DESCRIPTION

The Xicor X9015 is a 32 tap potentiometer that is vola-

tile. The device consists of a string of 31 resistors that

can be programmed to connect the R /V wiper out-

• Three-wire up/down serial interface

• V = 2.7V–5V

• Operating I

= 50µA max.

put with any of the nodes between the connecting

resistors. The connection point of the wiper is deter-

mined by information communicated to the device on

the 3-wire port. The 3-wire port changes the tap posi-

tion by a falling edge on the increment pin.The direction

the wiper moves is determined by the state of the up/

down pin.The wiper position at power up is Tap #15.

• Standby current = 1µA max.

• R = 10KΩ, 50KΩ, 100KΩ

TOTAL

• Packages SOIC-8, MSOP-8

The X9015 can be used in a wide variety of applica-

tions that require a digitally controlled variable resistor

to set analog values.

BLOCK DIAGRAM

U/D

INC

5-Bit

Up/Down

Counter

R /V

(Supply Voltage)

R /V

Up/Down

(U/D)

One

Increment

(INC)

Control

R /V

W W

Thirty

Transfer

Gates

Resistor

Array

Two

Device Select

(CS)

Decoder

R /V

(Ground)

Control

Circuitry

General

R /V

Detailed

XDCP is a trademark of Xicor, Inc.

REV 1.1.1 7/19/01

Characteristics subject to change without notice. 1 of 12

www.xicor.com

12 3 4 5 6 7...12

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