Datasheet > X9116WS8I

X9116WS8I

更新时间： 2024-09-23 22:21:35

品牌	Logo	应用领域
XICOR		电位器
页数	文件大小	规格书
11页	345K
描述
Digitally Controlled Potentiometer (XDCP)

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中文翻译

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数据手册

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X9116WS8I 数据手册

APPLICATION NOTE

A V A I L A B L E

AN99 • AN115 • AN120 • AN124 • AN133 • AN134

Low Noise, Low Power, Low Cost

X9116

Digitally Controlled Potentiometer (XDCP^™)

FEATURES

DESCRIPTION

• Solid-state nonvolatile

• 16 wiper taps

• 3-wire up/down serial interface

The Xicor X9116 is a digitally controlled nonvolatile

potentiometer designed to be used in trimmer applica-

tions. The pot consists of 15 equal resistor segments

that connect to the wiper pin through programmable

CMOS switches. The tap position is programmed

through a 3-wire up/down serial port. The last position

of the wiper is stored in a nonvolatile memory location

which is recalled at the time of power up of the device.

• V

= 2.7V and 5V

• Active current < 50µA max.

• Standby current < 1µA max.

• R

= 10KΩ

TOTAL

• Packages: MSOP-8, SOIC

The wiper moves through sequential tap positions with

inputs on the serial port. A falling edge on INC (bar)

causes the tap position to increment one position up or

down based on whether the U/D (bar) pin is held high

or low.

The X9116 can be used in many applications requiring

a variable resistance. In many cases it can replace a

mechanical trimmer and offers many advantages such

as temperature and time stability as well as the reli-

ability of a solid state solution.

BLOCK DIAGRAM

(Supply Voltage)

R /V

Up/Down

(U/D)

Control

and

Memory

Increment

(INC)

Device Select

(CS)

R /V

(Ground)

-R Resistance

General

10kΩ

9.34kΩ

8.68kΩ

* kΩ

2.08kΩ

1.42kΩ

760Ω

100Ω

Characteristics subject to change without notice. 1 of 11

REV 1.2 2/5/03

www.xicor.com

12 3 4 5 6 7...11

中文翻译

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