X9C303

更新时间： 2024-11-06 22:25:47

品牌	Logo	应用领域
XICOR		电位器
页数	文件大小	规格书
10页	367K
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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X9C303 数据手册

APPLICATION NOTE

A V A I L A B L E

AN42 • AN44–48 • AN50 • AN52 • AN53 • AN71 • AN92

Terminal ꢁoltage ꢀꢁ, 100 Taps, Log Taper

X9C303

Digitally Controlled Potentiometer (XDCP^™)

FEATURES

DESCRIPTION

• Solid-state potentiometer

• Three-wire serial interface

• 100 wiper tap points

—Wiper position stored in nonvolatile memory

and recalled on power-up

The Xicor X9C303 is a digitally controlled potentiome-

ter (XDCP). The device consists of a resistor array,

wiper switches, a control section, and nonvolatile

memory. The wiper position is controlled by a three-

wire interface.

• 99 resistive elements, log taper

—Temperature compensated

—End to end resistance, 1ꢀ5

—Terminal voltages, ꢀꢁ

The resistor array is composed of 99 resistive ele-

ments. Between each element and at either end are

tap points accessible to the wiper terminal. The posi-

tion of the wiper element is controlled by the CS, U/D,

and INC inputs. The position of the wiper can be

stored in nonvolatile memory and then be recalled

upon a subsequent power-up operation.

• Low power CMOS

—ꢁ

= ꢀꢁ

—Active current, 3mA max.

—Standby current, 7ꢀ0µA max.

• High reliability

—Endurance, 100,000 data changes per bit

—Register data retention, 100 years

• X9C303, 32 kΩ

• Packages

—8-lead TSSOP

—8-lead SOIC

—8-pin DIP

The device can be used as a three-terminal potentio-

meter or as a two-terminal variable resistor in a wide

variety of applications ranging from control, to signal

processing, to parameter adjustment. Digitally-

controlled potentiometers provide three powerful appli-

cation advantages; (1) the variability and reliability of a

solid-state potentiometer, (2) the ﬂexibility of com-

puter-based digital controls, and (3) the use of nonvol-

atile memory for potentiometer settings retention.

BLOCK DIAGRAM

U/D

INC

7-Bit

Up/Down

Counter

7-Bit

Nonvolatile

Memory

One

One-

Resistor

Array

Hundred

Decoder

Transfer

Gates

Store and

Recall

Control

Circuitry

R V

XDCP^™is a trademark of Xicor, Inc.

REV 1.1 4/27/01

Characteristics subject to change without notice. 1 of 10

www.xicor.com

12 3 4 5 6 7...10

中文翻译

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与X9C303相关器件

型号	品牌	获取价格	描述	数据表
X9C303_07	INTERSIL	获取价格	Logarithmic Digitally Controlled Potentiometer
X9C303_09	INTERSIL	获取价格	Logarithmic Digitally Controlled Potentiometer
X9C303P	XICOR	获取价格	Digitally Controlled Potentiometer (XDCP)
X9C303P	INTERSIL	获取价格	Digitally Controlled Potentiomet (XDCP)
X9C303PC7898	RENESAS	获取价格	32K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 100 POSITIONS, PDIP8, PL
X9C303PI	XICOR	获取价格	Digitally Controlled Potentiometer (XDCP)
X9C303PI	INTERSIL	获取价格	Digitally Controlled Potentiomet (XDCP)
X9C303PI-T1	RENESAS	获取价格	IC,DIGITAL POTENTIOMETER,CMOS,DIP,8PIN,PLASTIC
X9C303PIZ	INTERSIL	获取价格	Logarithmic Digitally Controlled Potentiometer
X9C303P-T1	RENESAS	获取价格	IC,DIGITAL POTENTIOMETER,CMOS,DIP,8PIN,PLASTIC

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