Datasheet > X9312

X9312

更新时间： 2024-11-12 22:12:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
9页	220K
描述
Terminal Voltage 0V to + 15V, 100 Taps

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X9312 数据手册

X9312

Terminal Voltage 0V to +15V, 100 Taps

Data Sheet

March 15, 2005

FN8176.0

DESCRIPTION

The Intersil X9312 is

potentiometer (XDCP). The device consists of a

resistor array, wiper switches, a control section, and

nonvolatile memory. The wiper position is controlled

by a 3-wire interface.

Digitally Controlled Potentiometer

(XDCP™)

digitally controlled

FEATURES

• Solid-state potentiometer

• 3-wire serial interface

• Terminal voltage, 0 to +15V

• 100 wiper tap points

—Wiper position stored in nonvolatile memory

and recalled on power-up

The potentiometer is implemented by a resistor array

composed of 99 resistive elements and a wiper

switching network. Between each element and at

either end are tap points accessible to the wiper

terminal. The position 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.

• 99 resistive elements

—Temperature compensated

—End to end resistance range ± 20%

• Low power CMOS

—V = 5V

—Active current, 3mA max.

—Standby current, 1mA max.

• High reliability

—Endurance, 100,000 data changes per bit

—Register data retention, 100 years

The device can be used as a three-terminal

potentiometer or as a two-terminal variable resistor in

a wide variety of applications including:

– control

• R

values = 10kΩ, 50kΩ, and 100kΩ

TOTAL

– parameter adjustments

– signal processing

• Packages

—8-lead SOIC and DIP

BLOCK DIAGRAM

U/D

INC

7-Bit

R_H/V_H

Up/Down

Counter

_CC(Supply Voltage)

R_H/V_H

Up/Down

(U/D)

7-Bit

Nonvolatile

Memory

One

Control

and

Memory

Increment

(INC)

R_W/V_W

R_L/V_L

One

Transfer

Gates

Resistor

Array

Hundred

Decoder

Device Select

(CS)

Store and

Recall

Control

Circuitry

V_SS(Ground)

V_CC

V_SS

General

R_L/V_L

R_W/V_W

Detailed

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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