X9312TS Xicor, X9312TS Datasheet

X9312TS

Manufacturer Part Number

X9312TS

Description

Manufacturer

Xicor

Datasheets

1.X9312TS.pdf (9 pages)

2.X9312TS.pdf (9 pages)

Specifications of X9312TS

Case

SOP8

Date_code

06+

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Download datasheet (346Kb)

XDCP is a trademark of Xicor, Inc.

Terminal Voltage 0V to +15V, 100 Taps

FEATURES

• Solid-state potentiometer

• 3-wire serial interface

• Terminal voltage, 0 to +15V

• 100 wiper tap points

• 99 resistive elements

• Low power CMOS

• High reliability

• R

• Packages

BLOCK DIAGRAM

REV 1.1.3 8/20/02

AN20 • AN42–53 • AN71 • AN73 • AN88 • AN91–92 • AN99 • AN115 • AN120 • AN124 • AN133 • AN134 • AN135

Device Select

—Wiper position stored in nonvolatile memory

—Temperature compensated

—End to end resistance range ± 20%

—V

—Active current, 3mA max.

—Standby current, 1mA max.

—Endurance, 100,000 data changes per bit

—Register data retention, 100 years

—8-lead SOIC and DIP

TOTAL

Increment

and recalled on power-up

Up/Down

(U/D)

(INC)

(CS)

= 5V

values = 10K Ω, 50K Ω, and 100K Ω

(Supply Voltage)

General

Memory

Control

(Ground)

and

Digitally Controlled Potentiometer (XDCP

A V A I L A B L E

PPLICATION

U/D

INC

OTE

www.xicor.com

X9312

Nonvolatile

Up/Down

Store and

Memory

Counter

Circuitry

Control

Recall

7-Bit

DESCRIPTION

The Xicor X9312 is a digitally controlled 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.

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.

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

– parameter adjustments

– signal processing

Hundred

Decoder

One

Detailed

Characteristics subject to change without notice.

Transfer

™

Gates

)

Resistor

Array

1 of 9

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