X9313WS-3 参数 Datasheet PDF下载

A

PPLICATION

N

OTE

A V A I L A B L E

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

Terminal Voltages ±5V, 32 Taps

X9313

Digitally Controlled Potentiometer (XDCP

™

)

FEATURES

• Solid-state potentiometer

• 3-wire serial interface

• 32 wiper tap points

—Wiper position stored in nonvolatile memory

and recalled on power-up

• 31 resistive elements

—Temperature compensated

—End to end resistance range ± 20%

—Terminal voltages, –5V to +5V

• Low power CMOS

—V

CC

= 3V or 5V

—Active current, 3mA max.

—Standby current, 500µA max.

• High reliability

—Endurance, 100,000 data changes per bit

—Register data retention, 100 years

• R

TOTAL

values = 1K

Ω

, 10K

Ω

, 50K

Ω

, 100K

Ω

• Packages

—8-lead SOIC, MSOP and DIP

DESCRIPTION

The Xicor X9313 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 31 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

BLOCK DIAGRAMS

V

CC

(Supply Voltage)

U/D

INC

CS

5-Bit

Up/Down

Counter

31

30

29

R

H

/V

H

Up/Down

(U/D)

Increment

(INC)

Device Select

(CS)

Control

and

Memory

R

H

/V

H

R

W

/V

W

R

L

/V

L

Store and

Recall

Control

Circuitry

5-Bit

Nonvolatile

Memory

28

One

of

Thirty

Two

Decoder

2

Transfer

Gates

Resistor

Array

V

SS

(Ground)

General

V

CC

V

SS

1

0

R

L

/V

L

R

W

/V

W

Detailed

REV 1.1 10/23/00

www.xicor.com

Characteristics subject to change without notice.

1 of 10

This Material Copyrighted by Its Respective Manufacturer