X9315ZP-2.7

更新时间： 2024-02-25 05:13:07

品牌	Logo	应用领域
XICOR		电位器
页数	文件大小	规格书
13页	76K
描述
E 2 POT TM Nonvolatile Digital Potentiometer

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中文翻译

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数据手册

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X9315ZP-2.7 数据手册

APPLICATION NOTE

A V A I L A B L E

AN104

Low Noise, Low Power, 32 Taps

X9315

E²POT^TMNonvolatile Digital Potentiometer

FEATURES

DESCRIPTION

The Xicor X9315 is a solid state "micropower" nonvol-

atile potentiometer and is ideal for digitally controlled

resistance trimming.

• Low Power CMOS

—V = 2.7V to 5.5V, Single Supply

—Active Current, 50µA (Increment) max

—Active Current, 400µA (Store) Max

—Standby Current, 1µA Max

• Low Noise

• 31 Resistive Elements

—Temperature Compensated

—± 20% End to End Resistance Range

The X9315 is a resistor array composed of 31 resistive

elements. Between each element and at either end are

tap points accessible to the wiper element. 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 sub-

sequent power-up operation.

—V to V Range

• 32 Wiper Tap Points

The resolution of the X9315 is equal to the maximum

resistance value divided by 31. As an example, for the

X9315W (10KΩ) each tap point represents 323Ω.

—Wiper Positioned via Three-Wire Interface

—Similar to TTL Up/Down Counter

—Wiper Position Stored in Nonvolatile Memory

and Recalled on Power-Up

• 100Year Wiper Position Data Retention

• X9315Z = 1KΩ

All Xicor nonvolatile digital potentiometers are de-

signed and tested for applications requiring extended

endurance and data retention.

• X9315W = 10KΩ

• Packages

—8-Lead SOIC

—8-Lead MSOP

—8-Pin DIP

FUNCTIONAL DIAGRAM

U/D

INC

CMOS SWITCH

5-BIT

UP/DOWN

COUNTER

ONE

THIRTY-

TWO

5-BIT

NONVOLATILE

MEMORY

RESISTOR

ARRAY

WIPER

POSITION

DECODER

STOREAND

RECALL

CONTROL

CIRCUITRY

6732 FM1

E²POT™ is a trademark of Xicor, Inc.

6732-2.0 5/30/97 T1/C0/D0 SH

Characteristics subject to change without notice

12 3 4 5 6 7...13

中文翻译

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