X9251TV24Z-2.7 Datasheet

IC型號(hào)：
X9251TV24Z-2.7
PDF描述：
Single Supply/Low Power/256-Tap/SPI Bus
文件大小：
353.66KB
PDF頁數(shù)：
22頁
芯片廠家：
INTERSIL

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X9251

Single Supply/Low Power/256-Tap/SPI Bus

Data Sheet

September 14, 2005

FN8166.2

Quad Digitally-Controlled (XDCP鈩?

Potentiometer

FEATURES

鈥?Four potentiometers in one package

鈥?256 resistor taps鈥?.4% resolution

鈥?SPI Serial Interface for write, read, and transfer

operations of the potentiometer

鈥?Wiper resistance: 100鈩?typical @ V

= 5V

鈥?4 Non-volatile data registers for each

potentiometer

鈥?Non-volatile storage of multiple wiper positions

鈥?Standby current < 5碌A(chǔ) max

鈥?V

: 2.7V to 5.5V Operation

鈥?50k鈩? 100k鈩?versions of total resistance

鈥?100 yr. data retention

鈥?Single supply version of X9250

鈥?Endurance: 100,000 data changes per bit per

鈥?24 Ld SOIC, 24 Ld TSSOP

鈥?Low power CMOS

鈥?Pb-free plus anneal available (RoHS compliant)

FUNCTIONAL DIAGRAM

DESCRIPTION

The X9251 integrates four digitally controlled potentio-

meters (XDCP) on a monolithic CMOS integrated

circuit.

The digitally controlled potentiometers are imple-

mented with a combination of resistor elements and

CMOS switches. The position of the wipers are

controlled by the user through the SPI bus interface.

Each potentiometer has associated with it a volatile

Wiper Counter Register (WCR) and four non-volatile

Data Registers that can be directly written to and read

by the user. The content of the WCR controls the

position of the wiper. At power-up, the device recalls

the content of the default Data Registers of each DCP

(DR00, DR10, DR20, and DR30) to the corresponding

WCR.

The XDCP 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, and signal processing.

HOLD

SCK

SPI

Interface

WCR0

DR00

DR01

DR02

DR03

DCP0

POWER UP,

INTERFACE

CONTROL

AND

STATUS

WCR1

DR10

DR11

DR12

DR13

DCP1

WCR2

DR20

DR21

DR22

DR23

DCP2

WCR3

DR30

DR31

DR32

DR33

DCP3

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

1-888-INTERSIL or 1-888-468-3774

Intersil (and design) is a registered trademark of Intersil Americas Inc.

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

產(chǎn)品培訓(xùn)模塊
Solutions for Industrial Control Applications
標(biāo)準(zhǔn)包裝
62
類別
集成電路 (IC)
家庭
數(shù)據(jù)采集 - 數(shù)字電位器
系列
XDCP™
接片
256
電阻（歐姆）
100k
電路數(shù)
4
溫度系數(shù)
標(biāo)準(zhǔn)值 ±300 ppm/°C
存儲(chǔ)器類型
非易失
接口
6 線 SPI（芯片選擇，設(shè)備位址）
電源電壓
2.7 V ~ 5.5 V
工作溫度
-40°C ~ 85°C
安裝類型
表面貼裝
封裝/外殼
24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝
24-TSSOP
包裝
管件

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X9251TV24Z-2.7 Datasheet

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