Datasheet > X9251TV24

X9251TV24

更新时间： 2024-11-18 22:10:31

品牌	Logo	应用领域
XICOR		/
页数	文件大小	规格书
25页	548K
描述
Quad Digitally-Controlled (XDCP) Potentiometer

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中文翻译

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X9251TV24 数据手册

APPLICATION NOTES AND DEVELOPMENT SYSTEM

A V A I L A B L E

AN99 • AN115 • AN124 •AN133 • AN134 • AN135

Single Supply / Low Power / 256-tap / SPI bus

X9251

Quad Digitally-Controlled (XDCP^TM) Potentiometer

FEATURES

DESCRIPTION

• Four potentiometers in one package

• 256 resistor taps–0.4% resolution

• SPI Serial Interface for write, read, and transfer

operations of the potentiometer

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.

• Wiper resistance: 100Ω typical @ V

= 5V

• 4 Non-volatile data registers for each

potentiometer

• Non-volatile storage of multiple wiper positions

• Standby current < 5µA max

• V : 2.7V to 5.5V Operation

• 50KΩ, 100KΩ versions of total resistance

• 100 yr. data retention

• Single supply version of X9250

• Endurance: 100,000 data changes per bit per

• 24-lead SOIC, 24-lead TSSOP, 24-lead CSP

(Chip Scale Package)

The XDCP can be used as

a three-terminal

• Low power CMOS

potentiometer or as a two terminal variable resistor in

a wide variety of applications including control,

parameter adjustments, and signal processing.

FUNCTIONAL DIAGRAM

HOLD

DCP1

DCP3

DCP2

DCP0

WCR1

DR10

DR11

DR12

DR13

WCR3

DR30

DR31

DR32

DR33

WCR2

DR20

DR21

DR22

DR23

WCR0

DR00

DR01

DR02

DR03

SPI

Interface

POWER UP,

INTERFACE

CONTROL

AND

STATUS

SCK

Characteristics subject to change without notice. 1 of 25

REV 1.3.3 2/10/04

www.xicor.com

12 3 4 5 6 7...25

中文翻译

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与X9251TV24相关器件

型号	品牌	获取价格	描述	数据表
X9251TV24-2.7	XICOR	获取价格	Quad Digitally-Controlled (XDCP) Potentiometer
X9251TV24-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9251TV24-2.7T1	RENESAS	获取价格	Digital Potentiometer, 4 Func, 100000ohm, Increment/decrement Control Interface, 256 Posit
X9251TV24I	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9251TV24I	XICOR	获取价格	Quad Digitally-Controlled (XDCP) Potentiometer
X9251TV24I-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9251TV24I-2.7	XICOR	获取价格	Quad Digitally-Controlled (XDCP) Potentiometer
X9251TV24I-2.7T1	RENESAS	获取价格	QUAD 100K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 256 POSITIONS, PDS
X9251TV24IT1	RENESAS	获取价格	QUAD 100K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 256 POSITIONS, PDS
X9251TV24IZ	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus

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