Datasheet > X9251US24Z

X9251US24Z

更新时间： 2024-09-24 22:10:31

品牌	Logo	应用领域
英特矽尔 - INTERSIL		转换器电阻器光电二极管
页数	文件大小	规格书
22页	353K
描述
Single Supply/Low Power/256-Tap/SPI Bus

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X9251US24Z 数据手册

X9251

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

Data Sheet

September 14, 2005

FN8166.2

DESCRIPTION

Quad Digitally-Controlled (XDCP™)

Potentiometer

The X9251 integrates four digitally controlled potentio-

meters (XDCP) on a monolithic CMOS integrated

circuit.

FEATURES

• Four potentiometers in one package

• 256 resistor taps–0.4% resolution

• SPI Serial Interface for write, read, and transfer

operations of the potentiometer

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 Ld SOIC, 24 Ld TSSOP

• Low power CMOS

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.

• Pb-free plus anneal available (RoHS compliant)

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

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.

12 3 4 5 6 7...22

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X9251US24Z 替代型号

型号	品牌	替代类型	描述	数据表
X9251US24I	INTERSIL	完全替代	Single Supply/Low Power/256-Tap/SPI Bus
X9251US24	INTERSIL	完全替代	Single Supply/Low Power/256-Tap/SPI Bus
X9250US24I	INTERSIL	完全替代	Low Noise/Low Power/SPI Bus/256 Taps

与X9251US24Z相关器件

型号	品牌	获取价格	描述	数据表
X9251US24Z-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9251UV24	XICOR	获取价格	Quad Digitally-Controlled (XDCP) Potentiometer
X9251UV24	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9251UV24-2.7	XICOR	获取价格	Quad Digitally-Controlled (XDCP) Potentiometer
X9251UV24-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9251UV24-2.7T1	RENESAS	获取价格	QUAD 50K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 256 POSITIONS, PDSO
X9251UV24I	XICOR	获取价格	Quad Digitally-Controlled (XDCP) Potentiometer
X9251UV24I	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9251UV24I-2.7	XICOR	获取价格	Quad Digitally-Controlled (XDCP) Potentiometer
X9251UV24I-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus

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