Datasheet > X9271TBI-2.7

X9271TBI-2.7

更新时间： 2024-11-01 22:20:07

品牌	Logo	应用领域
XICOR		/
页数	文件大小	规格书
23页	403K
描述
Single Digitally-Controlled (XDCP) Potentiometer

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中文翻译

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X9271TBI-2.7 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

X9271

Single Digitally-Controlled (XDCP^TM) Potentiometer

FEATURES

DESCRIPTION

• 256 Resistor Taps

The X9271 integrates a single digitally controlled

• SPI Serial Interface for write, read, and transfer

operations of the potentiometer

potentiometer (XDCP) on

integrated circuit.

monolithic CMOS

• Wiper Resistance, 100Ω typical @ V

= 5V

The digital controlled potentiometer is implemented

using 255 resistive elements in a series array. Between

each element are tap points connected to the wiper

terminal through switches. The position of the wiper on

the array is controlled by the user through the SPI bus

interface. The potentiometer has associated with it a

volatile Wiper Counter Register (WCR) and a four

nonvolatile Data Registers that can be directly written

to and read by the user. The contents of the WCR

controls the position of the wiper on the resistor array

though the switches. Powerup recalls the contents of

the default data register (DR0) to the WCR.

• 16 Nonvolatile Data Registers

• Nonvolatile Storage of Multiple Wiper Positions

• Power On Recall. Loads SavedWiper Position on

Power Up.

• Standby Current < 3µA Max

• V : 2.7V to 5.5V Operation

• 50KΩ, 100KΩ versions of End to End Resistance

• 100 yr. Data Retention

• Endurance: 100,000 Data Changes per Bit per

• 14-Lead TSSOP, 16-Lead CSP (Chip Scale

Package)

• 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.

FUNCTIONAL DIAGRAM

Write

Read

Address

Transfer

50KΩ and 100KΩ

Power On Recall

Data

256-taps

Inc/Dec

Status

Wiper Counter

Bus

SPI

Bus

Interface

POT

Interface

and Control

Data Registers

16 Bytes

Control

Characteristics subject to change without notice. 1 of 23

REV 1.1.7 2/6/03

www.xicor.com

12 3 4 5 6 7...23

中文翻译

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与X9271TBI-2.7相关器件

型号	品牌	获取价格	描述	数据表
X9271TV	XICOR	获取价格	Single Digitally-Controlled (XDCP) Potentiometer
X9271TV	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9271TV14	XICOR	获取价格	Digital Potentiometer, 1 Func, 100000ohm, 3-wire Serial Control Interface, 256 Positions,
X9271TV14	RENESAS	获取价格	100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14, 4.40 M
X9271TV14	INTERSIL	获取价格	Single, Digitally Controlled (XDCPâ¢) Potent
X9271TV14-2.7	ETC	获取价格	DIGITAL POTENTIOMETER\|CMOS\|TSSOP\|14PIN\|PLASTIC
X9271TV14-2.7T1	RENESAS	获取价格	100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14, 4.40 M
X9271TV14I	ETC	获取价格	DIGITAL POTENTIOMETER\|CMOS\|TSSOP\|14PIN\|PLASTIC
X9271TV14I-2.7	XICOR	获取价格	Digital Potentiometer, 1 Func, 100000ohm, 3-wire Serial Control Interface, 256 Positions,
X9271TV14I-2.7T1	XICOR	获取价格	Digital Potentiometer, 1 Func, 100000ohm, 3-wire Serial Control Interface, 256 Positions,

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