Datasheet > X9271TV14Z-2.7

X9271TV14Z-2.7

更新时间： 2024-02-09 07:50:03

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
22页	673K
描述
Single, Digitally Controlled (XDCPâ¢) Potentiometer

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X9271TV14Z-2.7 数据手册

X9271

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

Data Sheet

June 23, 2011

FN8174.3

DESCRIPTION

Single, Digitally Controlled (XDCP™)

Potentiometer

The X9271 integrates a single, digitally controlled

potentiometer (XDCP™) on a monolithic CMOS

integrated circuit.

FEATURES

• 256 Resistor Taps

• SPI Serial Interface for Write, Read, and Transfer

Operations of Potentiometer

• Wiper Resistance, 100Ω typical @ V

• 16 Nonvolatile Data Registers

• Nonvolatile Storage of Multiple Wiper Positions

• Power-on Recall; Loads Saved Wiper Position

on Power-up

The digitally controlled potentiometer is implemented by

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 four

nonvolatile data registers that can be directly written to

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

the position of the wiper on the resistor array though the

switches. Power-up recalls the contents of the default

data register (DR0) to the WCR.

= 5V

• 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

The XDCP can be used as

a three-terminal

• 14-Lead TSSOP

• Low-power CMOS

• Pb-free Plus Anneal Available (RoHS Compliant)

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

Data

Status

50kΩ and 100kΩ

256 Taps

Transfer

Inc/Dec

Power-on Recall

Wiper Counter

Bus

Interface

and Control

SPI

Bus

Interface

POT

Data Registers

16 Bytes

Control

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

XDCP is a trademark of Intersil Americas Inc. Intersil (and design) is a trademark owned by Intersil Corporation

or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...22

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与X9271TV14Z-2.7相关器件

型号	品牌	获取价格	描述	数据表
X9271TV-2.7	XICOR	获取价格	Single Digitally-Controlled (XDCP) Potentiometer
X9271TV-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9271TVI	XICOR	获取价格	Single Digitally-Controlled (XDCP) Potentiometer
X9271TVI	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9271TVI-2.7	XICOR	获取价格	Single Digitally-Controlled (XDCP) Potentiometer
X9271TVI-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/SPI Bus
X9271TXXX	ETC	获取价格	DIGITAL POTENTIOMETER\|CMOS\|BGA\|PLASTIC
X9271TXXX-2.7	XICOR	获取价格	Digital Potentiometer, CMOS,
X9271TXXXI	XICOR	获取价格	Digital Potentiometer, CMOS,
X9271TXXXI-2.7	XICOR	获取价格	Digital Potentiometer, CMOS,

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