Datasheet > X9279UV14-2.7

X9279UV14-2.7

更新时间： 2024-09-24 22:22:27

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	363K
描述
Single Supply/Low Power/256-Tap/2-Wire Bus

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X9279UV14-2.7 数据手册

X9279

Single Supply/Low Power/256-Tap/2-Wire Bus

Data Sheet

September 27, 2005

FN8175.2

DESCRIPTION

Single Digitally-Controlled (XDCP™)

Potentiometer

The X9279 integrates a single digitally controlled

potentiometer (XDCP) on

integrated circuit.

monolithic CMOS

FEATURES

• 256 Resistor Taps

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

2-Wire 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.

• 2-Wire Serial Interface for Write, Read, and

Transfer Operations of the Potentiometer

• Wiper Resistance, 100Ω Typical @ 5V

• 16 Nonvolatile Data Registers for Each

Potentiometer

• Nonvolatile Storage of Multiple Wiper Positions

• Power-on Recall. Loads Saved Wiper Position

on Power-up.

• Standby Current < 5µA Max

• V : 2.7V to 5.5V Operation

• 50kΩ, 100kΩ Versions of End to End Resistance

• Endurance: 100,000 Data Changes per Bit per

• 100 yr. Data Retention

The XDCP can be used as a three-terminal

• 14 Ld 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

Transfer

50kΩ and 100kΩ

Power-on Recall

Data

Inc/Dec

256-taps

wiper

Status

Bus

Wiper Counter

2-Wire

Bus

Interface

POT

Interface

and Control

Data Registers

16 Bytes

Control

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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与X9279UV14-2.7相关器件

型号	品牌	获取价格	描述	数据表
X9279UV14-2.7-T	RENESAS	获取价格	50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14, 4.40 MM
X9279UV14-2.7T1	RENESAS	获取价格	暂无描述
X9279UV14-2.7T1	XICOR	获取价格	Digital Potentiometer, 1 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, C
X9279UV14I	XICOR	获取价格	Single Digitally-Controlled (XDCP) Potentiometer
X9279UV14I	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/2-Wire Bus
X9279UV14I-2.7	XICOR	获取价格	Single Digitally-Controlled (XDCP) Potentiometer
X9279UV14I-2.7	INTERSIL	获取价格	Single Supply/Low Power/256-Tap/2-Wire Bus
X9279UV14I-2.7T1	XICOR	获取价格	Digital Potentiometer, 1 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, C
X9279UV14I-T	RENESAS	获取价格	50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14, 4.40 MM
X9279UV14IT1	RENESAS	获取价格	50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14, 4.40 MM

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