X9421YSI-2.7

更新时间： 2024-02-23 08:19:06

品牌	Logo	应用领域
XICOR		/
页数	文件大小	规格书
21页	118K
描述
Single Digitally Controlled (XDCP) Potentiometer

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中文翻译

获取价格

数据手册

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X9421YSI-2.7 数据手册

APPLICATION NOTES

A V A I L A B L E

AN99 • AN115 • AN120 • AN124 • AN133 • AN134 • AN135

Low Noise/Low Power/SPI Bus

X9421

Single Digitally Controlled (XDCP) Potentiometer

FEATURES

DESCRIPTION

• Single Voltage Potentiometer

The X9421 integrates a single digitally controlled

• 64 Resistor Taps

potentiometer (XDCP) on

integrated circuit.

monolithic CMOS

• SPI Serial Interface for write, read, and transfer

operations of the potentiometer

• Wiper Resistance, 150Ω Typical at 5V

• 4 Non-Volatile Data Registers

• Non-Volatile Storage of Multiple Wiper Positions

• Power On Recall. Loads SavedWiper Position on

Power Up.

The digital controlled potentiometer is implemented

using 63 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 non-

volatile 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.

• Standby Current < 5µA Max

• V

: 2.7V to 5.5V Operation

• 2.5KΩ, 10KΩ End to End Resistance

• 100 yr. Data Retention

• Endurance: 100, 000 Data Changes per Bit per

• 14-Lead TSSOP, 16-Lead SOIC

• 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.

BLOCK DIAGRAM

R /V

write

read

10KΩ

transfer

inc / dec

address

data

status

Power On Recall

64-taps

wiper

Wiper Counter

Bus

Interface &

Control

POT

SPI

bus

interface

Data Registers

4 Bytes

control

R /V

Characteristics subject to change without notice. 1 of 21

REV 1.1.6 8/1/02

www.xicor.com

12 3 4 5 6 7...21

中文翻译

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与X9421YSI-2.7相关器件

型号	品牌	获取价格	描述	数据表
X9421YV	XICOR	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421YV14	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421YV14-2.7	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421YV14-2.7T1	RENESAS	获取价格	2.5K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO14, 4.40 MM
X9421YV14-2.7-T1	RENESAS	获取价格	Digital Potentiometer, 1 Func, 2500ohm, 3-wire Serial Control Interface, 64 Positions, CMO
X9421YV14I	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421YV14I-2.7	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421YV14I-2.7-T1	RENESAS	获取价格	Digital Potentiometer, 1 Func, 2500ohm, 3-wire Serial Control Interface, 64 Positions, CMO
X9421YV14IT1	RENESAS	获取价格	2.5K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO14, 4.40 MM
X9421YV14I-T1	RENESAS	获取价格	2.5K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO14, 4.40 MM

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