Datasheet > X9421WS16Z-2.7-T1

X9421WS16Z-2.7-T1

更新时间： 2024-11-08 08:49:39

品牌	Logo	应用领域
瑞萨 - RENESAS		光电二极管
页数	文件大小	规格书
20页	324K
描述
Digital Potentiometer, 1 Func, 10000ohm, 3-wire Serial Control Interface, 64 Positions, CMOS, PDSO16

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X9421

Low Noise/Low Power/SPI Bus

Data Sheet

January 14, 2009

FN8196.4

Single Digitally Controlled (XDCP™)

Potentiometer

Features

• Single Voltage Potentiometer

• 64 Resistor Taps

Description

• SPI Serial Interface for Write, Read, and Transfer

Operations of the Potentiometer

The X9421 integrates a single digitally controlled

potentiometer (XDCP) on a monolithic CMOS integrated

circuit.

• Wiper Resistance, 150Ω Typical at 5V

• 4 Non-Volatile Data Registers

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. Power-up recalls the contents of the

default data register (DR0) to the WCR.

• Non-Volatile 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

• 2.5kΩ, 10kΩ End to End Resistance

• 100 yr. Data Retention

• Endurance: 100, 000 Data Changes per Bit per Register

• 14 Ld TSSOP, 16 Ld SOIC

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.

• Low Power CMOS

• Pb-Free Available (RoHS Compliant)

Block Diagram

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

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.

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与X9421WS16Z-2.7-T1相关器件

型号	品牌	获取价格	描述	数据表
X9421WS16Z-T1	RENESAS	获取价格	Digital Potentiometer, 1 Func, 10000ohm, 3-wire Serial Control Interface, 64 Positions, CM
X9421WS-2.7	XICOR	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WSI	XICOR	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WSI-2.7	XICOR	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WV	XICOR	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WV14	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WV14-2.7	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer
X9421WV14-2.7T1	RENESAS	获取价格	10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO14, 4.40 MM,
X9421WV14-2.7-T1	RENESAS	获取价格	Digital Potentiometer, 1 Func, 10000ohm, 3-wire Serial Control Interface, 64 Positions, CM
X9421WV14I	INTERSIL	获取价格	Single Digitally Controlled (XDCP) Potentiometer

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