X9241AYVIT2 datasheet, PDF - EEWORLD Datasheet

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X9241AYVIT2: DescriptionIC xdcp quad 4x2k EE 20-tssop; Categorysemiconductor Analog mixed-signal IC; File Size268KB，16 Pages; ManufacturerIntersil ( Renesas ); Websitehttp://www.intersil.com/cda/home/

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X9241AYVIT2 Overview

IC xdcp quad 4x2k EE 20-tssop

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X9241A

Quad Digital Controlled Potentionmeters (XDCP™)

Data Sheet

August 31, 2007

FN8164.6

Non-Volatile/Low Power/2-Wire/64 Taps

The X9241A integrates four digitally controlled

potentiometers (XDCP) on a monolithic CMOS integrated

microcircuit.

The digitally 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 2-wire bus interface. Each

potentiometer has associated with it a volatile Wiper Counter

(DR0:DR3) 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 through the switches. Power up

recalls the contents of DR0 to the WCR.

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.

Features

• Four potentiometers in one package

• 2-wire serial interface

• Register oriented format

- Direct read/write/transfer of wiper positions

- Store as many as four positions per potentiometer

• Terminal Voltages: +5V, -3.0V

• Cascade resistor arrays

• Low power CMOS

• High Reliability

- Endurance–100,000 data changes per bit per register

- Register data retention–100 years

• 16-bytes of nonvolatile memory

• 3 resistor array values

- 2kΩ, 10kΩ, 50kΩ or combination

- Cascadable for values of 4kΩ to 200kΩ

• Resolution: 64 taps each pot

• 20 Ld plastic DIP, 20 Ld TSSOP and 20 Ld SOIC

packages

• Pb-free available (RoHS compliant)

Block Diagram

R0 R1

WIPER

COUNTER

(WCR)

R0 R1

WIPER

COUNTER

(WCR)

ARRAY

POT 2

R2 R3

SCL

SDA

DATA

R0 R1

INTERFACE

AND

CONTROL

CIRCUITRY

R2 R3

WIPER

COUNTER

(WCR)

ARRAY

POT 1

R0 R1

WIPER

COUNTER

(WCR)

ARRAY

POT 3

R2 R3

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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