X9241US Intersil, X9241US Datasheet

X9241US

Manufacturer Part Number

X9241US

Description

IC DCP QUAD 50K 64TP 20SOIC

Manufacturer

Intersil

Series

XDCP™r

Datasheets

1.X9241UP.pdf (16 pages)

2.X9241UP.pdf (18 pages)

Specifications of X9241US

Taps

Resistance (ohms)

50K

Number Of Circuits

Temperature Coefficient

30 ppm/°C Typical

Memory Type

Non-Volatile

Interface

I²C, 2-Wire Serial

Voltage - Supply

4.5 V ~ 5.5 V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

20-SOIC (7.5mm Width)

Resistance In Ohms

50K, 50K, 50K, 50K

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

X9241US

Manufacturer:

XICOR

Quantity:

20 000

Current page: 1 of 18
Download datasheet (359Kb)

Low Power/2-Wire Serial Bus

FEATURES

• Four potentiometers in one package

• 2-wire serial interface

• Register oriented format

• Terminal Voltages: ±5V

• Cascade resistor arrays

• Low power CMOS

• High Reliability

• 16-bytes of nonvolatile memory

• 3 resistor array values

• Resolution: 64 taps each pot

• 20-lead plastic DIP, 20-lead TSSOP and 20-lead

BLOCK DIAGRAM

REV 1.1.4 8/8/02

AN20 • AN42–48 • AN50-53 • AN73 • AN99 • AN115 • AN120 • AN124 • AN133 • AN134 • AN135

SCL

SDA

—Direct read/write/transfer of wiper positions

—Store as many as four positions per

—Endurance–100,000 data changes per bit per

—Register data retention–100 years

—2K Ω to 50K Ω mask programmable

—Cascadable for values of 500 Ω to 200K Ω

SOIC packages

potentiometer

Interface

Circuitry

Control

and

Data

Quad Digitally Controlled Potentiometer (XDCP

A V A I L A B L E

Counter

(WCR)

Wiper

www.xicor.com

X9241

Array

Pot 1

DESCRIPTION

The

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 Register (WCR) and 4

nonvolatile Data Registers (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.

X9241

integrates

Characteristics subject to change without notice.

Counter

(WCR)

Wiper

four

™

)

digitally

Array

Pot 2

Pot 3

controlled

1 of 18

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