X9241UVT5 datasheet, PDF - EEWORLD Datasheet

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X9241UVT5: DescriptionDigital Potentiometer, 4 Func, 50000ohm, 2-wire Serial Control Interface, 64 Positions, CMOS, PDSO20, PLASTIC, TSSOP-20; CategoryAnalog mixed-signal IC converter; File Size89KB，18 Pages; ManufacturerXicor Inc.

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X9241UVT5 Overview

Digital Potentiometer, 4 Func, 50000ohm, 2-wire Serial Control Interface, 64 Positions, CMOS, PDSO20, PLASTIC, TSSOP-20

X9241UVT5 Parametric

Parameter Name	Attribute value
Maker	Xicor Inc.
package instruction	PLASTIC, TSSOP-20
Reach Compliance Code	unknown
Other features	NONVOLATILE MEMORY
control interface	2-WIRE SERIAL
Converter type	DIGITAL POTENTIOMETER
JESD-30 code	R-PDSO-G20
length	6.5 mm
Number of functions	4
Number of positions	64
Number of terminals	20
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status	Not Qualified
resistance law	LINEAR
Maximum resistor tolerance	20%
Maximum resistor terminal voltage	5 V
Minimum resistor terminal voltage	-5 V
Maximum seat height	1.2 mm
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Nominal temperature coefficient	300 ppm/°C
Temperature level	COMMERCIAL
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Nominal total resistance	50000 Ω
width	4.4 mm

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PPLICATION

OTE

A V A I L A B L E

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

Low Power/2-Wire Serial Bus

X9241

Quad Digitally Controlled Potentiometer (XDCP

™

)

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

• Cascade resistor arrays

• Low power CMOS

• High Reliability

—Endurance–100,000 data changes per bit per

—Register data retention–100 years

• 16-bytes of nonvolatile memory

• 3 resistor array values

—2K

Ω

to 50K

Ω

mask programmable

—Cascadable for values of 500

Ω

to 200K

Ω

• Resolution: 64 taps each pot

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

SOIC packages

DESCRIPTION

The X9241 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 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.

BLOCK DIAGRAM

R0 R1

Wiper

Counter

(WCR)

R0 R1

Wiper

Counter

(WCR)

Array

Pot 2

R2 R3

SCL

SDA

R2 R3

Interface

and

Control

Circuitry

Data

R0 R1

Wiper

Counter

(WCR)

Array

Pot 1

R0 R1

Wiper

Counter

(WCR)

Array

Pot 3

R2 R3

REV 1.1 10/6/00

www.xicor.com

Characteristics subject to change without notice.

1 of 18

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