X9279TV14ZT1 datasheet, PDF - EEWORLD Datasheet

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X9279TV14ZT1: Descriptiondigital potentiometer ics single dcp 100kohm 256 taps 2-wire; Categorysemiconductor Other integrated circuit (IC); File Size296KB，18 Pages; ManufacturerIntersil ( Renesas ); Websitehttp://www.intersil.com/cda/home/; Environmental Compliance

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X9279TV14ZT1 Overview

digital potentiometer ics single dcp 100kohm 256 taps 2-wire

X9279TV14ZT1 Parametric

Parameter Name	Attribute value
Manufacture	Intersil
Product Category	Digital Potentiometer ICs
RoHS	Yes
Resistance	100 kOhms
Number of POTs	Single
Taps per POT	256
Wiper Memory	Non Volatile
Digital Interface	Serial (2-Wire)
Operating Supply Voltage	5 V
Supply Curre	3 mA
Maximum Operating Temperature	+ 70 C
Package / Case	TSSOP-14
Packaging	Reel
Minimum Operating Temperature	0 C
Factory Pack Quantity	2500
Supply Voltage - Max	5.5 V
Supply Voltage - Mi	4.5 V

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X9279

Single Supply/Low Power/256-Tap/2-Wire Bus

Data Sheet

September 23, 2009

FN8175.4

Single Digitally-Controlled (XDCP™)

Potentiometer

The X9279 integrates a single digitally controlled

potentiometer (XDCP) on a monolithic CMOS integrated

circuit.

The digital controlled potentiometer is implemented using

255 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. The

potentiometer has associated with it a volatile Wiper Counter

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.

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

• 256 Resistor Taps

• 2-Wire Serial Interface for Write, Read, and Transfer

Operations of the Potentiometer

• Wiper Resistance, 100Ω Typical @ 5V

• 16 Non-volatile Data Registers for Each Potentiometer

• 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

• 50kΩ, 100kΩ Versions of End-to-End Resistance

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

• 100 yr. Data Retention

• 14 Ld TSSOP

• Low Power CMOS

• Pb-Free Available (RoHS Compliant)

Functional Diagram

2-WIRE

BUS

INTERFACE

ADDRESS

DATA

STATUS

BUS

INTERFACE

AND

CONTROL

WRITE

READ

TRANSFER

INC/DEC

POWER-ON RECALL

WIPER COUNTER

DATA REGISTERS

16 BYTES

WIPER

50kΩ and 100kΩ

256-TAPS

POT

CONTROL

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.

X9279TV14ZT1 Related Products

	X9279TV14ZT1	X9279UV14ZT1	X9279TV14Z-2.7	X9279TV14Z-2.7T1	X9279UV14Z-2.7T1	X9279TV14IZ-2.7T1	X9279UV14IZ-2.7T1
Description	digital potentiometer ics single dcp 100kohm 256 taps 2-wire	digital potentiometer ics single dcp 50kohm 256 taps 2-wire	digital potentiometer ics single dcp 100kohm 256 taps 2-wire	digital potentiometer ics single dcp 100kohm 256 taps 2-wire	digital potentiometer ics single dcp 50kohm 256 taps 2-wire	digital potentiometer ics single dcp 100kohm 256 taps 2-wire	digital potentiometer ics single dcp 50kohm 256 taps 2-wire
Manufacture	Intersil	Intersil	Intersil	Intersil	Intersil	-	-
Product Category	Digital Potentiometer ICs	Digital Potentiometer ICs	Digital Potentiometer ICs	Digital Potentiometer ICs	Digital Potentiometer ICs	-	-
RoHS	Yes	Yes	Yes	Yes	Yes	-	-
Resistance	100 kOhms	50 kOhms	100 kOhms	100 kOhms	50 kOhms	-	-
Number of POTs	Single	Single	Single	Single	Single	-	-
Taps per POT	256	256	256	256	256	-	-
Wiper Memory	Non Volatile	Non Volatile	Non Volatile	Non Volatile	Non Volatile	-	-
Digital Interface	Serial (2-Wire)	Serial (2-Wire)	Serial (2-Wire)	Serial (2-Wire)	Serial (2-Wire)	-	-
Operating Supply Voltage	5 V	5 V	3.3 V, 5 V	3.3 V, 5 V	3.3 V, 5 V	-	-
Supply Curre	3 mA	3 mA	3 mA	3 mA	3 mA	-	-
Maximum Operating Temperature	+ 70 C	+ 70 C	+ 70 C	+ 70 C	+ 70 C	-	-
Package / Case	TSSOP-14	TSSOP-14	TSSOP-14	TSSOP-14	TSSOP-14	-	-
Packaging	Reel	Reel	Tube	Reel	Reel	-	-
Minimum Operating Temperature	0 C	0 C	0 C	0 C	0 C	-	-
Factory Pack Quantity	2500	2500	95	2500	2500	-	-
Supply Voltage - Max	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	-	-
Supply Voltage - Mi	4.5 V	4.5 V	2.7 V	2.7 V	2.7 V	-	-

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