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X9428YP

Description
Hook-Up Wire; Conductor Size AWG:18; No. Strands x Strand Size:19 x 30; Jacket Color:White; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes
File Size345KB,20 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
Download Datasheet View All

X9428YP Overview

Hook-Up Wire; Conductor Size AWG:18; No. Strands x Strand Size:19 x 30; Jacket Color:White; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes

®
X9428
Low Noise/Low Power/2-Wire Bus
Data Sheet
March 8, 2005
FN8197.0
Single Digitally Controlled Potentiometer
(XDCP™)
FEATURES
• Solid state potentiometer
• 2-wire serial interface
• Register oriented format
—Direct Read/Write/Transfer Wiper Position
—Store as many as Four Positions per
Potentiometer
• Power supplies
—V
CC
= 2.7V to 5.5V
—V+ = 2.7V to 5.5V
—V– = -2.7V to -5.5V
• Low power CMOS
—Standby current < 1µA
—Ideal for Battery Operated Applications
• High reliability
—Endurance–100,000 Data Changes per Bit per
Register
—Register Data Retention–100 years
• 4-bytes of nonvolatile memory
• 10kΩ resistor array
• Resolution: 64 taps each potentiometer
• SOIC and TSSOP packages
BLOCK DIAGRAM
V
CC
V
SS
V+
V–
DESCRIPTION
The X9428 integrates a 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.
SCL
SDA
A0
A2
A3
Data
WP
Interface
and
Control
Circuitry
R0 R1
8
R2 R3
Wiper
Counter
Register
(WCR)
V
H
/R
H
V
L
/R
L
V
W
/R
W
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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