X9319 Datasheet: Digitally Controlled Potentiometer





X9319 Digitally Controlled Potentiometer Datasheet

Part Number X9319
Description Digitally Controlled Potentiometer
Manufacture Intersil Corporation
Total Page 10 Pages
PDF Download Download X9319 Datasheet PDF

Features: ® X9319 Data Sheet September 26, 2006 FN8185.2 Digitally Controlled Potentio meter (XDCP™) FEATURES • • • • • Solid-state potentiometer 3-w ire serial interface Terminal voltage, 0 to +10V 100 wiper tap points —Wiper position stored in nonvolatile memory and recalled on power-up 99 resistive e lements —Temperature compensated —E nd to end resistance range ±20% Low po wer CMOS —VCC = 5V —Active current, 3mA max. —Standby current, 1mA max. High reliability —Endurance, 100,000 data changes per bit —Register data r etention, 100 years RTOTAL value = 10k and 50kΩ Packages —8 Ld SOIC and P DIP Pb-free plus anneal available (RoHS compliant) DESCRIPTION The Intersil X 9319 is a digitally controlled potentio meter (XDCP). The device consists of a resistor array, wiper switches, a contr ol section, and nonvolatile memory. The wiper position is controlled by a 3-wi re interface. The potentiometer is impl emented by a resistor array composed of 99 resistive elements and a wiper switching network. Betwee.

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®
Data Sheet
September 26, 2006
X9319
FN8185.2
Digitally Controlled Potentiometer
(XDCP)
FEATURES
• Solid-state potentiometer
• 3-wire serial interface
• Terminal voltage, 0 to +10V
• 100 wiper tap points
—Wiper position stored in nonvolatile memory
and recalled on power-up
• 99 resistive elements
—Temperature compensated
—End to end resistance range ±20%
• Low power CMOS
—VCC = 5V
—Active current, 3mA max.
—Standby current, 1mA max.
• High reliability
—Endurance, 100,000 data changes per bit
—Register data retention, 100 years
• RTOTAL value = 10kΩ and 50kΩ
• Packages
—8 Ld SOIC and PDIP
www.DataSheet4U.com Pb-free plus anneal available (RoHS compliant)
APPLICATIONS
• LCD bias control
• DC bias adjustment
• Gain and offset trim
• Laser diode bias control
• Voltage regulator output control
DESCRIPTION
The Intersil X9319 is a digitally controlled potentiometer
(XDCP). The device consists of a resistor array, wiper
switches, a control section, and nonvolatile memory.
The wiper position is controlled by a 3-wire interface.
The potentiometer is implemented by a resistor array
composed of 99 resistive elements and a wiper switch-
ing network. Between each element and at either end
are tap points accessible to the wiper terminal. The
position of the wiper element is controlled by the CS,
U/D, and INC inputs. The position of the wiper can be
stored in nonvolatile memory and then be recalled
upon a subsequent power-up operation.
The device can be used as a three-terminal potentiometer
for voltage control or as a two-terminal variable resistor for
current control in a wide variety of applications.
PIN CONFIGURATION
PDIP/SOIC
INC
U/D
RH
VSS
18
2 X9319 7
36
45
VCC
CS
RL
RW
BLOCK DIAGRAM
VCC (Supply Voltage)
Up/Down
(U/D)
Increment
(INC)
Device Select
(CS)
Control
and
Memory
VSS (Ground)
General
U/D
INC
CS
RH
RW
RL
VVCSSC
Up/Down
Counter
7-Bit
Nonvolatile
Memory
Store and
Recall
Control
Circuitry
99
98
97
One 96
of
One
Hundred
Decoder
2
1
0
Wiper
Switches
Resistor
Array
Detailed
RH
RL
RW
1 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.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

                    
        






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