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Intersil Electronic Components Datasheet

X9268 Datasheet

Dual Digitally-Controlled Potentiometers

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®
Data Sheet
X9268
Dual Supply/Low Power/256-Tap/2-Wire Bus
August 29, 2006
FN8172.4
Dual Digitally-Controlled (XDCP™)
Potentiometers
FEATURES
• Dual–Two Separate Potentiometers
• 256 Resistor Taps/Pot–0.4% Resolution
• 2-Wire Serial Interface for Write, Read, and
Transfer Operations of the Potentiometer
Wiper Resistance, 100typical @ V+ = 5V,
V- = -5V
• 16 Nonvolatile Data Registers for Each
Potentiometer
• Nonvolatile Storage of Multiple Wiper Positions
• Power-on Recall. Loads Saved Wiper Position
on Power-up.
• Standby Current <5µA Max
• VCC: ±2.7V to ±5.5V Operation
• 50k, 100kVersions of End to End Pot
Resistance
• Endurance: 100,000 Data Changes per Bit per
Register
• 100 yr. Data Retention
• 24 Ld SOIC
www.DataSheet4U.com Low Power CMOS
• Power Supply VCC = ±2.7V to ±5.5V
V+ = 2.7V to 5.5V
V- = -2.7V to -5.5V
• Pb-Free Plus Anneal Available (RoHS Compliant)
FUNCTIONAL DIAGRAM
DESCRIPTION
The X9268 integrates 2 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. Each potentiometer has
associated with it a volatile Wiper Counter Register
(WCR) and a four nonvolatile Data Registers 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 though the switches. Powerup
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.
VCC
V+
2-Wire
Bus
Interface
Address
Data
Status
Bus
Interface
and Control
Write
Read
Transfer
Inc/Dec
Control
Power-on Recall
Wiper Counter
Registers (WCR)
Data Registers
(DR0–DR3)
RH0
RH1
VSS
V- RW0 RL0 RW1 RL1
50kor 100kversions
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.


Intersil Electronic Components Datasheet

X9268 Datasheet

Dual Digitally-Controlled Potentiometers

No Preview Available !

X9268
Ordering Information
PART NUMBER
X9268TS24
X9268TS24Z (Note)
X9268TS24I
X9268TS24IZ (Note)
X9268US24
PART
MARKING
X9268TS
X9268TS Z
X9268TS I
X9268TS ZI
X9268US
VCC LIMITS POTENTIOMETER TEMP. RANGE
(V) ORGANIZATION (k)
(°C)
PACKAGE
5 ±10%
100
0 to +70 24 Ld SOIC (300mil)
0 to +70 24 Ld SOIC (300mil) (Pb-free)
-40 to +85 24 Ld SOIC (300mil)
-40 to +85 24 Ld SOIC (300mil) (Pb-free)
50 0 to +70 24 Ld SOIC (300mil)
PKG.
DWG. #
M24.3
M24.3
M24.3
M24.3
M24.3
X9268US24Z (Note) X9268US Z
0 to +70 24 Ld SOIC (300mil) (Pb-free) M24.3
X9268US24I
X9268US I
-40 to +85 24 Ld SOIC (300mil)
M24.3
X9268US24IZ (Note) X9268US ZI
-40 to +85 24 Ld SOIC (300mil) (Pb-free) M24.3
X9268TS24I-2.7
X9268TS G
2.7 to 5.5
100
-40 to +85 24 Ld SOIC (300mil)
M24.3
X9268TS24IZ-2.7 (Note) X9268TS ZG
-40 to +85 24 Ld SOIC (300mil) (Pb-Free) M24.3
*Add "T1" suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
2 FN8172.4
August 29, 2006


Part Number X9268
Description Dual Digitally-Controlled Potentiometers
Maker Intersil Corporation
Total Page 22 Pages
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