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Intersil Corporation - Dual Digital Controlled Potentiometers

Numéro de référence X95820
Description Dual Digital Controlled Potentiometers
Fabricant Intersil Corporation 
Logo Intersil Corporation 





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X95820 fiche technique
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Data Sheet
X95820
Dual Digital Controlled Potentiometers (XDCP™)
July 18, 2006
FN8212.2
Low Noise/Low Power/I2C® Bus/256 Taps
The X95820 integrates two digitally controlled
potentiometers (XDCP) on a monolithic CMOS integrated
circuit.
The digitally controlled potentiometers are implemented with
a combination of resistor elements and CMOS switches. The
position of the wipers are controlled by the user through the
I2C bus interface. Each potentiometer has an associated
volatile Wiper Register (WR) and a non-volatile Initial Value
Register (IVR), that can be directly written to and read by the
user. The contents of the WR controls the position of the
wiper. At power up the device recalls the contents of the two
DCP’s IVR to the corresponding WRs.
The DCPs can be used as three-terminal potentiometers or
as two-terminal variable resistors in a wide variety of
applications including control, parameter adjustments, and
signal processing.
Ordering Information
PART NUMBER
PART RESISTANCE
MARKING
OPTION PACKAGE
www.DataSheet4U.comX95820WV14I-2.7* X95820WV G
X95820WV14IZ-2.7* X95820WV Z G
(Note)
10kΩ
10kΩ
14 Ld TSSOP
14 Ld TSSOP
(Pb-free)
X95820UV14I-2.7* X95820UV G
50kΩ 14 Ld TSSOP
X95820UV14IZ-2.7* X95820UV Z G
(Note)
50kΩ
14 Ld TSSOP
(Pb-free)
*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.
Features
• Two potentiometers in one package
• 256 resistor taps-0.4% resolution
• I2C serial interface
- Three address pins, up to eight devices/bus
• Wiper resistance: 70Ω typical @ 3.3V
• Non-volatile storage of wiper position
• Standby current < 5µA max
• Power supply: 2.7V to 5.5V
• 50kΩ, 10kΩ total resistance
• High reliability
- Endurance: 150,000 data changes per bit per register
- Register data retention: 50 years @ T 75°C
• 14 Ld TSSOP
• Pb-free plus anneal available (RoHS compliant)
Pinouts
VCC
WP
RH0
RL0
RW0
A2
SCL
X95820
(14 LD TSSOP)
TOP VIEW
1 14
2 13
3 12
4 11
5 10
69
78
A1
A0
RH1
RL1
RW1
GND
SDA
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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