®
X95820
Dual Digital Controlled Potentiometers (XDCP™)
Data Sheet
July 18, 2006
FN8212.2
Low Noise/Low Power/I
2
C
®
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
I
2
C 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.
Features
• Two potentiometers in one package
• 256 resistor taps-0.4% resolution
• I
2
C 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)
Ordering Information
PART NUMBER
X95820WV14I-2.7*
PART
MARKING
X95820WV G
RESISTANCE
OPTION
10kΩ
10kΩ
50kΩ
50kΩ
PACKAGE
14 Ld TSSOP
14 Ld TSSOP
(Pb-free)
14 Ld TSSOP
14 Ld TSSOP
(Pb-free)
Pinouts
X95820
(14 LD TSSOP)
TOP VIEW
V
CC
WP
RH0
RL0
RW0
A2
SCL
1
2
3
4
5
6
7
14
13
12
11
10
9
8
A1
A0
RH1
RL1
RW1
GND
SDA
X95820WV14IZ-2.7* X95820WV Z G
(Note)
X95820UV14I-2.7*
X95820UV G
X95820UV14IZ-2.7* X95820UV Z G
(Note)
*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.
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 [ INTERSIL CORPORATION ]
