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Intersil Corporation - Quad Digital Controlled Potentiometers

Numéro de référence X95840
Description Quad Digital Controlled Potentiometers
Fabricant Intersil Corporation 
Logo Intersil Corporation 





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X95840 fiche technique
X95840
®
Quad Digital Controlled Potentiometers (XDCP™)
Data Sheet
July 5, 2006
FN8213.2
Low Noise/Low Power/I2C® Bus/256 Taps
The X95840 integrates four 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 four
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.comX95840WV20I-2.7* X95840WV G
X95840WV20IZ-2.7* X95840WV Z G
(Note)
10kΩ
10kΩ
20 Ld TSSOP
20 Ld TSSOP
(Pb-free)
X95840UV20I-2.7* X95840UV G
50kΩ 20 Ld TSSOP
X95840UV20IZ-2.7* X95840UV Z G
(Note)
50kΩ
20 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
• Four 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
• 20 Ld TSSOP
• Pb-Free Plus Anneal Available (RoHS Compliant)
Pinouts
X95840
(20 LD TSSOP)
TOP VIEW
RH3
RL3
RW3
A2
SCL
SDA
GND
RW2
RL2
RH2
1
2
3
4
5
6
7
8
9
10
20 RW0
19 RL0
18 RH0
17 WP
16 VCC
15 A1
14 A0
13 RH1
12 RL1
11 RW1
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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