ISL95810UIRT8Z-T View Datasheet(PDF) - Intersil
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ISL95810UIRT8Z-T Datasheet PDF : 13 Pages
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ISL95810
®
Single Digitally Controlled Potentiometer (XDCP™)
Data Sheet
October 7, 2005
FN8090.1
Low Noise, Low Power I2C Bus, 256 Taps
The ISL95810 integrates a digitally controlled potentiometer
(XDCP) on a monolithic CMOS integrated circuit.
The digitally controlled potentiometer is implemented with a
combination of resistor elements and CMOS switches. The
position of the wiper is controlled by the user through the I2C
bus interface. The 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 content of the WR controls the position of the wiper. At
power-up the device recalls the contents of the DCP’s IVR to
the WR.
The DCP can be used as three-terminal potentiometer or as
two-terminal variable resistor in a wide variety of applications
including control, parameter adjustments, and signal
processing.
Features
• 256 resistor taps - 0.4% resolution
• I2C serial interface
• 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: 200,000 data changes per bit per register
- Register data retention: 50 years @ T ≤ 75°C
• 8 Ld MSOP and 8 Ld TDFN packaging
• Pb-free plus anneal available (RoHS compliant)
Ordering Information
Pinout
PART RTOTAL
TEMP
PART NUMBER MARKING (kΩ) RANGE (°C) PACKAGE
ISL95810WIU8*
AIU
10
-40 to 85 8 Ld MSOP
ISL95810WIU8Z*
(Note)
-40 to 85 8 Ld MSOP
(Pb-free)
ISL95810WIRT8Z*
(Note)
-40 to 85 8 Ld 3 x 3 TDFN
(Pb-free)
ISL95810UIU8*
AIT
50
-40 to 85 8 Ld MSOP
ISL95810UIU8Z*
(Note)
AOK
-40 to 85 8 Ld MSOP
(Pb-free)
ISL95810UIRT8Z*
(Note)
-40 to 85 8 Ld 3 x 3 TDFN
(Pb-free)
*Add “-T” 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.
ISL95810
(8 LD MSOP)
TOP VIEW
WP
1
SCL
2
SDA
3
GND
4
8
VCC
7
RH
6
RL
5
RW
ISL95810
(8 LD TDFN)
TOP VIEW
WP 1
SCL 2
SDA 3
GND 4
8 VCC
7 RH
6 RL
5 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 Corporation. Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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