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ISL22319UFU8Z Datasheet(PDF) 1 Page - Intersil Corporation

No. de pieza ISL22319UFU8Z
Descripción Electrónicos  Single Digitally Controlled Potentiometer XDCP
Download  13 Pages
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Fabricante Electrónico  INTERSIL [Intersil Corporation]
Página de inicio  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL22319UFU8Z Datasheet(HTML) 1 Page - Intersil Corporation

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1
®
FN6310.0
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) and XDCP are registered trademarks of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL22319
Single Digitally Controlled Potentiometer (XDCP™)
Low Noise, Low Power, I2C® Bus,
128 Taps, Wiper Only
The ISL22319 integrates a single digitally controlled
potentiometer (DCP) and non-volatile memory 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 wipers are 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 contents of the WR controls the position of the
wiper. At power up the device recalls the content of the
DCP’s IVR to the WR.
The DCP can be used as a voltage divider in a wide variety
of applications including control, parameter adjustments, AC
measurement and signal processing.
Features
• 128 resistor taps
•I2C serial interface
- Two address pins, up to four devices/bus
• Non-volatile storage of wiper position
• Wiper resistance: 70
Ω typical @ 3.3V
• Shutdown mode
• Shutdown current 5µA max
• Power supply: 2.7V to 5.5V
•50k
Ω or 10kΩ total resistance
• High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @
°
C
• 8 Ld MSOP
• Pb-free plus anneal product (RoHS compliant)
Pinout
ISL22319
(8 LD MSOP)
TOP VIEW
1
2
3
4
8
7
6
5
SDA
A0
A1
VCC
SCL
GND
SHDN
RW
T55
Ordering Information
PART NUMBER
PART MARKING
RESISTANCE OPTION
(k
Ω)
TEMP. RANGE
(°C)
PACKAGE
PKG. DWG. #
ISL22319UFU8Z
(Notes 1, 2)
319UZ
50
-40 to +125
8 Ld MSOP
(Pb-Free)
M8.118
ISL22319WFU8Z
(Notes 1, 2)
319WZ
10
-40 to +125
8 Ld MSOP
(Pb-Free)
M8.118
NOTES:
1. 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. Add “-TK” suffix for 1,000 Tape and Reel option
Data Sheet
July 3, 2006


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