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ISL22329UFU10Z 数据表(PDF) 1 Page - Intersil Corporation

部件名 ISL22329UFU10Z
功能描述  Dual Digitally Controlled Potentiometers XDCP
Download  13 Pages
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制造商  INTERSIL [Intersil Corporation]
网页  http://www.intersil.com/cda/home
标志 INTERSIL - Intersil Corporation

ISL22329UFU10Z 数据表(HTML) 1 Page - Intersil Corporation

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1
®
FN6330.2
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, 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL22329
Dual Digitally Controlled Potentiometers (XDCP™)
Low Noise, Low Power, I2CBus, 128 Taps,
Wiper Only
The ISL22329 integrates two digitally controlled
potentiometers (DCP) and non-volatile memory 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 a voltage divider in a wide variety
of applications including control, parameter adjustments, AC
measurement and signal processing.
Features
• Two potentiometers in one package
• 128 resistor taps
•I2C serial interface
- Three address pins, up to eight 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 @ T < +55°C
•10 Ld MSOP
• Pb-free (RoHS compliant)
Pinout
ISL22329
(10 LD MSOP)
TOP VIEW
1
2
3
4
56
10
9
8
7
SCL
RW1
GND
SDA
RW0
A2
A0
A1
VCC
SHDN
Ordering Information
PART NUMBER
(Note)
PART MARKING
RESISTANCE OPTION
(k
Ω)
TEMP. RANGE
(°C)
PACKAGE
(Pb-free)
PKG. DWG. #
ISL22329UFU10Z*
329UZ
50
-40 to +125
10 Ld MSOP
M10.118
ISL22329WFU10Z*
329WZ
10
-40 to +125
10 Ld MSOP
M10.118
*Add “-TK” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100%
matte tin plate plus anneal (e3 termination finish, which is 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.
Data Sheet
September 4, 2009


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