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ISL22329

更新时间： 2024-02-12 19:50:31
品牌 Logo 应用领域
英特矽尔 - INTERSIL 电位器
页数 文件大小 规格书
12页 334K
描述
Dual Digitally Controlled Potentiometers

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ISL22329 数据手册

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ISL22329  
®
Dual Digitally Controlled Potentiometers (XDCP™)  
Data Sheet  
September 26, 2006  
FN6330.1  
2 ®  
Low Noise, Low Power, I C Bus, 128 Taps,  
Wiper Only  
Features  
• Two potentiometers in one package  
• 128 resistor taps  
The ISL22329 integrates two digitally controlled  
potentiometers (DCP) and non-volatile memory on a  
monolithic CMOS integrated circuit.  
2
• I C serial interface  
- Three address pins, up to eight devices/bus  
• Non-volatile storage of wiper position  
• Wiper resistance: 70Ω typical @ 3.3V  
• Shutdown mode  
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  
2
I 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.  
• Shutdown current 5µA max  
• Power supply: 2.7V to 5.5V  
• 50kΩ or 10kΩ total resistance  
The DCPs can be used as a voltage divider in a wide variety  
of applications including control, parameter adjustments, AC  
measurement and signal processing.  
• High reliability  
- Endurance: 1,000,000 data changes per bit per register  
- Register data retention: 50 years @ T < +55°C  
Pinout  
• 10 Ld MSOP  
ISL22329  
(10 LD MSOP)  
TOP VIEW  
• Pb-free plus anneal product (RoHS compliant)  
A2  
SCL  
SDA  
GND  
RW1  
RW0  
1
2
3
4
5
10  
9
SHDN  
V
8
CC  
A1  
A0  
7
6
Ordering Information  
RESISTANCE OPTION  
TEMP. RANGE  
PART NUMBER  
PART MARKING  
329UZ  
(kΩ)  
(°C)  
PACKAGE  
10 Ld MSOP  
PKG. DWG. #  
ISL22329UFU10Z  
(Notes 1, 2)  
50  
10  
-40 to +125  
M10.118  
(Pb-free)  
ISL22329WFU10Z  
(Notes 1, 2)  
329WZ  
-40 to +125  
10 Ld MSOP  
(Pb-free)  
M10.118  
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  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
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.  
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