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ISL22419

更新时间： 2024-09-28 04:44:51
品牌 Logo 应用领域
英特矽尔 - INTERSIL 电位器
页数 文件大小 规格书
13页 365K
描述
Single Digitally Controlled Potentiometer(XDCP) Low Noise, Low Power, SPI Bus, 128 Taps, Wiper Only

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ISL22419 数据手册

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ISL22419  
®
Single Digitally Controlled Potentiometer (XDCP™)  
Data Sheet  
®
June 28, 2006  
FN6311.0  
Low Noise, Low Power, SPI Bus, 128 Taps,  
Wiper Only  
Features  
• 128 resistor taps  
• SPI serial interface  
The ISL22419 integrates a single digitally controlled  
potentiometer (DCP) and non-volatile memory on a  
monolithic CMOS integrated circuit.  
• Non-volatile storage of wiper position  
• Wiper resistance: 70Ω typical @ 3.3V  
• Shutdown mode  
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 SPI  
serial 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.  
• Shutdown current 5µA max  
• Power supply: 2.7V to 5.5V  
• 50kΩ or 10kΩ total resistance  
• High reliability  
- Endurance: 1,000,000 data changes per bit per register  
- Register data retention: 50 years @ T ≤ 55 °C  
• 8 Lead MSOP  
The DCP can be used as a voltage divider in a wide variety  
of applications including control, parameter adjustments, AC  
measurement and signal processing.  
• Pb-free plus anneal product (RoHS compliant)  
Pinout  
ISL22419  
(8 LD MSOP)  
TOP VIEW  
SCK  
SDO  
SDI  
Vcc  
8
1
2
3
4
RW  
7
6
SHDN  
CS  
5
GND  
Ordering Information  
RESISTANCE OPTION  
TEMP. RANGE  
PART NUMBER  
PART MARKING  
419UZ  
(kΩ)  
(°C)  
PACKAGE  
8 Ld MSOP  
PKG. DWG. #  
ISL22419UFU8Z  
(Notes 1, 2)  
50  
-40 to +125  
M8.118  
(Pb-Free)  
ISL22419WFU8Z  
(Notes 1, 2)  
419WZ  
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  
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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ISL22419WFU8Z INTERSIL

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ISL22424TFR16Z RENESAS

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ISL22424TFR16Z-TK RENESAS

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 		Dual Digitally Controlled Potentiometer (XDCP™), Low Noise, Low Power, SPI&r
ISL22424TFV14Z INTERSIL

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ISL22424TFV14Z-TK RENESAS

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ISL22424UFR16Z INTERSIL

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ISL22424UFR16Z RENESAS

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