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ISL22446WFRT20Z PDF预览

ISL22446WFRT20Z

更新时间： 2024-02-13 06:15:11
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
15页 559K
描述
Quad Digitally Controlled Potentiometer XDCP

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中文翻译

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ISL22446WFRT20Z 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TQFN, TSSOP包装说明：HVQCCN, LCC20,.16SQ,20
针数：20, 20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.83Base Number Matches：1

ISL22446WFRT20Z 数据手册

 浏览型号ISL22446WFRT20Z的Datasheet PDF文件第2页浏览型号ISL22446WFRT20Z的Datasheet PDF文件第3页浏览型号ISL22446WFRT20Z的Datasheet PDF文件第4页浏览型号ISL22446WFRT20Z的Datasheet PDF文件第5页浏览型号ISL22446WFRT20Z的Datasheet PDF文件第6页浏览型号ISL22446WFRT20Z的Datasheet PDF文件第7页 
ISL22446  
®
Quad Digitally Controlled Potentiometer (XDCP™)  
Data Sheet  
™
September 9, 2009  
FN6181.2  
Low Noise, Low Power, SPI Bus, 128 Taps  
Features  
The ISL22446 integrates four digitally controlled  
potentiometers (DCP) and non-volatile memory on a  
monolithic CMOS integrated circuit.  
• Four potentiometers in one package  
• 128 resistor taps  
• SPI serial interface  
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  
SPI serial 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  
DCP’s IVR to the corresponding WR.  
• Non-volatile storage of wiper position  
• Wiper resistance: 70Ω typical @ V  
• Shutdown mode  
= 3.3V  
CC  
• Shutdown current 5µA max  
• Power supply: 2.7V to 5.5V  
• 50kΩ or 10kΩ total resistance  
• High reliability  
The DCPs can be used as three-terminal potentiometers or  
as two-terminal variable resistors in a wide variety of  
applications including control, parameter adjustments, and  
signal processing.  
- Endurance: 1,000,000 data changes per bit per register  
- Register data retention: 50 years @ T < +55°C  
• 20 Ld TSSOP and 20 Ld TQFN package  
• Pb-free (RoHS compliant)  
Pinouts  
ISL22446  
(20 LD TSSOP)  
TOP VIEW  
ISL22446  
(20 LD TQFN)  
TOP VIEW  
RH3  
RL3  
RW3  
NC  
1
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
RW0  
RL0  
RH0  
SHDN  
VCC  
SDI  
2
O
20 19 18 17 16  
3
15  
RH1  
1
RL0  
RW0  
RH3  
RL3  
4
2
3
4
14 RL1  
SCK  
SDO  
GND  
RW2  
RL2  
RH2  
5
13  
RW1  
6
12  
RH2  
7
CS  
RW3  
5
11  
RL2  
8
RH1  
RL1  
RW1  
9
6
7
8
9
10  
10  
Ordering Information  
PART NUMBER  
(Note)  
PART  
MARKING  
RESISTANCE OPTION  
TEMP. RANGE  
(°C)  
PACKAGE  
(Pb-free)  
PKG.  
DWG. #  
(kΩ)  
ISL22446UFV20Z*  
ISL22446UFRT20Z*  
ISL22446WFV20Z*  
ISL22446WFRT20Z*  
22446 UFVZ  
224 46UFZ  
22446 WFVZ  
224 46WFZ  
50  
50  
10  
10  
-40 to +125  
-40 to +125  
-40 to +125  
-40 to +125  
20 Ld TSSOP  
20 Ld 4x4 TQFN  
20 Ld TSSOP  
20 Ld 4x4 TQFN  
M20.173  
L20.4x4A  
M20.173  
L20.4x4A  
*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.  
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, 2008, 2009. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  
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