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ISL22346UFV20Z PDF预览

ISL22346UFV20Z

更新时间： 2024-01-08 19:38:41
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
16页 954K
描述
Quad Digitally Controlled Potentiometers (XDCP™) Low Noise, Low Power I2C™ Bus, 128 Taps

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ISL22346UFV20Z 数据手册

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DATASHEET  
ISL22346  
FN6177  
Rev 2.00  
September 3, 2009  
2
Quad Digitally Controlled Potentiometers (XDCP™) Low Noise, Low Power I C™  
Bus, 128 Taps  
The ISL22346 integrates four digitally controlled potentiometers  
(DCP) and non-volatile memory on a monolithic CMOS  
Features  
• Four potentiometers in one package  
• 128 resistor taps  
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  
2
• I C serial interface  
- Three address pins, up to eight devices/bus  
2
I C bus interface. Each potentiometer has an associated  
• Non-volatile storage of wiper position  
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.  
• Wiper resistance: 70typical @ V  
• Shutdown mode  
= 3.3V  
CC  
• Shutdown current 5µA max  
• Power supply: 2.7V to 5.5V  
• 50kor 10ktotal resistance  
• High reliability  
The DCPs can be used as a three-terminal potentiometers  
or as a 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 or 20 Ld TQFN package  
• Pb-free (RoHS compliant)  
Pinouts  
ISL22346  
(20 LD TSSOP)  
TOP VIEW  
ISL22346  
(20 LD TQFN)  
TOP VIEW  
RH3  
RL3  
RW3  
A2  
1
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
RW0  
RL0  
RH0  
SHDN  
VCC  
A1  
2
O
20 19 18 17 16  
3
RH1  
RL1  
15  
14  
1
RL0  
RW0  
RH3  
RL3  
4
2
3
4
SCL  
SDA  
GND  
RW2  
RL2  
RH2  
5
13 RW1  
6
RH2  
12  
7
A0  
RW3  
RL2  
11  
5
8
RH1  
RL1  
RW1  
9
6
7
8
9
10  
10  
FN6177 Rev 2.00  
September 3, 2009  
Page 1 of 16  
1234567...16

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ISL22346UFV20Z 替代型号

型号 品牌 替代类型 描述 数据表
X95840UV20IZ-2.7 INTERSIL

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