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DS1803-50 PDF预览

DS1803-50

更新时间： 2024-02-21 06:44:56
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页数 文件大小 规格书
10页 76K
描述
IC-50K DUAL POT

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中文翻译

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DS1803-50 数据手册

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DS1803  
DS1803  
Addressable Dual Digital Potentiometer  
FEATURES  
PIN ASSIGNMENT  
• 3V or 5V Power Supplies  
H1  
L1  
1
2
3
4
5
14  
13  
12  
11  
10  
VCC  
NC  
H0  
• Ultra–low power consumption  
W1  
A2  
A1  
• Two digitally controlled, 256–position potentiometers  
L0  
• 14–Pin TSSOP (173 mil) and 16–Pin SOIC (150 mil)  
packaging available for surface mount applications  
W0  
A0  
6
7
9
8
SDA  
SCL  
• Addressable using 3–Chip Select Inputs  
• Serial/Synchronous Bus Interface  
• Operating Temperature  
GND  
DS1803E 14–PIN TSSOP (173 MIL)  
–
Industrial: –40°C to +85°C  
H1  
NC  
L1  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
VCC  
NC  
• Standard Resistance Values:  
H0  
–
–
–
DS1803–010  
DS1803–050  
DS1803–100  
10KΩ  
50KΩ  
100KΩ  
W1  
A2  
L0  
W0  
NC  
A1  
A0  
SDA  
SCL  
GND  
DS1803Z 16–PIN SOIC (150 MIL)  
DS1803 16–PIN DIP (300 MIL)  
See Mech. Drawings  
Section  
PIN DESCRIPTION  
L0, L1  
H0, H1  
W0, W1  
–
–
–
–
–
–
–
–
–
Low End of Resistor  
High End of Resistor  
Wiper Terminal of Resistor  
3V/5V Power Supply Input  
Chip Select Inputs  
Serial Data I/O  
Serial Clock Input  
Ground  
No connection  
V
CC  
A0 ..A2  
SDA  
SCL  
GND  
NC  
DESCRIPTION  
The DS1803 is an addressable device having two inde-  
pendentlycontrolledpotentiometers. Eachpotentiome-  
ter’s wiper can be set to one of 256 positions. Device  
control is achieved via a 2–wire serial interface having a  
data I/O terminal and a clock input terminal. Device  
addressing is provided through three chip select input  
terminalsand correct communication protocol. Addres-  
singcapability, when operating in a bus topology, allows  
up to eight devices to be controlled by the serial inter-  
face. The exact wiper position of each potentiometer  
can be written or read. The DS1803 is available in a  
16–pin DIP, 16–pin SOIC and 14–pin TSSOP package.  
The device is available in three standard resistance val-  
ues: 10KΩ, 50KΩ, and 100KΩ, and is specified over the  
industrial temperature range.  
ECopyright 1995 by Dallas Semiconductor Corporation.  
All Rights Reserved. For important information regarding  
patents and other intellectual property rights, please refer to  
Dallas Semiconductor data books.  
062097 1/10  
1234567...10

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DS1803E-010/T&R MAXIM

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 		Digital Potentiometer, 2 Func, 10000ohm, 2-wire Serial Control Interface, 256 Positions, P
DS1803E-010+T&R MAXIM

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DS1803E-010-IND DALLAS

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DS1803E-050 DALLAS

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 		Addressable Dual Digital Potentiometer
DS1803E-050 MAXIM

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 		Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, C
DS1803E-050/T&R MAXIM

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 		Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, P
DS1803E-050+ MAXIM

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 		Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, C
DS1803E-050-IND DALLAS

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DS1803E-100 DALLAS

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 		Addressable Dual Digital Potentiometer

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