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DS1803

更新时间: 2024-11-24 22:40:35
品牌 Logo 应用领域
达拉斯 - DALLAS 转换器电位器数字电位计光电二极管
页数 文件大小 规格书
11页 287K
描述
Addressable Dual Digital Potentiometer

DS1803 技术参数

生命周期:Transferred包装说明:PLASTIC, DIP-16
Reach Compliance Code:unknown风险等级:5.66
控制接口:2-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDIP-T16功能数量:1
位置数:256端子数量:16
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装形状:RECTANGULAR
封装形式:IN-LINE认证状态:Not Qualified
电阻定律:LINEAR表面贴装:NO
温度等级:COMMERCIAL端子形式:THROUGH-HOLE
端子位置:DUALBase Number Matches:1

DS1803 数据手册

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DS1803  
Addressable Dual Digital Potentiometer  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
§ 3V or 5V Power Supplies  
§ Ultra-low power consumption  
§ Two digitally controlled, 256-position  
potentiometers  
§ 14-Pin TSSOP (173 mil) and 16-Pin SOIC  
(150 mil) packaging available for surface  
mount applications  
§ Addressable using 3-Chip Select Inputs  
§ Serial/Synchronous Bus Inputs  
§ Operating Temperature Range:  
H1  
L1  
1
2
3
4
14  
13  
12  
11  
10  
9
VCC  
NC  
W1  
A2  
H0  
L0  
A1  
5
W0  
SDA  
SCL  
A0  
6
7
GND  
8
DS1803 14-PIN TSSOP (173 MIL)  
-
Industrial: -40°C to +85°C  
§ Standard Resistance Values:  
-
-
-
DS1803-010  
DS1803-050  
DS1803-100  
10kW  
50kW  
100kW  
H1  
NC  
L1  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
VCC  
NC  
H0  
W1  
A2  
L0  
W0  
NC  
PIN DESCRIPTION  
A1  
L0, L1  
H0, H1  
W0,W1  
VCC  
A0..A2  
SDA  
SCL  
GND  
NC  
- Low End of Resistor  
A0  
SDA  
SCL  
- 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  
GND  
DS1803Z 16-PIN SOIC (150 MIL)  
DS1803 16-PIN DIP (300 MIL)  
See mech. Drawings Section  
DESCRIPTION  
The DS1803 Addressable Dual Digital Potentiometer is an addressable device having two independently  
controlled potentiometers. Each potentiometer’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 terminals and correct communication protocol.  
Addressing capability, when operating in a bus topology, allows up to eight devices to be controlled by  
the serial interface. 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 values: 10kW, 50kW, and 100kW, and is specified over the industrial temperature  
range.  
1 of 11  
101599  

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