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DS1807

更新时间： 2024-11-05 14:57:47
品牌 Logo 应用领域
亚德诺 - ADI 电位器
页数 文件大小 规格书
13页 463K
描述
可编址、双路音量调节电位器

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中文翻译

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DS1807 数据手册

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DS1807  
Addressable Dual Audio Taper Potentiometer  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
§ Operates from 3V or 5V Power Supplies  
§ Ultra-low power consumption  
§ Two digitally controlled, 65-position  
potentiometers  
GND  
A2  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
VCC  
SCL  
SDA  
AGND  
H1  
A1  
§ Logarithmic resistor characteristics (1 dB per  
A0  
step)  
W0  
L0  
§ Zero-crossing detection eliminates noise  
caused by discrete wiper changes  
§ Addressable using 3-Chip Select Inputs  
§ Serial/Synchronous Bus Inputs  
§ Operating Temperature Range:  
- Industrial: -40°C to +85°C  
L1  
H0  
8
W1  
DS1807 14-Pin DIP (300-mil)  
DS1807E 14-Pin TSSOP (173-mil)  
§ Standard Resistance Value: 45 kW  
GND  
A2  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
VCC  
NC  
A1  
SCL  
SDA  
AGND  
H1  
NC  
A0  
PIN DESCIPTION  
L0, L1  
H0, H1  
W0,W1  
VCC  
A0..A2  
SDA  
- Low End of Resistor  
- High End of Resistor  
- Wiper Terminal of Resistor  
- 3V/5V Power Supply Input  
- Chip Select Inputs  
- Serial Data I/O  
W0  
L0  
L1  
H0  
W1  
DS1807S 16-Pin SOIC (300-mil)  
See mech. Drawings Section  
SCL  
- Serial Clock Input  
- Ground  
- Analog Ground  
GND  
AGND  
NC  
- No connection  
DESCRIPTION  
The DS1807 Addressable Dual Audio Taper Potentiometer is a dual audio taper potentiometer having a  
logarithmic resistive characteristic. Each potentiometer has a total of 65 wiper positions including the  
mute position. Adjacent wiper positions are separated by 1 dB giving a total attenuation range of 64 dB.  
When the wipers are in the mute position, attenuation in excess of 90 dB is achieved. The DS1807 also  
provides a zero-crossing detection capability. This capability eliminates noise caused by discrete wiper  
position changes. The DS1807 is controlled via a two-input, serial synchronous interface that provides the  
capability of addressing up to eight different DS1807s. Addressability is obtained via communication  
protocol and three (3) address select inputs A0, A1, and A2. Communication protocol allows for the exact  
positioning of the DS1807 wiper’s position. Additionally, communication protocol allows for  
independent or simultaneous setting of the two potentiometers' wipers. Wiper positions can also be read  
via the 2-wire serial interface.  
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 		Digital Potentiometer, 45000ohm, 2-wire Serial Control Interface, 65 Positions, PDSO14, 0.
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 		Digital Potentiometer, 45000ohm, 2-wire Serial Control Interface, 65 Positions, PDSO14, PL
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 		Digital Potentiometer, 45000ohm, 2-wire Serial Control Interface, 65 Positions, PDIP14, PL
DS1807N ETC

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 		Interface IC
DS1807S DALLAS

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 		Addressable Dual Audio Taper Potentiometer
DS1807S+ MAXIM

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 		Digital Potentiometer, 2 Func, 45000ohm, 2-wire Serial Control Interface, 65 Positions, CM
DS1807S-IND DALLAS

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 		Digital Potentiometer, 45000ohm, 2-wire Serial Control Interface, 65 Positions, PDSO16, 0.
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 		Interface IC

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