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參數(shù)資料
| 型號： | DS1801 |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Dual Audio Taper Potentiometer |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 229K |
| 代理商： | DS1801 |
DS1801
2 of 10
OPERATION
The DS1801 provides two 65-position potentiometers per package, each having a logarithmic resistive
characteristic as shown in Table 1. The DS1801 is controlled by a 3-wire serial interface. The 3-wire
serial interface is designed for CPU-controlled applications and allows the potentiometer’s exact wiper
position to be read or written. The DS1801 design supports daisy-chaining for multi-device
environments.
Figure 1 presents a block diagram of the DS1801. As shown, the inputs from the 3-wire serial interface
drive a command/control unit. The command/control unit interprets these inputs for control of the two
potentiometers.
On power-up, the serial port is stable and active within 10 microseconds. The wiper position on power-up
will be at position 63, the low end of the potentiometer. Position 64 is the mute level.
RESISTANCE CHARACTERISTICS
Table 1
POSITION
0
1
2
3
4
5
OUTPUT LEVEL (dB)
0
-1
-2
-3
-4
-5
63
-63
<-90
64(mute)
DS1801 BLOCK DIAGRAM
Figure 1
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1801+ | 功能描述:數(shù)字電位計 IC Dual Audio Taper Potentiometer RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1801E | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual Audio Taper Potentiometer |
| DS1801E-014 | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1801E-014/T&R | 制造商:Maxim Integrated Products 功能描述:DUAL AUDIO TAPER POT 14L TSSOP T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT DUAL AUDIO TAPER 14-TSSOP |
| DS1801E-014/T&R | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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