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參數資料
| 型號： | DS1802E+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 14/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DL AUDIO TAP W/PB 20TSSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 74 |
| 接片： | 64 |
| 電阻（歐姆）： | 45k |
| 電路數： | 2 |
| 溫度系數： | 標準值 750 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | 3 線串行，按鈕 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 20-TSSOP |
| 包裝： | 管件 |
DS1802
6 of 17
Pulse inputs lasting longer than 1 second will cause the wiper to move one position every 100 ms
following the initial 1 second hold time. The total time to transcend the entire potentiometer using a
continuous input pulse is given by the formula below:
1 (second) + 63 X 100 ms =7.3 (seconds)
Single Contact Closure
Single contact closure operation allows the user to control wiper movement in either direction from a
single pushbutton input. Figure 2(a), as mentioned, presents a typical single pushbutton configuration.
In independent mode control, the UC0 and UC1 inputs are used to increment and decrement each
respective wiper position for single pushbutton mode of operation. The DC0 and DC1 inputs provide no
functionality in the single pushbutton configuration but must be connected to the positive supply voltage
(VCC). In stereo mode control, the VU and B0 inputs are used to control volume and balance. The VD and
B1 inputs provide no functionality in the single pushbutton configuration but must be connected to the
positive supply voltage (VCC). The 3-wire serial port inputs ( RST , CLK, and D) must be grounded when
not used.
On device power-up, the configuration shown in Figure 2(a) must exist in order to enter the single contact
closure mode of operation; especially and specifically, the (DC0, DC1, VD, and B1) input’s connection to
the positive supply voltage (VCC).
The direction of wiper movement in single pushbutton operation is determined by prior activity; with the
direction of wiper movement being opposite to that of the previous activity.
Changing the direction of wiper movement in single pushbutton configuration is accomplish by a period
of inactivity on the controlling input of a (minimum) 1 second or greater. For example, when operating
from independent mode control, an inactivity of 1 second or greater on the UC0 input will cause the
direction of the potentiometer-0 wiper to reverse. The same is true for the UC1 input. Also, in
independent mode control and single pushbutton configuration, as the wiper reaches the end of the
potentiometer range its direction of movement reverses. This will occur regardless of whether the input is
a continuous pulse, a sequence of repetitive pulses or a single pulse.
In stereo mode control, the VU input is responsible for both directions of wiper movement. Again, a
period of inactivity will allow the direction of volume to be reversed. Additionally, if either wiper
reaches a peak position, the direction of movement will automatically reverse.
For balance mode control, the B0 input will be responsible for wiper movement. A period of inactivity
lasting 1 second or more will cause a switch in balance movement (i.e., balance-0 to balance-1).
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1802E/T&R | 制造商:Maxim Integrated Products 功能描述:DUAL AUDIO TAPER W/PB TSSOP T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT DL AUDIO TAP W/PB 20TSSOP |
| DS1802E/T&R | 功能描述:數字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 |
| DS1802E+ | 功能描述:數字電位計 IC Dual Audio Taper Potentiometer RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 |
| DS1802E+T&R | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 65POS 45KOHM DUAL 20TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT DL AUDIO TAP W/PB 20TSSOP 制造商:Maxim Integrated Products 功能描述:Digital Potentiometer ICs Dual Audio Taper Potentiometer |
| DS1802E+T&R | 功能描述:數字電位計 IC Dual Audio Taper Potentiometer RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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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