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參數(shù)資料
| 型號(hào)： | DS1802 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Dual Audio Taper Potentiometer with Push Button Control(帶按鈕控制的雙路音頻抽頭電位器) |
| 中文描述： | DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 65 POSITIONS, PDIP20 |
| 封裝： | 0.300 INCH, DIP-20 |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大?。?/td> | 97K |
| 代理商： | DS1802 |
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DS1802
Dual Audio Taper Potentiometer
with Push–button Control
DS1802
022698 1/15
FEATURES
Ultra–low power consumption
Operates from 3V or 5V supplies
Two digitally controlled, 65–position potentiometers
including mute
Logarithmic resistive characteristics (1 dB per step)
Zero–crossing detection eliminates noise caused by
wiper movement
Digital or mechanical push–button wiper control
Serial port provides means for setting and reading
both potentiometer wipers
20–pin SOIC and 20–pin TSSOP for surface mount
applications
Temperature:
– Commercial: 0
°
C to 70
°
C
Software and hardware mute
PIN ASSIGNMENT
RST
C
OUT
CLK
ZCEN
V
CC
VU (UC1)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VD (DC1)
B0 (UC0)
B1 (DC0)
MUTE
AGND
H1
W1
GND
D
MODE
W0
H0
20–PIN DIP (300 MIL)
20See Mech. Drawings
Section
L0
L1
PIN DESCRIPTION
L0, L1
H0, H1
W1, W2
V
CC
RST
D
CLK
MODE
UC0, UC1
DC0, DC1
VU, VD
B0, B1
GND
MUTE
AGND
ZCEN
C
OUT
– Low End of Resistor
– High End or Resistor
– Wiper End of Resistor
– 3V/5V Power Supply Input
– Serial Port Reset Input
– Serial Port Data Input
– Serial Port Clock Input
– Mode Select Input
– Up Control push–button Inputs
– Down Control push–button Inputs
– Volume–Up/Volume–Down nputs
– Balance Pot–0, Pot–1 Inputs
– Digital Ground
– Mute
– Analog Ground
– Zero–Crossing Detect
– Cascade Output
DESCRIPTION
The DS1802 is a dual audio taper–potentiometer having
logarithmic resistive characteristics over the device
range. Each potentiometer provides 65 wiper positions
with a 1 dB increment per step and device mute. The
DS1802 has two methods of device control which nclude
contact closure (push–button) inputs and a 3–wire serial
interface for wiper positioning. The push–button control
inputs provide a simple interface for device control with-
out the need for a CPU. While the 3–wire serial nterface,
using a CPU, provides the user the ability of reading or
writing exact wiper positions of the two potentiometers.
The DS1802 can also be configured to operate in either
independent or “stereo” modes, when using push–button
control. Independent mode of operation allows for inde-
pendent wiper control and stereo mode of operation pro-
vides single input control over both potentiometer wiper
positions. The DS1802 is offered n commercial temper-
ature versions. Packages for the part include a 20–pin
DIP, 20–pin SOIC, and 20–pin TSSOP.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1802+ | 功能描述:數(shù)字電位計(jì) 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(chǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1802E | 功能描述:數(shù)字電位計(jì) 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(chǔ)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(fēng)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: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(shù)字電位計(jì) 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(chǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1802E+ | 功能描述:數(shù)字電位計(jì) 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(chǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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