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參數(shù)資料
| 型號： | MAX5457EEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Stereo Audio Taper Potentiometers with Pushbutton Interface |
| 中文描述： | 10K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, PDSO16 |
| 封裝： | 0.150 INCH, 0.250 INCH PITCH, MO-137AB, QSOP-16 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 373K |
| 代理商： | MAX5457EEE |
M
Stereo Audio Taper Potentiometers
with Pushbutton Interface
12
______________________________________________________________________________________
Mode Control,
MODE
The MAX5457
MODE
input toggles between volume-
and balance-control modes. Force
MODE
low to toggle
between volume-control and balance-control modes.
For example, driving
MODE
low once while in volume-
control mode, switches the MAX5457 to balance-con-
trol mode. Driving mode low once again, switches the
MAX5457 back to volume-control mode.
MODE
is inter-
nally pulled high with a 50k
resistor to V
LOGIC
. The
MAX5457 powers up in volume-control mode.
Mode Indicator, MODE_IND
MODE_IND is the volume-control and balance-control
mode indicator with an open-drain output. Connect
MODE_IND to an LED through a pullup resistor to
V
LOGIC
. When the LED is on, the MAX5457 is in balance-
control mode. When the LED is off, the MAX5457 is in
volume-control mode. See the
Mode Control,
MODE
sec-
tion for more detail on switching between modes.
Shutdown does not affect the state of MODE_IND.
Multiple Button Pushes
The MAX5456/MAX5457 do not respond to simultane-
ous button pushes. Pushing more than one button at the
same time stops the wipers in their present states. Only
a single button push configures the device. Additionally,
a 40ms blocking period affects all other inputs when
releasing any input forced low. The MAX5456/MAX5457
do not respond to any logic input until the blocking peri-
od ends. If multiple wiper-control buttons are pressed,
all wiper-control connections must be released before
the part will respond to further commands.
Applications Information
Stereo Volume/Balance Control
Figure 6 shows a volume/balance application using the
MAX5457. The op amp is connected in a follower (non-
inverting gain) configuration to isolate the potentiome-
ter’s wiper impedance from the load and provide drive
capability. Connect the W_ of the MAX5457 to the posi-
tive input of a noninverting gain amp. The pushbutton
potentiometers attenuate the input signals. Use the
MODE
input to switch between volume-control and bal-
ance-control modes.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5457EEE+ | 功能描述:數(shù)字電位計 IC Stereo Audio Taper w/Pushbutton Int 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 |
| MAX5457EEE+T | 功能描述:數(shù)字電位計 IC Stereo Audio Taper w/Pushbutton Int 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 |
| MAX5457EEE-T | 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 |
| MAX5457ETE | 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 |
| MAX5457ETE+ | 功能描述:數(shù)字電位計 IC Stereo Audio Taper w/Pushbutton Int 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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