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MAX5457

更新时间： 2024-09-16 14:57:27
品牌 Logo 应用领域
亚德诺 - ADI 电位器
页数 文件大小 规格书
18页 246K
描述
立体声音量调节电位器，带有按钮接口

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MAX5457 数据手册

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EVALUATION KIT AVAILABLE  
MAX5456/MAX5457  
Stereo Audio Taper Potentiometers  
with Pushbutton Interface  
General Description  
Features  
The MAX5456/MAX5457 dual, logarithmic taper digital  
potentiometers feature a simple pushbutton interface  
that controls volume and balance in audio applications.  
Each potentiometer has 32 tap points and replaces  
mechanical potentiometers. Refer to the MAX5408–  
MAX5411 data sheet for SPI versions of the MAX5456/  
MAX5457.  
o SmartWiper Control Provides Accelerated Wiper  
Motion  
o Debounced Pushbutton Interface with Internal  
Pullup Resistors  
o Logarithmic Taper with 2dB Steps Between Taps  
o Single +2.7V to +5.5V or Dual 2.7V Supplꢀ  
Operation  
Use the MAX5456/MAX5457 digital inputs with momen-  
tary contact single-pole/single-throw (SPST) pushbutton  
switches. Each input includes internal debounce cir-  
cuitry and a 50kΩ pullup resistor.  
The MAX5456/MAX5457 advance the wiper setting once  
per button push. Maxim’s proprietary SmartWiper™ con-  
trol eliminates the need for a microcomputer to increase  
the wiper transition rate. Holding the control input low for  
more than 1s advances the wiper at a rate of 4Hz for 4s  
and 16Hz per second thereafter.  
o Low 0.5µA Standbꢀ Supplꢀ Current  
o Clickless Switching  
o 10kΩ End-to-End Fixed Resistance Value  
o Mute Function to -90dB (tꢀp)  
o Power-On Reset to -12dB Wiper Position  
o 32 Tap Positions for Each Wiper  
o Small 16-Pin QSOP Package  
The MAX5456/MAX5457 provide temperature coeffi-  
cients of 50ppm/°C end-to-end and 5ppm/°C ratiomet-  
ric and a nominal resistance of 10kΩ per potentiometer.  
An integrated click/pop suppression feature minimizes  
the audible noise generated by wiper transitions. The  
typical total harmonic distortion plus noise (THD+N) for  
these devices is 0.01%.  
Ordering Information  
PART  
TEMP RANGE  
-40oC to +85oC  
-40oC to +85oC  
PIN-PACKAGE  
16 QSOP  
MAX5456EEE+  
MAX5457EEE+  
16 QSOP  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
Note: For leaded version, contact factory.  
The MAX5457 features a 3-button interface with a  
MODE input that toggles between volume- and balance-  
control modes. An LED output indicates volume or bal-  
ance mode. The MAX5456 features a 4-button interface  
with separate inputs for up and down volume controls  
and left and right balance controls.  
The MAX5456/MAX5457 is available in a 16-pin QSOP  
packages and specified over the extended (-40°C to  
+85°C) temperature range.  
Pin Configurations  
TOP VIEW  
Applications  
+
DN/BAL0  
1
2
3
4
5
6
7
8
16  
15  
V
V
DD  
Stereo Volume Control  
UP/BAL1  
MODE  
MODE_IND  
H0  
LOGIC  
Fading and Balancing Stereo Signals  
Stereo Blending and Mixing  
14 GND  
13  
MAX5457  
V
SS  
12 H1  
11 L1  
10 W1  
L0  
W0  
SHDN  
9
MUTE  
Tꢀpical Application Circuits and Selector Guide appear at  
end of data sheet.  
QSOP  
Pin Configurations are continued at end of data sheet.  
SmartWiper is a trademark of Maxim Integrated Products, Inc.  
For pricing, deliverꢀ, and ordering information, please contact Maxim Direct at  
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.  
19-3490; Rev 2; 8/12  
1234567...18

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与MAX5457相关器件

型号 品牌 获取价格 描述 数据表
MAX5457EEE MAXIM

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 		Stereo Audio Taper Potentiometers with Pushbutton Interface
MAX5457EEE+ MAXIM

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 		Digital Potentiometer, 1 Func, 10000ohm, Increment/decrement Control Interface, CMOS, PDSO
MAX5457EEE+T MAXIM

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 		Digital Potentiometer, 1 Func, 10000ohm, Increment/decrement Control Interface, CMOS, PDSO
MAX5457EEE-T MAXIM

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 		Digital Potentiometer, 1 Func, 10000ohm, Increment/decrement Control Interface, CMOS, PDSO
MAX5457ETE MAXIM

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 		Stereo Audio Taper Potentiometers with Pushbutton Interface
MAX5457ETE+ MAXIM

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 		Digital Potentiometer, 1 Func, 10000ohm, Increment/decrement Control Interface, CMOS, 4 X
MAX545ACPD MAXIM

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 		+5V, Serial-Input, Voltage-Output, 14-Bit DACs
MAX545ACSD ROCHESTER

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 		SERIAL INPUT LOADING, 1us SETTLING TIME, 14-BIT DAC, PDSO14, 0.150 INCH, PLASTIC, MS-012B,
MAX545ACSD MAXIM

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 		+5V, Serial-Input, Voltage-Output, 14-Bit DACs
MAX545ACSD+ MAXIM

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 		暂无描述

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