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參數(shù)資料
| 型號： | MAX5456ETE |
| 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, QCC16 |
| 封裝： | 0.150 INCH, 0.250 INCH PITCH, MO-137AB, QSOP-16 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 373K |
| 代理商： | MAX5456ETE |
General Description
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.
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 50k
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.
The MAX5456/MAX5457 provide temperature coeffi-
cients of 50ppm/°C end-to-end and 5ppm/°C ratiomet-
ric and a nominal resistance of 10k
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%.
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 are available in 16-pin QSOP
and 16-pin TQFN packages and are specified over the
extended (-40°C to +85°C) temperature range.
Applications
Stereo Volume Control
Fading and Balancing Stereo Signals
Stereo Blending and Mixing
Features
SmartWiper Control Provides Accelerated Wiper
Motion
Debounced Pushbutton Interface with Internal
Pullup Resistors
Logarithmic Taper with 2dB Steps Between Taps
Single +2.7V to +5.5V or Dual ±2.7V Supply
Operation
Low 0.5μA Standby Supply Current
Clickless Switching
10k
End-to-End Fixed Resistance Value
Mute Function to -90dB (typ)
Power-On Reset to -12dB Wiper Position
32 Tap Positions for Each Wiper
Small 16-Pin QSOP/TQFN Packages
M
Stereo Audio Taper Potentiometers
with Pushbutton Interface
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
19-3490; Rev 0; 11/04
Typical Application Circuits and Selector Guide appear at
end of data sheet.
PART
TEMP RANGE
-40
o
C to +85
o
C
-40
o
C to +85
o
C
-40
o
C to +85
o
C
-40
o
C to +85
o
C
PIN-PACKAGE
16 QSOP
16 TQFN
16 QSOP
16 TQFN
MAX5456
EEE
MAX5456ETE*
MAX5457
EEE*
MAX5457ETE*
*
Future product—contact factory for availability.
SPI is a trademark of Motorola, Inc.
SmartWiper is a trademark of Maxim Integrated Products, Inc.
TOP VIEW
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
DN/BAL0
V
DD
V
LOGIC
GND
V
SS
H1
L1
W1
MUTE
MAX5457
QSOP
UP/BAL1
MODE
L0
MODE_IND
H0
W0
SHDN
Pin Configurations
Pin Configurations are continued at end of data sheet.
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參數(shù)描述 |
|---|---|
| MAX5456ETE+ | 功能描述:數(shù)字電位計 IC 12Bit V-Out DAC 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5456ETE+T | 功能描述:數(shù)字電位計 IC 12Bit V-Out DAC 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5456ETE-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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5457EEE | 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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