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MAX5408-MAX5411

更新时间： 2024-11-05 22:55:19
品牌 Logo 应用领域
美信 - MAXIM 电位器
页数 文件大小 规格书
13页 312K
描述
Dual, Audio, Log Taper Digital Potentiometers

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MAX5408-MAX5411 数据手册

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19-2049; Rev 2; 9/02  
Dual, Audio, Log Taper Digital Potentiometers  
General Description  
Features  
The MAX5408–MAX5411 dual, logarithmic taper digital  
potentiometers, with 32-tap points each, replace  
mechanical potentiometers in audio applications requir-  
ing digitally controlled resistors. The MAX5408/  
MAX5410 are dual potentiometers with one wiper per  
potentiometer. The MAX5409/MAX5411 are dual poten-  
tiometers with two wipers per potentiometer (see  
Functional Diagram). An SPI™-compatible serial inter-  
face controls the wiper positions. The MAX5408–  
MAX5411 have a factory-set resistance of 10k per  
potentiometer. A zero-crossing detect feature mini-  
mizes the audible noise generated by wiper transitions.  
The MAX5408–MAX5411 have nominal temperature  
coefficients of 35ppm/°C end-to-end and 5ppm/°C  
ratiometric. The MAX5408–MAX5411 are available in  
16-pin QSOP and 16-pin thin QFN packages and are  
specified over the extended temperature range (-40°C  
to +85°C).  
ꢀ Log Taper with 2dB Steps Between Taps  
ꢀ 32-Tap Positions for Each Wiper  
ꢀ Small 16-Pin QSOP/QFN Packages  
ꢀ Single-Supply Voltage Operation  
+2.7V to +3.6V (MAX5408/MAX5409)  
+4.5V to +5.5V (MAX5410/MAX5411)  
ꢀ Low 0.5µA Standby Supply Current  
ꢀ Zero-Crossing Detection for Clickless Switching  
ꢀ Mute Function to -90dB  
ꢀ 10k Fixed Resistance Value  
ꢀ 3-Wire SPI-Compatible Serial Data Interface  
ꢀ Power-On Reset: Wiper Goes to Maximum  
Attenuation  
ꢀ Digital Output for Readback and Daisy-Chaining  
Applications  
Capabilities  
Stereo Volume Control  
Ordering Information  
Fading and Balancing Stereo Signals  
Mechanical Potentiometer Replacement  
PIN-  
WIPERS PER  
PART  
TEMP RANGE  
PACKAGE  
RESISTOR  
MAX5408EEE -40 C to +85 C 16 QSOP  
MAX5408ETE -40 C to +85 C 16 Thin QFN  
MAX5409EEE -40 C to +85 C 16 QSOP  
1
1
2
Functional Diagram appears at end of data sheet.  
SPI is a trademark of Motorola, Inc.  
Ordering Information continued at end of data sheet.  
Pin Configurations  
TOP VIEW  
V
V
DOUT  
15  
DD  
DIN  
16  
LOGIC  
13  
14  
DOUT  
DIN  
1
2
3
4
5
6
7
8
16  
15  
V
V
DD  
LOGIC  
SCLK  
CS  
1
2
3
4
12 GND  
11 AGND  
10 H1  
SCLK  
CS  
14 GND  
13 AGND  
12 H1  
MAX5408-  
MAX5411  
H0  
MAX5408-  
MAX5411  
L0  
11 L1  
H0  
W0A  
10 W1A  
N.C. (W0B)  
9
N.C. (W1B)  
L0  
9
L1  
QSOP  
(5mm x 6mm)  
5
7
8
6
W0A N.C. (W0B)  
N.C. (W1B)  
W1A  
( ) ARE FOR MAX5409/MAX5411 ONLY  
THIN QFN  
(4mm x 4mm)  
________________________________________________________________ Maxim Integrated Products  
1
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.  
1234567...13

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