MAX5409 - 双路、音量调节、对数数字电位器

MAX5409是Maxim美信半导体公司的一款光电产品产品，MAX5409是双路、音量调节、对数数字电位器，本站介绍了MAX5409的封装应用图解、特点和优点、功能等，并给出了与MAX5409相关的Maxim元器件型号供参考。

MAX5409 - 双路、音量调节、对数数字电位器 - 光电产品 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX5408-MAX5411 dual, logarithmic taper digitalpotentiometers, with 32-tap points each, replacemechanical potentiometers in audio applications requiringdigitally controlled resistors. The MAX5408/MAX5410 are dual potentiometers with one wiper per potentiometer. The MAX5409/MAX5411 are dual potentiometerswith two wipers per potentiometer (seeFunctional Diagram). An SPI™-compatible serial interfacecontrols the wiper positions. The MAX5408-MAX5411 have a factory-set resistance of 10kΩ perpotentiometer. A zero-crossing detect feature minimizesthe audible noise generated by wiper transitions.The MAX5408-MAX5411 have nominal temperaturecoefficients of 35ppm/°C end-to-end and 5ppm/°Cratiometric. The MAX5408-MAX5411 are available in16-pin QSOP and 16-pin thin QFN packages and arespecified over the extended temperature range (-40°Cto +85°C).

关键特性

以下关键特性由Maxim美信半导体提供：

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

10kΩ Fixed Resistance Value

3-Wire SPI-Compatible Serial Data Interface

Power-On Reset: Wiper Goes to MaximumAttenuation

Digital Output for Readback and Daisy-ChainingCapabilities

热门应用

衰减和均衡立体声信号

替代机械电位器

立体声音量控制

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