MAX9744ETH中文資料美信數(shù)據(jù)手冊PDF規(guī)格書

General Description

The MAX9744 20W stereo Class D audio power amplifier provides Class AB amplifier performance with Class D efficiency, conserving board space and eliminating the need for a bulky heatsink. This device features single-supply operation, adjustable gain, shutdown mode, SYNC output, speaker mute, and industry-leading click and-pop suppression.

The MAX9744 features a 64-step dual-mode (analog or digital), programmable volume control and mute function. The MAX9744 operates from a 4.5V to 14V single supply and can deliver up to 20W per channel into a 4Ω speaker with a 14V supply.

Features

? Wide 4.5V to 14V Power-Supply Voltage Range

? Filterless Spread-Spectrum Modulation Lowers

? Radiated RF Emissions from Speaker Cables

? 20W Stereo Output (4Ω, VDD = 12V, THD+N = 10)

? Integrated Volume Control (I2C or Analog)

? Low 0.04 THD+N

? High 75dB PSRR

? High 93 Efficiency (20W, 8Ω)

? Integrated Click-and-Pop Suppression

? Low-Power Shutdown Mode

? Short-Circuit and Thermal-Overload Protection

? Available in a 44-Pin Thin QFN-EP (7mm x 7mm x 0.8mm)

Applications

? Flat-Panel Televisions

? PC Speaker Systems

? Multimedia Docking Stations

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