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General Description

The MAX9710/MAX9711 are stereo/mono 3W bridge-tied load (BTL) audio power amplifiers. These devices are PC99/01 compliant, operate from a single 4.5V to 5.5V supply, and feature an industry-leading 100dB PSRR, which allows these devices to operate from noisy supplies without additional, costly power-supply conditioning. An ultra-low 0.005 THD+N ensures clean, low-distortion amplification of the audio signal while patented click-and-pop suppression eliminates audible transients on power and shutdown cycles. Power-saving features include low 2mV VOS (minimizing DC current drain through the speakers), low 7mA supply current, and a 0.5µA shutdown mode. A MUTE function allows the outputs to be quickly enabled or disabled.

特性 Features

♦ 3W into 3Ω (1 THD+N)

♦ 4W into 3Ω (10 THD+N)

♦ Industry-Leading, Ultra-High 100dB PSRR

♦ PC99/01 Compliant

♦ Patented Click-and-Pop Suppression

♦ Low 0.005 THD+N

♦ Low Quiescent Current: 7mA

♦ Low-Power Shutdown Mode: 0.5µA

♦ MUTE Function

♦ Tiny 20-Pin Thin QFN (5mm ✕ 5mm ✕ 0.8mm) and 16-Pin TSSOP-EP Packages

Applications

   Notebook PCs

   Flat-Panel TVs

   Flat-Panel PC Displays

   Two-Way Radios

   General-Purpose Audio

   Powered Speakers