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MAX9767

Maxim Integrated Products
Part Number MAX9767
Manufacturer Maxim Integrated Products
Description 750mW Audio Amplifiers
Published Jun 1, 2009
Detailed Description 19-2862; Rev 1; 2/05 750mW Audio Amplifiers with Headphone Amp, Microphone Preamp, and Input Mux General Description ww...
Datasheet PDF File MAX9767 PDF File

MAX9767
MAX9767

Overview
19-2862; Rev 1; 2/05 750mW Audio Amplifiers with Headphone Amp, Microphone Preamp, and Input Mux General Description www.
datasheet4u.
com Features ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ 750mW BTL Stereo Speaker Amplifier 65mW Stereo Headphone Amplifier 2.
7V to 5.
5V Single-Supply Operation Patented Click-and-Pop Suppression Low 0.
003% THD+N Low Quiescent Current: 13mA Low-Power Shutdown Mode: 5µA MUTE Function Headphone Sense Input Stereo 2:1 Input Multiplexer Optional 2-Wire, I2C-Compatible, or Parallel Interface ♦ Small 32-Pin Thin QFN (5mm ✕ 5mm ✕ 0.
8mm) Package MAX9765/MAX9766/MAX9767 The MAX9765/MAX9766/MAX9767 family combines speaker, headphone, and microphone amplifiers, all in a small thin QFN package.
The MAX9765 is targeted at stereo speaker playback applications and includes a stereo bridge-tied load (BTL) speaker amp, stereo headphone amp, single-ended output mic amp, input MUX, and I 2C control.
The MAX9766 is targeted at mono speaker playback applications and includes a mono BTL speaker amp, stereo headphone amp, differential output mic amp, input MUX, and I2C control.
The MAX9767 is targeted at applications that do not require a headphone amp and includes a stereo BTL speaker amp, differential output mic amp, and parallel control.
These devices operate from a single 2.
7V to 5.
5V supply.
A high 95dB PSRR allows these devices to operate from noisy supplies without additional power conditioning.
An ultra-low 0.
003% THD+N ensures clean, low distortion amplification of the audio signal.
Patented click-and-pop suppression eliminates audible transients on power and shutdown cycles.
In speaker mode, the amplifiers can deliver up to 750mW of continuous average power into a 4Ω load.
In headphone mode, the amplifier can deliver up to 65mW of continuous average power into a 16Ω load.
The gain of the amplifiers is externally set, allowing maximum flexibility in optimizing output levels for a given load.
The MAX9765/MAX9766 also feature a 2:1 input multiplexer, allowing multiple ...


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