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MAX9703

Maxim
Part Number MAX9703
Manufacturer Maxim
Description 15W / Filterless / Spread-Spectrum Mono/Stereo Class D Amplifiers
Published May 2, 2005
Detailed Description 19-3160; Rev 7; 3/06 www.DataSheet4U.com 10W Stereo/15W Mono, Filterless, Spread-Spectrum, Class D Amplifiers General ...
Datasheet PDF File MAX9703 PDF File

MAX9703
MAX9703

Overview
19-3160; Rev 7; 3/06 www.
DataSheet4U.
com 10W Stereo/15W Mono, Filterless, Spread-Spectrum, Class D Amplifiers General Description The MAX9703/MAX9704 mono/stereo Class D audio power amplifiers provide Class AB amplifier performance with Class D efficiency, conserving board space and eliminating the need for a bulky heatsink.
Using a Class D architecture, these devices deliver up to 15W while offering up to 78% efficiency.
Proprietary and patent-protected modulation and switching schemes render the traditional Class D output filter unnecessary.
The MAX9703/MAX9704 offer two modulation schemes: a fixed-frequency mode (FFM), and a spread-spectrum mode (SSM) that reduces EMI-radiated emissions due to the modulation frequency.
The device utilizes a fully differential architecture, a full bridged output, and comprehensive click-and-pop suppression.
The MAX9703/MAX9704 feature high 80dB PSRR, low 0.
07% THD+N, and SNR in excess of 95dB.
Short-circuit and thermal-overload protection prevent the devices from being damaged during a fault condition.
The MAX9703 is available in a 32-pin TQFN (5mm x 5mm x 0.
8mm) package.
The MAX9704 is available in a 32-pin TQFN (7mm x 7mm x 0.
8mm) package.
Both devices are specified over the extended -40°C to +85°C temperature range.
Features ♦ Filterless Class D Amplifier ♦ Unique Spread-Spectrum Mode Offers 5dB Emissions Improvement Over Conventional Methods ♦ Up to 78% Efficient (RL = 8Ω) ♦ Up to 88% Efficient (RL = 16Ω) ♦ 15W Continuous Output Power into 8Ω (MAX9703) ♦ 2x10W Continuous Output Power into 8Ω (MAX9704) ♦ Low 0.
07% THD+N ♦ High PSRR (80dB at 1kHz) ♦ 10V to 25V Single-Supply Operation ♦ Differential Inputs Minimize Common-Mode Noise ♦ Pin-Selectable Gain Reduces Component Count ♦ Industry-Leading Click-and-Pop Suppression ♦ Low Quiescent Current (24mA) ♦ Low-Power Shutdown Mode (0.
2µA) ♦ Short-Circuit and Thermal-Overload Protection ♦ Available in Thermally Efficient, Space-Saving Packages 32-Pin TQFN (5mm x 5mm x 0.
8mm)–MAX97...


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