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Part Number: MAX9741
Description: The MAX9741 stereo Class D audio power amplifier provides Class AB amplifier performance with Class D ...
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MAX9741
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DataSheet
General Description
MAX9741 General Description
The MAX9741 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. Using a Class D architecture, it delivers 12W continuous output power into 8 loads. Proprietary and patent-protected modulation and switching schemes render the traditional Class D EMI suppression output filter unnecessary.
The MAX9741 offers two modulation schemes: a fixedfrequency 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 offers comprehensive click-and-pop suppression.
The MAX9741 features high 80dB PSRR, low 0.07% THD+N, and SNR in excess of 100dB. Short-circuit and thermal-overload protection prevent the device from being damaged during a fault condition. The MAX9741 is available in a 56-pin TQFN (8mm x 8mm x 0.8mm) package. The MAX9741 is specified over the extended -40°C to +85°C temperature range.
MAX9741 Features
` Filterless Class D Amplifier
` Unique Spread-Spectrum Mode Offers 5dB Emissions Improvement Over Conventional Methods
` Up to 88% Efficient into 16
` 12W+12W Continuous Output Power into 8
` 15W+15W Continous Output Power into 16
` 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 (0.2A)
` Short-Circuit and Thermal-Overload Protection
` Available in Thermally Efficient, Space-Saving 56-Pin TQFN (8mm x 8mm x 0.8mm) Package
` Unique Spread-Spectrum Mode Offers 5dB Emissions Improvement Over Conventional Methods
` Up to 88% Efficient into 16
` 12W+12W Continuous Output Power into 8
` 15W+15W Continous Output Power into 16
` 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 (0.2A)
` Short-Circuit and Thermal-Overload Protection
` Available in Thermally Efficient, Space-Saving 56-Pin TQFN (8mm x 8mm x 0.8mm) Package
MAX9741 Typical Application
·LCD TVs
·LCD Monitors
·Desktop PCs
·LCD Projectors
·Hands-Free Car
·Phone Adaptors
·Automotive
·LCD Monitors
·Desktop PCs
·LCD Projectors
·Hands-Free Car
·Phone Adaptors
·Automotive
MAX9741
PDF/DataSheet Download
- Datasheet: MAX9741
- File Size: 44922 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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