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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 Singl...

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SeekIC No. : 004412863 Detail

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`...

MAX9741 Data Sheet

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Part Number:
MAX9741
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



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


Application

·LCD TVs
·LCD Monitors
·Desktop PCs
·LCD Projectors
·Hands-Free Car
·Phone Adaptors
·Automotive


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 of MAX9741 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.




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