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Maxim > Solutions > MP3 Docking Stations: Mid Level

Class D Speaker Amplifiers

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit/Evaluation System for the MAX9744
MAX9744EVCMAXQU, MAX9744EVKIT

QV  PDF Evaluation Kit for the MAX9736A and MAX9736B
MAX9736AEVKIT

QV  PDF Mono/Stereo High-Power Class D Amplifier
MAX9736

Versatile Pin-for-Pin Compatible Family of Filterless Class D Amplifers Offer Industry-Leading Solution Cost
QV  PDF 20W Stereo Class D Speaker Amplifier with Volume Control
MAX9744

Wide Supply-Voltage Range (4.5V to 14V) Eases Design in Battery-Powered Applications
QV  PDF 25W/50W, Filterless, Spread-Spectrum, Stereo/Mono, Class D Amplifier
MAX9709

Mono and Stereo Operation Allows Two Devices to Form a Complete 2.1 Audio System for High-Power Docking Stations



Key Specifications:   Speaker Amplifiers
Part Number Class Speaker Amp. VCC (min) (V) Speaker Amp. VCC (max) (V) Speaker Amp. ICC (typ) (mA) POUT into 4Ω @ 1% THD+N (W) POUT into 4Ω @ 10% THD+N (W) POUT into 8Ω @ 1% THD+N (W) POUT into 8Ω @ 10% THD+N (W) Speaker Amp. Half Pwr. THD+N (%) SNR, A-weighted (dB) PSRR (db) Speaker Amp. External Gain Speaker Amp. Fixed Gain (min) (V/V) Speaker Amp. Fixed Gain (max) (V/V) Features Number of Channels Package
MAX9744  NEW! D 4.5 14  -   -  20  -   -  0.04 95 75 Yes  -   - 
Analog or Digitally Programmable Volume Control
External Clock Synchronization
Filterless Operation
Wide Supply Range
2 THIN QFN/44
MAX9736A  D 8 28 30 13 16 13.5 17.5 0.04 96.5 80 Yes  -   - 
Filterless Operation
Mono Mode
Pin-for-Pin Compatible Packaging
Wide Supply Range
2 THIN QFN/32
MAX9736B  D 8 28 30 11 14 6 7.5 0.04 97 80 Yes  -   - 
Filterless Operation
Mono Mode
Pin-for-Pin Compatible Packaging
Wide Supply Range
2 THIN QFN/32
MAX9709  D 10 22 20 39 50 19 25 0.1 95 90 No 12.6 63
External Clock Synchronization
Programmable Thermal Flag
2 THIN QFN/56
See All Speaker Amplifiers (29)



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