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Maxim > Solutions > Flat-Panel and Plasma TVs

Class D Speaker Amplifiers

Maxim's low-EMI, filterless class D architecture delivers the low THD+N and high PSRR of class AB amplifiers. Class D design also minimizes the number of external support components and eliminates the need for costly, bulky heat sinks and external filtering.

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

Delivers 2 x 20W from 12V Supply into 4Ω Loads
QV  PDF 10W Mono Class D Speaker Amplifier with Volume Control
MAX9768

High-Efficiency, Low BOM-Cost Class D Amplifier
QV  PDF Single-/Dual-Supply, Stereo 16W, Class D Amplifier with Differential Inputs
MAX9742

High-Efficiency Class D Amplifier Drives 4Ohm Loads with 87% Efficiency, 8Ohm Loads with 92% Efficiency
QV  PDF 2.2W, Low-EMI, Stereo, Class D Power Amplifiers with DirectDrive Headphone Amplifiers
MAX9752, MAX9753, MAX9754
QV  PDF 12W+12W, Low-EMI, Spread-Spectrum, Stereo, Class D Amplifier
MAX9741
QV  PDF 25W/50W, Filterless, Spread-Spectrum, Stereo/Mono, Class D Amplifier
MAX9709
QV  PDF 20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier
MAX9708
QV  PDF 10W Stereo/15W Mono, Filterless, Spread-Spectrum, Class D Amplifiers
MAX9703, MAX9704

10W Stereo/15W Mono Class-D Amplifier Ideal for Flat-Panel TV and PC-Display Applications
QV  PDF 6W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9713, MAX9714

6W, Class-D Amplifiers Ideal for Flat-Panel TV and PC Display Applications
QV  PDF 3-Channel, 2.3W, Filterless Class D Amplifiers with Active Crossover
MAX9706, MAX9707

Triple Class D Amplifiers with Integrated Crossover Ideal for 2.1 Audio Systems



Key Specifications:   Integrated Amplifiers
Part Number Functions Class Speaker Amp. VCC (min) (V) Speaker Amp. VCC (max) (V) Speaker Amp. ICC (typ) (mA) Speaker Amp. POUT (W) Speaker Amp. Half Pwr. THD+N (%) Headphone Amp. VCC (min) (V) Headphone Amp. VCC (max) (V) Headphone Amp. ICC (typ) (mA) Headph. Amp. POUT into 32Ω @1% THD+N (W) Headphone Amp. Half Pwr. THD+N (%) Features Package
MAX9752 
•PC Notebook Subsystem
 D 4.5 5.5 14 2.2 0.03 3 5.5 7.2 0.031 0.005
•Beep
 THIN QFN/28
MAX9753 
•PC Notebook Subsystem
 D 4.5 5.5 14 2.2 0.03 3 5.5 7.2 0.031 0.005  -  THIN QFN/28
MAX9754 
•PC Notebook Subsystem
 D 4.5 5.5 14 2.2 0.03 3 5.5 7.2 0.031 0.005  -  THIN QFN/28
See All Integrated Amplifiers (21)

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 Industry Qualified 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
MAX9768  D 4.5 14 11  -   -  8 10 0.09 97 84 Yes  -   - 
•Analog or Digitally Programmable Volume Control
•External Clock Synchronization
•Filterless Operation
•Wide Supply Range
 1  -  THIN QFN/24
MAX9742  D 20 40 15  -  16  -  20.5 0.06 93 68 Yes  -   - 
•Differential Inputs
•Single Ended Output
•Wide Supply Range
 2  -  THIN QFN/36
MAX9741  D 10 25 26  -  8.5  -  12  -   -  70 No 4.5 30.2
•Differential Inputs
 2  -  THIN QFN/56
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
MAX9708  D 10 18 20 32 42 16 21 0.15 95 90 No 12.6 63
•External Clock Synchronization
•Programmable Thermal Flag
 2 Automotive - General THIN QFN/56
MAX9703  D 10 25 14 7 10 11 15 0.015 97 80 No 4.5 30
•Differential Inputs
 1  -  THIN QFN/32
MAX9704  D 10 25 24 4 5 8 10 0.02 97 80 No 4.5 30
•Differential Inputs
 2  -  THIN QFN/32
MAX9713  D 10 25 10  -   -  5.2 6 0.1 97 76 No 4.5 13
•Differential Inputs
 1  -  THIN QFN/32
MAX9714  D 10 25 18  -   -  5.2 6 0.1 97 76 No 4.5 13
•Differential Inputs
 2  -  THIN QFN/32
See All Speaker Amplifiers (29)


         


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