Overview

 


Suggested Components

 
Application Notes







Class D Speaker Amplifiers



DATA SHEETS
Part Number Description Key Advantages
MAX98400BEVKIT Evaluation Kit for the MAX98400B

MAX98400AEVKIT Evaluation Kit for the MAX98400A

MAX9736DEVKIT Evaluation Kit for the MAX9736D

MAX98400A, MAX98400B Stereo, High-Power, Class D Amplifier

Differential Input, Power Limiting, Anticlipping, Thermal Foldback, and Excellent EMI Performance
MAX9737 Mono 7W Class D Amplifier

Direct-from-Battery 7W Class D Amplifier Slashes Notebook 2.1 Solution Cost
MAX9736 Mono/Stereo High-Power Class D Amplifier

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

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

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 Spkr. Amp. VCC
(V)
Spkr. Amp. VCC
(V)
Spkr. Amp. ICC
(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)
Spkr. Amp. Half Pwr. THD+N
(%)
SNR
(dB)
PSRR
(dB)
Spkr. Amp. Ext. Gain Spkr. Amp. Fxd. Gain
(V/V)
Spkr. Amp. Fxd. Gain
(V/V)
Channels
min max typ min min min min A- Weighted min min max
MAX98400A  D 8 28 10 13 17 16 - 0.03 107 67 No 2.8 44 2
MAX98400B  8 28 10 - - 13.5 15 0.03 101 67 No 2.8 44 2
MAX9737  8 28 15 12 14 6 7.5 0.06 97 80 - - - 1
MAX9744  4.5 14 - - 20 - - 0.04 95 75 Yes - - 2
MAX9736A  8 28 30 13 16 13.5 17.5 0.04 96.5 80 Yes - - 2
MAX9736B  8 28 30 11 14 6 7.5 0.04 97 80 Yes - - 2
MAX9709  10 22 20 39 50 19 25 0.1 95 90 No 12.6 63 2
See All Speaker Amplifiers (41)





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