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Headphone Amplifiers



DATA SHEETS
Part Number Description Key Advantages
MAX9724C, MAX9724D Low RF Susceptibility DirectDrive Stereo Headphone Amplifier with 1.8V Compatible Shutdown

Lower Supply (Operates Down to 2.5V), RF-Immune Headphone Amplifier
MAX9724AEVKIT Evaluation Kit for the MAX9724A and MAX9724B

MAX9789AEVKIT, MAX9790AEVKIT Evaluation Kit for the MAX9789A and MAX9790A

MAX9724A, MAX9724B 60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown

MAX9850 Stereo Audio DAC with DirectDrive® Headphone Amplifier

1.8V Stereo Audio DAC with Built-In DirectDrive Headphone Amplifier Designed for High-Performance, Space-Constrained Portable Applications
MAX9722 5V, Differential Input, DirectDrive, 130mW Stereo Headphone Amplifiers with Shutdown

Next-Generation DirectDrive Headphone Amplifiers Offer Differential Inputs and 5V Operation
MAX9789, MAX9790 Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers

Integrated Vista-Compliant ICs Combine a 2 x 2W Speaker Amplifier, DirectDrive Headphone Amplifier and Low-Dropout Regulator
MAX4409 80mW, DirectDrive, Stereo Headphone Amplifier with Common-Mode Sense

80mW, DirectDrive, Stereo Headphone Amplifier with Common-Mode Sense
MAX9720, MAX9720A, MAX9720B 50mW, DirectDrive®, Stereo Headphone Amplifier with SmartSense™ and Shutdown

50mW, DirectDrive, Stereo-Headphone Amplifier with SmartSense and Shutdown
MAX4411, MAX4411B 80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown

Unique Low-Cost Headphone Amplifier Eliminates DC-Blocking Capacitors and Gain-Setting Resistors
MAX4410 80mW, DirectDrive Stereo Headphone Driver with Shutdown

MAX4298, MAX4299 Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator

Ultra-High PSRR Stereo Headphone Driver



Key Specifications:

Audio Data Converters
Part Number Functions VSUPPLY
(V)
VSUPPLY
(V)
IQ
(mA)
ADCs DACs SNR
(dB)
Bit Depth Sample Rate
(kHz)
Interface Smallest Available Pckg.
(mm2)
min max DAC DAC DAC max w/pins
MAX9850  Audio DAC 1.8 3.6 7.6 0 2 91 18 8 to 48
Audio - I2S
Serial - I2C
26
See All Audio Data Converters (9)

Headphone Amplifiers
Part Number Hdph. Amp. VCC
(V)
Hdph. Amp. VCC
(V)
Hdph. Amp. ICC
(mA)
Hdph. Amp. POUT into 32Ω
(mW)
Hdph. Amp. Half Pwr. THD+N
(%)
SNR
(dB)
PSRR
(dB)
Hdph. Amp. Ext. Gain Hdph. Amp. Fxd. Gain
(|V/V|)
Hdph. Amp. Fxd. Gain
(|V/V|)
Features RoHS Available Industry Qualified Package/Pins Smallest Available Pckg.
(mm2)
min max typ @ 1% THD+N A- Weighted min min max max w/pins
MAX9722  2.4 5.5 5.5 130 0.015 103 90 Yes 2 2 Common-Mode Sense Yes
Automotive - AECQ100
Automotive - General
TQFN/16
TSSOP/16
33.4
MAX9720  1.8 3.6 5 50 0.006 100 92 No 1 1.41 SmartSense Automatic Short Circuit Detection -
TSSOP/16
UCSP/16
33.4
MAX4409  1.8 3.6 5 65 0.005 98 86 Yes - - Common-Mode Sense -
TQFN/20
16.8
MAX4411  1.8 3.6 5 65 0.007 98 86 No 1.5 2 Independent Shutdown Controls -
TQFN/20
UCSP/14
4.3
MAX4410  1.8 3.6 7 65 0.006 98 90 Yes - - Independent Shutdown Controls -
TSSOP/14
UCSP/14
4.3
See All Headphone Amplifiers (18)

Integrated Amplifiers
Part Number Functions Class Spkr. Amp. VCC
(V)
Spkr. Amp. VCC
(V)
Spkr. Amp. ICC
(mA)
Spkr. Amp. POUT
(W)
Spkr. Amp. Half Pwr. THD+N
(%)
Hdph. Amp. VCC
(V)
Hdph. Amp. VCC
(V)
Hdph. Amp. ICC
(mA)
Hdph. Amp. POUT into 32Ω
(mW)
Hdph. Amp. Half Pwr. THD+N
(%)
Package/Pins Smallest Available Pckg.
(mm2)
min max typ min max typ @ 1% THD+N max w/pins
MAX9789  PC Notebook Subsystem AB 4.5 5.5 14 2 0.004 3 5.5 7 0.055 0.02
TQFN/32
26
MAX9790 
TQFN/32
See All Integrated Amplifiers (14)





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