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Maxim > Solutions > Flat-Panel and Plasma TVs
DirectDrive Headphone Amplifiers
Maxim's proprietary DirectDrive™ headphone amplifiers save cost and space by eliminating the need for DC-blocking capacitors. DirectDrive architecture produces an output signal with twice the amplitude of conventional amplifiers, and delivers the industry's leading click-and-pop performance.
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
Low RF Susceptibility DirectDrive Stereo Headphone Amplifier with 1.8V Compatible Shutdown
MAX9724C, MAX9724D
| Lower Supply (Operates Down to 2.5V), RF-Immune Headphone Amplifier |
| QV PDF |
Evaluation Kit for the MAX9724A and MAX9724B
MAX9724AEVKIT
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| QV PDF |
Evaluation Kit/Evaluation System for the MAX9723A, MAX9723B, MAX9723C, and MAX9723D
MAX9723DEVCMOD2, MAX9723DEVCMODU, MAX9723DEVKIT
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| QV PDF |
DirectDrive, Headphone Amplifier with BassMax, I²C, Volume and Gain Control
MAX9726
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| QV PDF |
Stereo DirectDrive® Headphone Amplifier with BassMax, Volume Control, and I²C
MAX9723
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| QV PDF |
60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown
MAX9724A, MAX9724B
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| QV PDF |
5V, Differential Input, DirectDrive, 130mW Stereo Headphone Amplifiers with Shutdown
MAX9722
| Next-Generation DirectDrive Headphone Amplifiers Offer Differential Inputs and 5V Operation |
| QV PDF |
80mW, DirectDrive, Stereo Headphone Amplifier with Common-Mode Sense
MAX4409
| 80mW, DirectDrive, Stereo Headphone Amplifier with Common-Mode Sense |
| QV PDF |
80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX4411, MAX4411B
| Unique Low-Cost Headphone Amplifier Eliminates DC-Blocking Capacitors and Gain-Setting Resistors |
| QV PDF |
80mW, DirectDrive Stereo Headphone Driver with Shutdown
MAX4410
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| Key Specifications:
Headphone Amplifiers |
| Part Number |
Headphone Amp. VCC (min) (V) |
Headphone Amp. VCC (max) (V) |
Headphone Amp. ICC (typ) (mA) |
Hdph. Amp. POUT into 32Ω @1% THD+N (mW) |
Headphone Amp. Half Pwr. THD+N (%) |
SNR, A-weighted (dB) |
PSRR (db) |
Headphone Amp. External Gain |
Headphone Amp. Fixed Gain (min) (|V/V|) |
Headphone Amp. Fixed Gain (max) (|V/V|) |
Features |
Industry Qualified |
Package |
Smallest Available Package (max w/pins) (mm2) |
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MAX9723
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1.8
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3.6
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4
|
59
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0.007
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100
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90
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No
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0.5
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2
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| • | I2C/SMBus Compatible Interface |
| • | Integrated Volume Control |
| • | Software Enabled Bass Boost (BassMax) |
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-
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UCSP/16
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4
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MAX9722
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2.4
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5.5
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5.5
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130
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0.015
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103
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90
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Yes
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2
|
2
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Automotive - General
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TQFN/16
TSSOP/16
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10
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MAX4409
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1.8
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3.6
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5
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65
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0.005
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98
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86
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Yes
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-
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-
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-
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TQFN/20
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17
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MAX4411
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1.8
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3.6
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5
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65
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0.007
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98
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86
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No
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1.5
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2
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| • | Independent Shutdown Controls |
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-
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TQFN/20
UCSP/14
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4
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MAX4410
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1.8
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3.6
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7
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65
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0.006
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98
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90
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Yes
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-
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-
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| • | Independent Shutdown Controls |
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-
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TSSOP/14
UCSP/14
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4
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| See All Headphone Amplifiers (14) |
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