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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.

DATA SHEETS
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

QV  PDF Evaluation Kit/Evaluation System for the MAX9723A, MAX9723B, MAX9723C, and MAX9723D
MAX9723DEVCMOD2, MAX9723DEVCMODU, MAX9723DEVKIT

QV  PDF DirectDrive, Headphone Amplifier with BassMax, I²C, Volume and Gain Control
MAX9726

QV  PDF Stereo DirectDrive® Headphone Amplifier with BassMax, Volume Control, and I²C
MAX9723

QV  PDF 60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown
MAX9724, MAX9724A, MAX9724B

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




Key Specifications:   Headphone Amplifiers
Part Number 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 (%) 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)
MAX9724  2.7 5.5 3.5 63 0.02 101 86 Yes 1.5 1.5  -   -  THIN QFN/12
UCSP/12
3
MAX9722  2.4 5.5 5.5 130 0.015 103 90 Yes 2 2
Common-Mode Sense
Automotive - General THIN QFN/16
TSSOP/16
10
MAX4409  1.8 3.6 5 65 0.005 98 86 Yes  -   - 
Common-Mode Sense
 -  THIN QFN/20 17
MAX4411  1.8 3.6 5 65 0.007 98 86 No 1.5 2
Independent Shutdown Controls
 -  THIN QFN/20
UCSP/14
4
MAX4410  1.8 3.6 7 65 0.006 98 90 Yes  -   - 
Independent Shutdown Controls
 -  TSSOP/14
UCSP/14
4
MAX9723  1.8 3.6 4 59 0.007 100 90 No 0.5 2
I2C/SMBus Compatible Interface
Integrated Volume Control
Software Enabled Bass Boost (BassMax)
 -  UCSP/16 4
See All Headphone Amplifiers (11)



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