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Maxim > Solutions > PDAs and Handheld Equipment

Headphone Amplifiers

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the MAX9890
MAX9890EVKIT
QV  PDF Evaluation Kit for the MAX9725A, MAX9725B, MAX9725C, MAX9725D, and MAX9725E
MAX9725EEVKIT
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 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 1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725
QV  PDF 1V, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9721

1V, Fixed-Gain, DirectDrive™, Stereo-Headphone Amplifier with Shutdown Ideal for Portable Equipment where Board Space Is at a Premium
QV  PDF 5V, Differential Input, DirectDrive, 130mW Stereo Headphone Amplifiers with Shutdown
MAX9722

No DC blocking caps, 5V VDD, Diff Inputs
QV  PDF Audio Click-Pop Suppressor
MAX9890

Low cost click/pop reduction
QV  PDF 80mW, DirectDrive, Stereo Headphone Amplifier with Common-Mode Sense
MAX4409

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

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

No DC blocking caps
QV  PDF 80mW, DirectDrive Stereo Headphone Driver with Shutdown
MAX4410

No DC blocking caps
QV  PDF Dual, Rail-to-Rail, High-Output-Drive Op Amp in UCSP
MAX4369
QV  PDF 330mW, Ultra-Small, Audio Power Amplifiers with Shutdown
MAX4366, MAX4367, MAX4368



Key Specifications:   Click-Pop Suppressors
Part Number Supply Voltage (min) (V) Supply Voltage (max) (V) Quiescent Supply Current (typ) (mA) PSRR (db) THD+N (%) SHDN Number of Channels Industry Qualified Package Smallest Available Package (max w/pins) (mm2)
MAX9890  2.7 5.5 0.014 100 0.003 Yes 2 Automotive - General THIN QFN (Dual)/8
UCSP/9 		2
See All Click-Pop Suppressors (1)

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
MAX9721  0.9 1.8 2.2 20 0.008 92 70 No 1 2  -   -  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 		33
MAX9720  1.8 3.6 5 50 0.006 100 92 No 1 1.41
•SmartSense Automatic Short Circuit Detection
  -  UCSP/16 4
MAX4409  1.8 3.6 5 65 0.005 98 86 Yes  -   - 
•Common-Mode Sense
  -  THIN QFN/20  - 
MAX4411  1.8 3.6 5 65 0.007 98 86 No 1.5 2
•Independent Shutdown Controls
  -  THIN QFN/20
UCSP/16 		4
MAX4410  1.8 3.6 7 65 0.006 98 90 Yes  -   - 
•Independent Shutdown Controls
  -  TSSOP/14
UCSP/16 		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
MAX9725  0.9 1.8 2.1 25 0.02 92 80 No 2 4  -   -  THIN QFN/12
UCSP/12 		3
See All Headphone Amplifiers (11)


         



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