MAX98304 Mono 3.2W Class D Amplifier 0 pages

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For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
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MAX98304
Mono 3.2W Class D Amplifier
General Description
The MAX98304 mono 3.2W Class D amplifier provides
Class AB audio performance with Class D efficiency.
This device offers five selectable gain settings (0dB,
3dB, 6dB, 9dB, and 12dB) set by a single gain-select
input (GAIN).
Active emissions-limiting, edge-rate, and overshoot control
circuitry greatly reduces EMI. A filterless spreadspectrum
modulation scheme eliminates the need for
output filtering found in traditional Class D devices. These
features reduce application component count.
The IC's 0.95mA at 3.7V (1.2mA at 5V) quiescent current
extends battery life in portable applications.
The IC is available in a 9-bump (1.0mm x 1.0mm) WLP
with 0.3mm pitch that is specified over the extended
-40NC to +85NC temperature range.
Applications
Notebook and Netbook Computers
Cellular Phones
Tablets
MP3 Players
Portable Audio Players
VoIP Phones
Features
S Low Quiescent Current: 0.95mA at 3.7V
S Spread Spectrum and Active Emissions Limiting
S Five Pin-Selectable Gains
S 19ìVRMS Ultra-Low Noise
S 90dB PSRR
S Click-and-Pop Suppression
S Thermal and Overcurrent Protection
S Low-Current Shutdown Mode
S 1.0mm x 1.0mm, 9-Bump WLP (0.3mm Pitch)
Space-Saving Package
19-5519; Rev 0; 9/10
+Denotes a lead(Pb)-free/RoHS-compliant package.
Ordering Information
Typical Application Circuit Bump Configuration
EVALUATION KIT
AVAILABLE
PART TEMP RANGE
PINPACKAGE
TOP
MARK
MAX98304EWL+ -40NC to +85NC 9 WLP AIR
0.47ìF
0.1ìF
0.47ìF
+2.5V TO +5.5V
IN+
*SYSTEM BULK CAPACITANCE
INPVDD
+2.5V TO +5.5V
PGND
SHDN
GAIN MAX98304
10ìF*
OUT+
OUTWLP
TOP VIEW
BUMP SIDE DOWN
MAX98304
+
1 2 3
WLP
(1mm x 1mm x 0.64mm
0.3mm PITCH)
TOP VIEW
BUMP SIDE DOWN
MAX98304
+
OUTPGND
SHDN IN- IN+
N.C. GAIN
OUT+ PVDD
1 2 3
B
C
A