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PRELIMINARY
Mono 2.6W Class D Amplifier
General Description
The MAX98300 mono 2.6W 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 patented filterless spread-spectrum modulation** scheme eliminates
the need for output filtering found in traditional Class D
devices. These features reduce application component
count.
The MAX98300 industry-leading 0.78mA at 3.7V, 1.1mA
at 5V, quiescent current extends battery life in portable
applications.
The MAX98300 is available in an 8-pin TDFN-EP (2mm
x 2mm x 0.8mm) and a 9-bump (1.2mm x 1.2mm) WLP.
Both packages are specified over the extended -40NC to
+85NC temperature range.
MAX98300
Features
S Industry-Leading Quiescent Current: 0.78mA at
3.7V, 1.1mA at 5V
S Spread Spectrum and Active Emissions Limiting
S Five Selectable Gains
S Click-and-Pop Suppression
S Thermal and Overcurrent Protection
S Low-Current Shutdown Mode
S Space-Saving Packages
2mm x 2mm x 0.8mm, 8-Pin TDFN-EP
1.2mm x 1.2mm, 9-Bump WLP (0.4mm Pitch)
Applications
Notebook and Netbook Computers
Cellular Phones
MP3 Players
Portable Audio Players
VoIP Phones
Ordering Information
PART TEMP RANGE PIN-PACKAGE
MAX98300ETA+*
MAX98300EWL+
+Denotes lead(Pb)-free/RoHS-compliant package.
*Future product—contact factory for availability.
**EP = Exposed pad.
-40NC to +85NC
-40NC to +85NC
8 TDFN-EP**
9 WLP
Typical Application Circuit
+2.6V TO +5.5V
1µF
1µF
SHDN
GAIN
IN+
IN-
MAX98300
+2.6V TO +5.5V
PVDD
OUT+
OUT-
PGND
0.1µF
10µF*
*SYSTEM BULK CAPACITANCE
_______________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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