The MAX9792A evaluation kit (EV kit) demonstrates the
MAX9792A IC, which combines a mono Class D power
amplifier, a DirectDrive® stereo headphone amplifier,
and a 120mA, 4.75V low-dropout regulator (LDO) for
notebook, tablet PC, and portable media player applications.
Maxim's patented† DirectDrive technology
eliminates the need for bulky DC-blocking capacitors at
the output of the headphone amplifier.
The EV kit is configured for a 12dB speaker amplifier
gain and a 0dB headphone amplifier gain. It is
designed to operate from a 4.5V to 5.5V speaker supply
and an optional separate 2.7V to 5.5V headphone
supply. The EV kit is capable of delivering up to 3W into
a 3Ω speaker and 180mW into a 32Ω headphone load.
Key Features
Applications/Uses
No DC-Blocking Output Capacitors Required at
Headphone Output
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