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Amplifier Ics

Monolithic Power Systems

  • Audio amplifier / Class D

MP7752

Article: 00005681

Audio amplifier / Class D

MP7752 is an analog input inductorless Class D Audio Amplifier which can drive stereo speakers in bridge-tied-load configuration. It is one of MPS products of fully integrated audio amplifiers which dramatically reduce solution size by integrating the following:
240m power MOSFETs
Startup / Shutdown pop elimination
Short circuit protection circuits
Advanced EMI performance
Inductorless while passing EMC test
The MP7752 utilizes a stereo BTL structure capable of delivering 15W per channel into 8 speakers at 16V power supply. MPS Class D Audio Amplifiers exhibit the high fidelity of a Class AB amplifier at high efficiencies.
The MP7752 includes an internal circuit which allows the system automatic shutdown after the absence of the audio signal. This feature is used for energy-using products and for battery operated applications.
It also has an adjustable power limit function. The PLIMIT circuit sets a limit on the output peak-to-peak voltage. The limiting is done by limiting the duty cycle to fixed maximum value. This limit can be thought of as a "virtual" voltage rail which is lower than the supply connected to PVCC.
The MP7752 is available in TSSOP-28 EP package.
Features

5V to 18V Operation from a Single Supply
5A Peak Current Output
Output Power:
-----9.5W/channel at 12V, 8!& Load, 10%THD
-----15W/Channel at 16V, 8!& Load, 10%THD
90% Efficiency with 8!& Load, 10%THD, 1kHz, 12V Supply Voltage
240m power MOSFETsStartup / Shutdown pop elimination
Short circuit protection circuits
Inductorless Topology

Specifications

  • Type: audio
  • Technology: Class D

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