MP7752 MP7752GF-Z 18V, 2x15W Stereo BTL, Fixed Frequency, Inductorless Class-D Audio Amplifier
Descrizione
DESCRIPTION The MP7752 is an analog input inductorless class-D audio amplifier, which drives stereo speakers in bridge-tied-load configuration. It is a fully integrated audio amplifier, which reduces solution size dramatically.
It integrates 240mΩ power MOSFETs and short-circuit protection circuits, and it features start-up/shutdown pop elimination and advanced EMI performance.
Also, it is inductorless while passing the EMC test. The MP7752 utilizes a stereo BTL structure capable of delivering 15W per channel into 8Ω speakers with a 16V power supply. MPS class-D audio amplifiers exhibit the high fidelity of class-AB amplifiers at high efficiency.
The MP7752 includes an internal circuit which allows the system to shut down automatically after the absence of the audio signal is detected. This feature is used for energy-using products and battery operated applications.
Also, it has an adjustable power limit function. The PLIMIT circuit sets a limit on the output peak-to-peak voltage.
This is done by limiting the duty cycle to a 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 a TSSOP-28 EP package.
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