APA2056A 2.
4W Stereo Audio Power Amplifier & Capfree Headphone Driver Features General Description The APA2056A is a monolithic integrated circuit, which combines a stereo power amplifier and a stereo output capacitor-less headphone amplifier.
The headphone amplifier is ground-reference output, and no need the output capacitors for DC blocking.
The advantages of eliminating the output capacitor are saving the cost, PCB’ s space and component height.
Both the de-pop circuitry and the thermal shutdown protection circuitry are integrated in the APA2056A, which reduces pops and clicks noise during power on/ off and in shutdown mode.
Thermal shutdown protects the chip from being destroyed by over...

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