AnalogicTech’s AAT5101 is a mono class D audio power amplifier which operates across a wide 2,1 V to 5,5 V supply voltage, making it suitable for systems using low-voltage Li-ion/polymer batteries. To further extend battery life, the amplifier delivers up to 92% efficiency and offers a very low 0,06 μA shutdown current and 1,35 mA quiescent current. The device outputs 1,35 W into an 8 Ω load with THD+N less than 1% and 2,5 W into a 4 Ω load with THD+N less than 10%. Its low noise, filterless PWM architecture simplifies system design by eliminating the output filter. PSRR is -60 dB, while SNR is 91dB.
The AAT5101 also features integrated thermal and short circuit protection circuitry with self-recovery to protect the device from damage during over-current conditions. Proprietary circuitry effectively suppresses pop and click noise.
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