Analog Signal Input Class D Amplifier for Piezo Speaker
Manufacturer's part number :
The NJU8752 is an analog signal input monaural class D amplifier for Piezo speaker. The NJU8752 includes Inversion operational amplifier input circuit, PWM modulator, an output-short protector and a low voltage detector. Input part operates on 3.3V(TYP) as power supply and Output part operates up to 16.0V(MAX). Therefore, it drives Piezo speaker with louder sound and High efficiency.
The NJU8752 incorporates BTL amplifier, which eliminate AC coupling capacitors, capable of driving Piezo speaker with simple external LC low-pass filters. Class D operation achieves lower power operation for Piezo speaker, thus the NJU8752 is suited for battery powered applications.
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