PAM8902A Overview
The PAM8902A is a mono, Class-D audio amplifier with integrated boost convertor designed for piezo and ceramic speakers. The PAM8902A is capable for driving a ceramic/piezo speaker with 30VPP(0.6Vrms) from a 3.6V power supply. The PAM8902A's boost converter operates at a fixed frequency of 1.5MHz and provides a 17.5V supply with a minimum number of external ponents.
PAM8902A Key Features
- Supply Voltage Range from 2.7V to 5.5V package
- 30VPP Output Load Voltage from a 2.7V Supply
- Integrated Boost Converter Generates 17.5V Supply
- Programmable Soft-Start
- Unique Anti-Saturation Function
- Small Boost Converter Inductor
- Selectable Gain of 18dB, 22dB, and 26dB
- Selectable Boost output voltage of 8V, 12V, and 17.5V
- Low Shutdown Current: <1µA
- Build in Thermal, OCP, UVLO, OVP