The bridged-Tied class-D audio amplifier chip and PCB are desinged and tested in this project, summary of the performance is listed in the table below.

Parameter Value
Analog supply voltage (AVDD) 1.8V
Power supply voltage (PVDD) 1.8V
Voltage gain (S/E input to differential output) 0.5-2.5
PWM frequency 630kHz
Peak output power for 8$\Omega$ load (1kHz) 167mW
Average $\eta$ 85%
Typical THD -45dB

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