SSM2517

Data Sheet PDM Digital Input, Mono 2.4 W Class-D Audio Amplifier SSM2517 FEATURES Filterless digital Class-D amplifier Pulse density modulation (PDM) digital input interface 2.4 W into 4 Ω load and 1.38 W into 8 Ω load at 5.0 V supply with <1% total harmonic distortion plus noise (THD + N) Available in 9-ball, 1.5 mm × 1.5 mm, 0.5 mm pitch WLCSP 92% efficiency into 8 Ω at full scale Output noise: 43 μV rms at 3.6 V, A-weighted THD + N: 0.035% at 1 kHz, 100 mW output power PSRR: 85 dB at 217 Hz, input referred with dither input Quiescent power consumption: 10.4 mW (VDD = 1.8 V, PVDD = 3.6 V, 8 Ω + 33 μH load) Pop-and-click suppression Configurable with PDM pattern inputs Short-circuit and thermal protection with autorecovery Smart power-down when PDM stop condition or no clock input detected 64 × fS or 128 × fS operation supporting 3 MHz and 6 MHz clocks DC blocking high-pass filter and static input dc protection User-selectable ultralow EMI emissions mode Power-on reset (POR...