Analog Devices Inc.
Digital Input, Mono 2 W, Class-D Audio Power Amplifier Features: Filterless mono, digital input Class-D amplifier I2C control interface Serial digital audio interface supports common formats (I2S, PCM, LJ, RJ, TDM1-16, PDM) Supports wide range of sample rates: 8.0 kHz to 96.0 kHz MCLK and BCLK can be provided by built-in phase-locked loop (PLL) Supports single power supply mode; DVDD can be provided by built-in low dropout (LDO) regulator 2.5 V to 5.5 V SPKVDD operating supply voltage 1.08 V to 1.98 V DVDD operating supply voltage Support off-chip volume control without I2C 2.4 W into 4 and 1.4W into 8 at 5V supply with <1% THD+N Available in a 16-ball, 1.92 mm × 1.94 mm, 0.4 mm pitchWLCSP Efficiency 95% at full scale into 8 Signal-to-noise ratio (SNR): 103 dB, A-weighted Power supply rejection ratio (PSRR): >80 dB at 217 Hz Digital volume control: −70 dB to +24 dB in 0.375 dB steps Ultralow idle current Autosample rate detection Pop-and-click suppression Short-circuit and thermal protection with programmable autorecovery Supports smart power-down when no input signal is detected Power-on reset and UVLO voltage monitoring Selectable ultralow EMI emission mode Supports SPKVDD voltage monitor Digital audio processing 7-band programmable equalizer Programmable dynamic range compression (DRC) with noise gate, expander, compressor, and limiter