Description

Digital Input Stereo, 2 W, Class-D Audio Power Amplifier Features: Filterless, digital input Class-D amplifier Serial digital audio interface supports common formats: I2S, left justified, right justified, TDM1-16, and PCM 2 channels × 2 W into 4 Ω and 2 channels × 1.4 W into 8 Ω with 1% THD+N, when using a 5 V supply I2C control interface or standalone operation 91% efficiency at full scale into an 8 load 97 dB signal-to-noise ratio (SNR), A-weighted 80 dB power supply rejection ratio (PSRR) at 217 Hz Digital volume control: −71.25 dBto +24 dBin 0.375 dBsteps Supports a wide range of sample rates from 8 kHz to 96 kHz Automatic sample rate detection Can operate using 64 × fS BCLK as the MCLK source 2.5 V to 5.5 V speaker supply voltage (PVDD) 1.62 V to 3.6 V digital supply voltage (DVDD) Pop-and-click suppression Short-circuit and thermal protection with programmable autorecovery Smart power-down when no input signal is detected Power-on reset Low power modes for performance/power trade-offs User selectable ultralow EMI emission mode Programmable dynamic range compression (DRC) with noise gate, expander, compressor, and limiter Available in two packages 16-bump, 2.2 mm × 2.2 mm, 0.5 mm pitch WLCSP 20-lead, 4.0 mm × 4.0 mm LFCSP