Description

Filterless High Efficiency Mono 3 W Class-D Audio Amplifier Features: Filterless Class-D amplifier with spread-spectrum Σ-Δ modulation 3 W into 3 load and 1.4 W into 8 load at 5.0 V supply with <1% total harmonic distortion (THD + N) 93% efficiency at 5.0 V, 1.4 W into 8 speaker >100 dB signal-to-noise ratio (SNR) High PSSR at 217 Hz: 80 dB Flexible gain adjustment pin: 0 dB to 12 dB in 3 dB steps Fixed input impedance: 80 k User-selectable ultralow EMI emissions mode Single-supply operation from 2.5 V to 5.5 V 20 nA shutdown current Short-circuit and thermal protection with autorecovery Available in 9-ball, 1.5 mm × 1.5 mm WLCSP Pop-and-click suppression