Description

Filterless, High Efficiency, Mono 3 W Class-D Audio Amplifier Features: Filterless Class-D amplifier with Σ-Δ modulation No sync necessary when using multiple Class-D amplifiers from Analog Devices, Inc. 3 W into 3 Ω load and 1.4 W into 8 Ω load at 5.0 V supply with <1% total harmonic distortion (THD + N) 93% efficiency at 5.0 V, 1.4 W into 8 Ω speaker >103 dB signal-to-noise ratio (SNR) Single-supply operation from 2.5 V to 5.5 V 20 nA ultralow shutdown current Short-circuit and thermal protection Available in 9-ball, 1.5 mm × 1.5 mm WLCSP Pop-and-click suppression Built-in resistors reduce board component count Default fixed 6 dB or user adjustable gain setting