FEATURES
Filterless, stereo, Class-D amplifier with Σ-Δ modulation 2 W into 4 Ω load and 1.4 W into 8 Ω load at 5.0 V supply with <1% total harmonic distortion plus noise (THD + N) Highly configurable I2C interface for gain adjust, automatic level control (ALC), and ultralow EMI emissions mode MODE pin can disable I2C interface for more traditional stereo amplifier configuration Stereo-to-mono mixer option via I2C control 93% efficiency at 5.0 V, 1.4 W into 8 Ω speaker Signal-to-noise ratio (SNR): >100 dB Single-supply operation from 2.5 V to 5.5 V Ultralow shutdown current: 20 nA Short-circuit and thermal protection Pop-and-click suppression Available in 16-ball, 2.0 mm × 2.0 mm WLCSP APPLICATIONS
Mobile phones MP3 players Portable electronics GENERAL DESCRIPTION
Analog Devices
