AD52650

ESMT/EMP Features z z z z z z z z z z Supply voltage range: 2.5 V to 5.5 V Support single-ended or differential analog input Low static operation current Low shut-down current Short power-on transient time Two volume control modes „ DC volume control from -38dB to +20dB „ 4-step volume gain of +6, +12, +18, +24dB Independent shut-down control for left or right channel Short-circuit and thermal protection Loudspeaker power within 10% THD+N „ 1.5W/ch into 8Ω loudspeaker „ 2.5W/ch into 4Ω loudspeaker Loudspeaker efficiency „ 90% @ 8Ω, Po,10% THD+N „ 85% @ 4Ω, Po,10% THD+N AD52650 2.5W/CH Stereo Filter-less Class-D Audio Amplifier Description The AD52650 is a stereo, filter-less class-D audio amplifier. Operating with 5.0V loudspeaker driver supply, it can deliver 2.5W/CH output power into 4 Ω loudspeaker within 10% THD+N. The AD52650 has two volume control modes by setting MODE pin. While MODE pin is set logic high, AD52650 is in DC volume control mode with 31-step volume gain from -38 dB to +20dB, adjusted by the DC voltage applied on G0 pin. Otherwise, AD52650 is the 4-step volume gain mode with +6dB, +12dB, +18dB, and +24dB gain, selected by setting G0 and G1 pins. The two volume adjustment modes are designed to fit the different volume control requirements in various applications. The AD52650 packaged as E-TSSOP 24L is a stereo audio amplifier with high efficiency, which leads to longer battery life, less heat sink requirement, smaller board size and lower system cost, and...