TS4621ML

TS4621ML High-performance class-G stereo headphone amplifier Features ■ Power supply range: 2.3 V to 4.8 V ■ 0.6 mA/channel quiescent current ■ 2.1 mA current consumption with 100 µW/channel (10 dB crest factor) ■ 0.006% typical THD+N at 1 kHz ■ 100 dB typical PSRR at 217 Hz ■ 100 dB of SNR A-weighted at G = 0 dB ■ Zero "pop and click" ■ Gain settings : 0 dB and 6 dB ■ Integrated high efficiency step-down converter ■ Low standby current: 5 µA max ■ Output-coupling capacitors removed ■ Thermal shutdown ■ Flip-chip package: 1.65 mm x 1.65 mm, 400 µm pitch, 16 bumps Applications ■ Cellular phones, smartphones ■ Mobile internet devices ■ PMP/MP3 players ■ Portable CD/DVD players Description The TS4621ML is a class-G stereo headphone driver dedicated to high-performance audio, highpower efficiency and space-constrained applications. It is based on the core technology of a low power dissipation amplifier combined with a highefficiency step-down DC/DC co...