TS4621E - STMicroelectronics

TS4621E High-performance class-G stereo headphone amplifier

The TS4621E is a class-G stereo headphone driver dedicated to high audio performance, high power efficiency and space-constrai.

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
■ I2C interface for volume control
■ Digital volume control range from -60 dB to +4 dB
■ Independent right and left channel shutdown control
■ Integrated high-efficiency buck converter
■ Low software standby current: 5 µA max
■ Output-coupling capacitors removed
■ Thermal shutdown and short-circuit protection
■ Flip-chip package: 1..