TS4621E is a high-performance class-G stereo headphone amplifier with I2C volume control. Its features include a wide power supply range, low quiescent current, low power consumption, low THD+N, high PSRR, and high SNR.
The TS4621E is a high-performance class-G stereo headphone driver designed for high audio quality and power efficiency in space-constrained applications such as mobile phones and MP3 players. It integrates a high-efficiency buck converter to supply the amplifier, achieving a total current consumption of 2.1 mA at 100 pW output power. The device features zero pop and click, independent channel shutdown, and thermal/short-circuit protection.
| Power supply range | 2.3 V to 4.8 V |
|---|---|
| Quiescent current | 0.6 mA/channel |
| Total current consumption | 2.1 mA |
| Total harmonic distortion + noise | 0.006% typical |
| Power supply rejection ratio | 100 dB typical |
| Signal-to-noise ratio | 100 dB A-weighted |
| Digital volume control range | -60 dB to +4 dB |
| Operating temperature range | -40 to +85 °C |
| Package type | 16-bump flip-chip |
The quiescent current is 0.6 mA per channel.
Yes, it includes an integrated high-efficiency buck converter.
The digital volume control range is from -60 dB to +4 dB.
The typical THD+N is 0.006% at 1 kHz.