TAS2557 Overview
The TAS2557 device is a state-of-the-art Class-D audio amplifier which is a full system on a Chip (SoC).
TAS2557 Key Features
- 1 Ultra low-noise mono boosted class-D amplifier
- 5.7 W at 1% THD+N and 6.9 W at 10% THD+N into 4-Ω load from 4.2-V supply
- 3.8 W at 1% THD+N and 4.5 W at 10% THD+N into 8-Ω load from 4.2-V supply
- Output noise for DAC + class-D (ICN) is 15.9 µV
- DAC + class-D SNR 111 dB at 1%THD+N/8 Ω
- THD+N -90 dB at 1 W / 8 Ω with flat frequency
- Post-filter feedback (PFFB)
- PSRR 110 dB for 200 mVpp ripple at 217 Hz
- Input sample rates from 8 kHz to 96 kHz
- Built-in speaker sense