TAS2559

Product Folder Order Now Technical Documents Tools & Software Support & Community TAS2559 SLASEE8B – NOVEMBER 2016 – REVISED FEBRUARY 2019 TAS2559 5.7-W Class-D mono audio amplifier with class-H boost and speaker sense with stereo processing 1 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 response PSRR 110 dB for 200 mVpp ripple at 217 Hz Input sample rates from 8 kHz to 96 kHz Built-in speaker sense – Measures speaker current and voltage – Measures VBAT voltage, chip temperature Dedicated real-time DSP for speaker protection – Thermal and excursion protection – Detects speaker leaks and damage High efficiency class-H boost converter with multilevel tracking – 86% at 500 mW in 8 Ω with 3.6 V VBAT – 87% at 700 mW in 8 Ω with 4.2 V VBAT Configurable automatic gain control (AGC) – Limits battery current consumption Adjustable class-D switching edge-rate control Thermal, short-circuit, and under-voltage protection I2S, Left-justified, right-justified, DSP, and TDM input and output interface, I2C or SPI interface for register control Stereo configuration using the TAS2559 and TAS2560 devices Power supplies – Boost input: 2.9 V to 5.5 V – Analog/digital: ...