TAS6421-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community TAS6421-Q1 SLOSE32A – APRIL 2019 – REVISED OCTOBER 2019 TAS6421-Q1 75-W, 2-MHz Digital Input 1-Channel Automotive Class-D Burr-Brown™ Audio Amplifier with Load Dump Protection and I2C Diagnostics 1 Features 1 Advanced load diagnostics – DC Diagnostics run without input clocks – AC Diagnostic for tweeter detection with impedance and phase response Easily meet CISPR25-L5 EMC specification AEC-Q100 Qualified for automotive applications – Temperature grade: –40°C to +125°C Audio inputs – I2S or 4/8-channel TDM input – Input sample rates: 44.1 kHz, 48 kHz, 96 kHz – Input formats: 16-bit to 32-Bit I2S, and TDM Audio outputs – Single-channel bridge-tied load (BTL) – Up to 2.1 MHz output switching frequency – 27 W, 10% THD Into 4 Ω at 14.4 V BTL – 45 W, 10% THD Into 2 Ω at 14.4 V BTL Audio performance Into 4 Ω at 14.4 V BTL – THD+N < 0.02% at 1 W – 42 µVRMS Output Noise – –90 dB Crosstalk Load diagnostics with Host-independent operation – Output open and shorted load – Output-to-battery or ground shorts – Line output detection Up to 6 kΩ Protection – Output current limiting and short protection – 40 V Load dump – Open ground and power tolerant – Overtemperature warning and shutdown – Undervoltage and overvoltage, DC Offset General operation – 4.5 V to 26.4 V supply voltage – I2C control with 4 address options – Clip detection (latching or non-latching) 2 Applications Automotive ...