TAS6424E-Q1 45-W, 2-MHz Digital Input 4-Channel Automotive Class-D Audio Amplifier with Load Dump Protection and I2C Diagnostics

1 Features

AEC-Q100 Qualified for automotive applications
- Temperature grade 1: –40°C to +125°C T_A
Advanced load diagnostics
- DC Diagnostics run without input clocks
- AC Diagnostic for tweeter detection with impedance and phase response
Easily meets CISPR25-L5 EMC specifications
Audio inputs
- 4 Channel 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
- Support for high resolution audio systems
Audio outputs
- Four-channel bridge-tied load (BTL)
- Two-channel parallel BTL (PBTL)
- Up to 2.1 MHz output switching frequency
- 45 W, 10% THD Into 2 Ω at 14.4 V BTL
- 75 W, 10% THD Into 4 Ω at 25 V BTL
- 150W, 10% THD Into 2 Ω at 25 V PBTL
Audio performance into 4 Ω at 14.4 V BTL
- THD+N <0.009% at 1 W
- 30 µV_RMS output noise
- –97 dB crosstalk
Load diagnostics
- Open load, shorted load, short-to-battery, short-to-ground
- Line output detection up to 6 kΩ
Protection
- Output current limiting and short protection
- 40 V Load dump
- Open ground and power tolerant
- DC offset
- Over-temperature, undervoltage, and overvoltage
General operation
- 4.5 V to 26.4 V supply voltage
- I²C Control with 4 address options
- Latched and non-latched clip detect
- Enhanced EMI management