1 Features

AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C, T_A
General operation
- 4.5-V to 45-V supply voltage, 50-V load dump
- Support for 1.8-V and 3.3-V I/O’s
- I²C control with 8 address options
- <2-W idle power loss at 14.4 V, <8-uA max VBAT+PVDD shutdown loss
Integrated DSP processing
- Class-H supply voltage control
- Thermal monitoring and foldback
- Clip detection, PVDD monitoring and foldback
Output current sensing by channel via I²S/TDM
- No need for external circuitry
Real-time load diagnostics
- Monitor output conditions while playing audio
- Open load, Shorted load, Short-to-power, Short-to-ground detection
DC and AC Standby load diagnostics
Audio inputs
- 2-4 channel I²S or 4-16 channel TDM input
- Input sample rates: 44.1, 48, 96, 192 kHz
- Secondary low latency path, >70% reduced signal delay at 48 kHz
Audio outputs
- 4-channel bridge-tied load (BTL), configurable 2-channel parallel BTL (PBTL)
- 384-kHz to 2.1-MHz configurable output switching frequency
- Up to 10-A channel output current
- 400-VA peak BTL output power
- 118 W (45 V, 8 Ω, 1% THD, BTL)
- 215 W (45 V, 4 Ω, 1% THD, BTL)
Audio Performance
- THD+N 0.03% (8 Ω, 1 W, 1 kHz)
- 111 dB SNR
- 37 µV (14.4 V), 80 µV (45 V) output noise
Protection
- Output short protection
- DC offset, undervoltage and overvoltage
- Configurable overtemperature warning and individual channel shutdown
- I²C temperature and supply voltage readout
Easily meet CISPR25-L5 EMC specification
- Advanced spread-spectrum