The TAS5421-Q1 automotive class-D audio amplifier targets automotive emergency call (eCall) and instrument cluster systems and will output 22-W at 10% THD+N into 4 Ω. It integrates 40-V load-dump protection and I2 C diagnostics.
The thermally enhanced HTSSOP16 packaged IC also has over-temperature protection and a 40° to 125°C ambient temperature range. The Mono BTL digital power amplifier runs from a 4.5- to 18-V supply and features 85% efficiency into 4 Ω. From $1.74 ea/1,000.
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