TAS5421-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TAS5421-Q1 SLOS814D – MARCH 2014 – REVISED SEPTEMBER 2016 TAS5421-Q1 22-W Mono Automotive Digital-Audio Amplifier With Load Dump and I2C Diagnostics 1 Features 1 Mono BTL Digital Power Amplifier 22-W Output Power at 10% THD+N into 4 Ω 4.5-V to 18-V Operating Range 85% Efficiency into 4 Ω Differential Analog Input Speaker Guard™ Speaker Protection with Adjustable Power Limiter 75-dB Power-Supply Rejection Ratio (PSRR) Load Diagnostic Functions: – Open and Shorted Output Load – Output-to-Power and Output-to-Ground Shorts Protection and Monitoring Functions: – Short-Circuit Protection – 40-V Load Dump Protection per ISO-7637-2 – Output DC Level Detection while Music is Playing – Overtemperature Protection – Overvoltage and Undervoltage Protection Thermally Enhanced 16-Pin HTSSOP (PWP) Package with PowerPAD™ Package (Pad Down) Designed for Automotive EMC Requirements Qualified According to AEC-Q100 Grade 2 ISO9000: 2002 TS16949 Certified –40°C to 125°C Ambient Temperature Range 2 Applications Automotive Emergency Call (eCall) Amplifier Telematics Systems Instrument Cluster Systems Infotainment Audio 3 Description The TAS5421-Q1 is a mono digital audio amplifier, ideal for use in automotive emergency call (eCall), telematics, instrument cluster, and infotainment applications. The device provides up to 22 W into 4 Ω at less than 10% THD+N from a 14.4-Vdc a...