TPA3112D1-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community TPA3112D1-Q1 SLOS793B – SEPTEMBER 2012 – REVISED SEPTEMBER 2015 TPA3112D1-Q1 25-W Filter-Free Mono Class-D Audio Power Amplifier With SpeakerGuard™ 1 Features 1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range – Device HBM ESD Classification Level H2 – Device CDM ESD Classification Level C2 25-W into an 8-Ω Load at < 0.1% THD+N From a 24-V Supply 20-W into an 4-Ω Load at 10% THD+N From a 12-V Supply 94% Efficient Class-D Operation into 8-Ω Load Eliminates Need for Heat Sinks Wide Supply Voltage Range Allows Operation from 8 to 26 V Filter-Free Operation SpeakerGuard Protection Circuitry Includes Adjustable Power Limiter Plus DC Protection Flow Through Pin Out Facilitates Easy Board Layout Robust Pin-to-Pin Short Circuit Protection and Thermal Protection with Auto-Recovery Option Excellent THD+N and Pop Free Performance Four Selectable, Fixed Gain Settings Differential Inputs 3 Description The TPA3112D1-Q1 is a 25-W efficient, Class-D audio power amplifier for driving a bridge tied speaker. Advanced EMI Suppression Technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements. SpeakerGuard™ protection circuitry system includes an adjustable power limiter and a DC detection circuit. The adjustable power l...