RTQ9128DL-QA Datasheet (Richtek) - Digital Input 4-Channel Automotive Audio Amplifier

RTQ9128DL-QA, Digital Input 4-Channel Automotive Audio Amplifier

The RTQ9128DL-QA is an ultra-low output noise, highefficiency, four-channel class-D audio power amplifier.

It delivers 4x27W into 4 at 10% THD+N from a 14.4V supply in automotive applications.

It can achieve over 87% power efficiency with an output switching frequency of up to 2.1MHz for clarity, w

RTQ9128DL-QA Features

* comprehensive diagnostics array specially designed for automotive applications. The built-in anti-pop functions can reduce the speaker’s pop noise under all kinds of scenarios. Its built-in protection circuits provide thermal fold-back, overtemperature, overcurrent, overvoltage, and undervoltage pro