EYE on NPI - Richtek RT9120S Class-D Audio Amplifier with DRC Control
This week's EYE ON NPI is in a class of its own, it's Richtek's RT9120S Series Class-D Audio Amplifier with DRC Control,(https://www.digikey.com/en/product-highlight/r/richtek/rt9120s-class-d-audio-amplifier) a powerful amplifier with a wide operating voltage range, high efficiency, high wattage and many supported input formats We love I2S audio amplifiers here, they're a huge step up from PWM + analog amplifiers (https://en.wikipedia.org/wiki/Pulse-width_modulation) in that you will get much higher audio quality due to having true analog output and the DAC being tuned for 16, 24 or 32-bit…
The skinny
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