TPA3255 HIFI Digital Power Amplifier Board Dual-channel 300W+300W High Power Ultra-low Distortion Amplifier

Introduction TPA3255 is a high performance Class D power amplifier it has D class efficiency and can bring real high end sound quality The device features a highly advanced integrated feedback design and a proprietary high speed gate driver error correction feature PurePath ™ Ultra HD This technology allows the device to maintain ultra low distortion throughout the audio band while delivering perfect sound quality The device operates in AD mode with up to two 315W 4R loads and two 150W non clipped power 8R loads with a THD of 10 and features a 2 VRMS analog input interface that supports high performance DAC Such as TI s PCM5242 seamlessly In addition to excellent audio performance TPA3255 also combines high power efficiency and ultra low power idle loss less than 2 5W two major advantages This can be achieved with a 85mR MOSFET and an optimized gate driver scheme The scheme can significantly reduce the idle loss relative to the traditional discrete implementation scheme Basic parameters Work Class DQuiescent current 60mAWork efficiency 90 Output Power 315W 4Ω distortion 10 185W 8Ω distortion 10 260W 4Ω distortion 1 150W 8Ω distortion 1 Frequency response 20Hz to 20KHzDynamic range 100 dBSignal to noise ratio SNR 111dBOperating voltage DC35V 48VPCB size 117 x 122 x 35mmWeight 360gPackage included 1 x Digital Power Amplifier