In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5W. The device is operated in AD-mode, and can drive up to 2 x 315 W into 4-Ω load at 10% THD and 2 x 150 W unclipped into 8-Ω load and features a 2 VRMS analog input interface that works seamlessly with high performance DACs such as TIs PCM5242. This technology allows ultra low distortion across the audio band and superior audio quality. It features an advanced integrated feedback design and proprietary high-speed gate driver error correction (PurePath™ Ultra-HD). TPA3255 is a high performance class-D power amplifier that enables true premium sound quality with class-D efficiency. EMI Compliant When Used With Recommended System Design.Self-Protection Design (Including Undervoltage, Overtemperature, Clipping, and Short Circuit Protection) With Error Reporting.Wide 18-V to 53.5V Supply Voltage Operation.Ultra Low 0.006% THD+N at 1 W into 4 Ω and 65 dB PSRR (BTL, 1 kHz, No Input Signal).Signal Bandwidth up to 100 kHz for High Frequency Content From HD Sources.Advanced Integrated Feedback Design with High-speed Gate Driver Error Correction.480-W Mono into 2 Ω in PBTL Configuration. 150-W Stereo into 8 Ω in BTL Configuration.260-W Stereo into 4 Ω in BTL Configuration.600-W Mono into 2 Ω in PBTL Configuration.185-W Stereo into 8 Ω in BTL Configuration.315-W Stereo into 4 Ω in BTL Configuration.
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