EVALAUDIOMA12040PTOBO1

EVALAUDIOMA12040PTOBO1 is an audio evaluation kit using high power efficient digital-input multilevel MERUS™ class D amplifier IC MA12040P. The audio evaluation kit enables the assessment of the MERUS™ digital input multilevel class D amplifier IC 2x40 W (MA12040P) for high-performance filter-less and heatsink-free audio applications. It offers configurable audio channels, digital input format, recommended supply voltage, low output noise level, high dynamic range, and low idle power consumption. It also contains two on-board power supply generators (5V and 3.3V buck-converted) so only one external power supply (PVDD) is necessary. The board can be used for evaluating or demonstrating key features/advantages of the MERUS™ technology: energy efficiency (power losses at typical audio listening levels / Idle power loss), adaptive power management system, minimum output filter components (significant cost and size reduction), THD performance and audio quality.

• Number of audio channels: 2xBTL, 1xPBTL, 1xBTL+2xSE
• Digital (I2S) audio input format
• 20dB / configurable 26dB amplifier gain
• 18V supply voltage
• Output noise level less than 150µVrms (AW), dynamic range is greater than 95dB
• Idle consumption at PVDD=18V is less than 19mA
• Unique sound quality of multilevel class D amplifier w/ digital I2S I/P and speaker setup of choice
• Facilitates accurate power efficiency and audio performance measurements via standard audio analyser
• Includes pre-recorded measurement data to help the user validate measurements from own test setup

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