MA12070P Filterless and High-Efficiency +4V to +26V Audio Amplifier with I2S Digital Input DescriptionFeatures The MA12070P is a super-efficient audio power • Proprietary Multi-level Switching Technology amplifier based on proprietary multi-level switching ◦ 3-level and 5-level modulation technology. It supports a 4-26V supply voltage range, ◦ Low EMI emission allowing it to be used in many different applications. ◦ Filterless amplification Multi-level switching enables very low power loss ◦ Digital Power Management Algorithm during operation. In addition, it allows the amplifier to • High Power Efficiency (PMP4) be used in filterless configurations at full rated power ◦ <160mW Idle power dissipation (26V PVDD, in a wide range of audio products. all channels switching) The MA12070P features an embedded digital power ◦ >80% Efficiency at 2W power (1kHz sine, 8Ω) management scheme. The power management ◦ >92% Efficiency at Full Power (1kHz sine, 8Ω) algorithm dynamically adjusts switching frequency and • Audio Performance (PMP2) modulation to optimize power loss and EMI across the output power range. ◦ >101dB DNR (A-w, rel. to 1% THD+N power level) An integrated digital-to-analog converter enables ◦ 140µV output integrated noise (A-w) digital I2S audio stream input. It supports sample rates ◦ 0.007% THD+N at high output levels from 44.1 kHz to 192 kHz. • 4th Order Feedback Error Control Highly flexible output stage configurations are offered, ◦ High suppression of supply disturbance ranging from four single-ended outputs to a single ◦ HD audio quality parallel-BTL output. • Supply Voltages: +4V to +26V (PVDD) and +5V The MA12070P features protection against DC, short- (A/DVDD) circuits, over-temperature and under-voltage • Volume Control and Limiter situations. • 2x30W continuous output power (RL = 8Ω at 22V, Flexible “Power Mode Profiles” allow the user to utilize PMP4, 10% THD+N level, without heatsink) the multi-level switching technique for very low power • 2×80W peak output power (26V PVDD, RL = 4Ω, loss or very high audio performance. 10% THD+N level) Device communication and programming is controlled • 2.0, 2.1, 4.0, 1.0 Output Stage Configurations through an I2C interface as well as dedicated control • Protection pins. ◦ Under-voltage-lockout ◦ Over-temperature warning/error
◦ Short-circuit/overload protection ◦ Power stage pin-to-pin short-circuit Applications ◦ Error-reporting through serial interface (I2C) • Battery Operated Speakers ◦ DC protection • Wireless and Docking Speakers • I2C control (four selectable addresses) • Soundbars • Heatsink free operation with EPAD-down package • Multiroom Systems Package • Home Theater Systems • 64-pin QFN Package with exposed thermal pad (EPAD) and Lead-free Soldering Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0 www.infineon.com page 1 of 88 2018-07-17
