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MA5342MS - MERUS™ 2-channel analog input class D audio multichip module optimized for high-impedance speakers

Product Overviews

MA5342MS is integrated class D audio amplifier ICs. It is optimized for 4-16 Ω speaker impedances. It offers the same or higher output power than monolithic alternatives without heatsink and 50% less footprint. This MCM solution integrates 2 channel PWM controller, high voltage gate driver, and 4 low RDS(ON) MOSFETs. It includes standard class D protection features for reliable operation over various environmental conditions. 

Summary of Features

Small 7x7 mm package

Heatsink-less operation at 2x144 W at 8 Ω

150 V rating of the integrated MOSFETs

95% efficiency Class D at 2x210 W at 8 Ω

Split or single power supply capable

Differential or single-ended input

2xSE, BTL, PSE (Parallel Single-Ended)

OCP, OTP, and UVP with self-reset

Start/stop click noise reduction

Clip and Fault reporting outputs

Benefits

Enables heatsink-less solution

Reduced bus caps and output filters

No needs for external protections

Potential Applications

AV receiver

Home theater

Multi-room amplifier

Marine amplifier

Active speaker

Studio monitor

General-purpose audio power amplifier

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