EVAL_AUDIO_MA12070P
Overview
Evaluation board – audio board using highly power efficient digital-input multilevel MERUS™ class D amplifier IC MA12070P
This board is discontinued. Please refer to the newer version EVAL_AUDIO_MA12070P_B.
The audio evaluation kit contains all hardware and software elements that are needed to evaluate the highly power efficient MERUS™ digital input multilevel class D amplifier IC 2x80 W (MA12070P). The IC is specifically targeted for high performance filter-less and heatsink-free audio applications.
- Configurable number of audio channels: 2xBTL or 4xSE or 1xBTL+2xSE
- Audio input format: digital (I2S)
- Recommended supply voltage (PVDD) range: 18 V to 26 V max.
- Output noise level: <150 µVrms (AW)
- Dynamic range: >100 dB
- Idle power consumption at 26V PVDD: <370 mW
List of components
- Digital-input multilevel class D amplifier IC (MA12070P)
Summary of Features
- Configurable, single-voltage-supply amplifier board
- PC programming interface board (with USB connection)
- Coils to be used in series with standard resistive loads (to mimic speaker impedances) for more accurate efficiency measurements
- Full set of documentation, a Windows based graphical user interface for PC installation and 1:1 measurement data for this specific amplifier board (all provided on the included memory stick)
Benefits
- Provides an easy-to-use test and validation setup for the MA12070P multilevel amplifier IC
- Allows users to experience the unique sound quality of a multilevel class D amplifier with a digital input and speaker setup of choice
- Facilitates accurate power efficiency and audio performance measurements using standard audio analyzer hardware
- Includes pre-recorded measurement data to help the user validate measurements from own test setup
Potential Applications
- Portable audio – battery operated speakers, smart speaker, on-the-go Bluetooth speakers, docking speakers, boom boxes, wearable speakers
- Home audio – multi-room systems, home hubs, televisions, soundbars, home theater systems, TVs
- Voice controlled audio
- Pro audio – PoE audio systems and other demanding audio applications where it is essential to maximize dynamic range and audio performance while minimizing power dissipation and power loss
Support