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UM_2303_PL88_2304_194829
Quick start guide for MERUS™ evaluation
boards
EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B
About this document
Scope and purpose
This document provides step-by-step instructions on how to get the EVAL_AUDIO_MA12070x_B evaluation
board to play audio quickly.
Intended audience
Design engineers, technicians, and developers of electronic systems.
Evaluation board
This board is to be used during the design-in process for evaluating and measuring characteristic curves, and
for checking datasheet specifications.
Figure 1
Overview of the EVAL_AUDIO_MA12070x_B evaluation board
User manual
Please read the sections "Important notice" and "Warnings" at the end of this document
V 1.0
www.infineon.com/eval_audio_ma12070
2023-06-07
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Table of Contents
Related Manuals for Infineon MERUS EVAL AUDIO MA12070 B
Summary of Contents for Infineon MERUS EVAL AUDIO MA12070 B
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Page 1: About This Document
This board is to be used during the design-in process for evaluating and measuring characteristic curves, and for checking datasheet specifications. Figure 1 Overview of the EVAL_AUDIO_MA12070x_B evaluation board User manual Please read the sections “Important notice” and “Warnings” at the end of this document V 1.0 www.infineon.com/eval_audio_ma12070 2023-06-07... -
Page 2: Important Notice
Boards provided by Infineon Technologies. The design of the Evaluation Boards and Reference Boards has been tested by Infineon Technologies only as described in this document. The design is not qualified in terms of safety requirements, manufacturing and operation over the entire operating temperature range or lifetime. -
Page 3: Safety Precautions
Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Safety precautions Safety precautions Note: Please note the following warnings regarding the hazards associated with development systems. Table 1 Safety precautions Caution: The device surfaces of the evaluation or reference board may become hot during testing. -
Page 4: Table Of Contents
Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Table of contents Table of contents About this document ........................1 Important notice ..........................2 Safety precautions .......................... 3 Table of contents ..........................4 Board overview ........................5 Board features and audio performance ....................5 Board operating conditions ........................ -
Page 5: Board Overview
Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Board overview Board overview The EVAL_AUDIO_MA12070x_B is an evaluation and demonstration board for MERUS™ audio MA12070 and MA12070P amplifiers. This evaluation board contains a variety of digital/analog input, output and setup/selection features. It also contains two onboard power supply generators (5 V and 3.3 V buck-converted) so only one external power supply (PVDD) is necessary. -
Page 6: Board Operating Conditions
Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Board overview Table 2 Typical audio and electrical specifications Parameter Part no. Conditions MA12070 MA12070P Unit (BTL) Output power THD + N = 10%, RL = 4 Ω, f = 1 kHz p-channel (peak) THD + N = 10%, RL = 8 Ω, f = 1 kHz THD+N... -
Page 7: Quick Start
Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Quick start Quick start This chapter describes how to configure, power and start up the board for quick evaluation. Default configuration First, verify that the board jumpers are in the default position. Note that some MA12070P jumper locations are different from the MA12070, and these are marked in orange in Figure Figure 2... -
Page 8: Software Installation
Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Quick start Figure 3 Bridge-tied load (BTL) configuration with analog or digital audio inputs Software installation The following steps describe how to download and install the graphical user interface (GUI) software tool. Open your web browser and download the USB control interface drivers from the following link. -
Page 9: Power And Start-Up Procedure
Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Quick start Power and start-up procedure The following steps describe the power-up procedure and device configuration using the GUI software tool. This will allow the user to monitor and configure the power mode profiles. In addition, I S and digital audio processing parameters can be configured. - Page 10 Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Quick start Figure 9 MA120xx control software interface If the connection is successful it will be indicated in the ID status line, as shown in Figure Figure 10 Control interface indicating successful communication with the board Press “I2S setup”...
- Page 11 You will be able to monitor the modulation index of both channels and their current power modes. Also, the power mode profiles can be selected. Power mode profile 0 is configured by default. For more information on power mode profiles please refer to the MA12070 or MA12070P datasheet and Infineon MERUS™ evaluation board user’s guide.
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Page 12: Revision History
Quick start guide for MERUS™ evaluation boards EVAL_AUDIO_MA12070_B and EVAL_AUDIO_MA12070P_B Revision history Revision history Document Date Description of changes revision V 1.0 2023-06-07 Initial release User manual V 1.0 2023-06-07... -
Page 13: Disclaimer
All referenced product or service names and trademarks are the property of their respective owners. Warnings Due to technical requirements products may contain Edition 2023-06-07 dangerous substances. For information on the types in question please contact your nearest Infineon Published by Technologies office. Except as otherwise explicitly approved by Infineon Infineon Technologies AG...