UG-118 – Bottom Port Digital MEMS Microphone Evaluation Board

UG-118 – Bottom Port Digital MEMS Microphone Evaluation Board

Overview

This user guide applies to the following MEMS microphone evaluation boards:

• EVAL_INMP421Z
• EVAL_INMP521Z

This is a simple evaluation board that allows quick evaluation of the performance of the INMP421 and INMP521 bottom port digital output omnidirectional microphones. The evaluation board has a dual-row 12-pin, 0.1 inch spaced header for access to all microphone pins. The board is designed to plug directly into the digital microphone connectors on the Analog Devices, Inc., EVAL-ADAU1361Z, EVAL-ADAU1761Z, EVAL-ADAU1781Z and EVAL-ADAU1772Z evaluation boards.