The recommended PCB layout for the MAX9867ETJ+ involves placing the device near the audio input connector, using a solid ground plane, and keeping the analog and digital grounds separate. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To optimize the performance of the MAX9867ETJ+ in a noisy environment, use a low-pass filter on the input, use a shielded cable for the audio input, and place the device away from sources of electromagnetic interference (EMI). Additionally, use a decoupling capacitor on the power supply lines and ensure a clean power supply.
The maximum input voltage that the MAX9867ETJ+ can handle is 3.6V. Exceeding this voltage may damage the device.
To configure the MAX9867ETJ+ for a specific audio application, refer to the datasheet and application notes for guidance on setting the gain, filter settings, and other parameters. Additionally, use the evaluation board and software development kit (SDK) provided by Maxim Integrated Products to test and optimize the device for the specific application.
The power consumption of the MAX9867ETJ+ depends on the operating mode and the supply voltage. In the lowest power mode, the device consumes around 2.5mA, while in the highest power mode, it consumes around 10mA.
MAX9867ETJ+ datasheet
by Maxim Integrated Products
