A good PCB layout for the MAX985EUK+T involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog layer to minimize noise.
The MAX985EUK+T requires a single 2.7V to 5.5V power supply. It's recommended to power the device with a low-noise, low-dropout regulator. The power sequencing requirement is to power up the device after the power supply has stabilized, and to ensure that the power supply can provide the required current.
The recommended clock frequency for the MAX985EUK+T is 12.288 MHz, which is the standard frequency for audio applications. The clock source can be an external crystal oscillator or a clock generator IC. It's recommended to use a high-quality clock source with low jitter to ensure optimal performance.
The MAX985EUK+T can be configured for different audio formats and sampling rates through the I2C interface. The device supports various audio formats, including I2S, PCM, and DSP. The sampling rate can be set to 44.1 kHz, 48 kHz, or 96 kHz, depending on the application requirements.
The MAX985EUK+T has a maximum junction temperature of 150°C. To ensure reliable operation over temperature, it's recommended to provide adequate heat sinking, use a thermally conductive PCB material, and avoid overheating the device. Additionally, the device should be operated within the recommended temperature range of -40°C to 85°C.
MAX985EUK+T datasheet
by Maxim Integrated Products
