The recommended PCB layout for the MAX6681MEE involves keeping the device away from heat sources, using a solid ground plane, and minimizing the distance between the device and the temperature sensing point. Additionally, it's recommended to use a 4-layer PCB with a dedicated thermal plane to reduce thermal gradients.
The MAX6681MEE does not require calibration. It is a digital thermometer that uses a proprietary algorithm to provide accurate temperature measurements. However, it's recommended to follow the recommended PCB layout and thermal design guidelines to ensure accurate measurements.
The maximum cable length for the remote temperature sensing diode is not specified in the datasheet, but it's generally recommended to keep the cable length as short as possible (less than 10 inches) to minimize noise and ensure accurate measurements.
No, the MAX6681MEE is not designed to measure temperatures above 125°C. It's recommended to use a different temperature sensor or a thermocouple amplifier for high-temperature applications.
The MAX6681MEE can operate from a single 1.8V to 3.6V supply voltage. It's recommended to use a voltage regulator or a power management IC to ensure a stable supply voltage within the specified range.