A good PCB layout for the MAX4173HESA+T should include a solid ground plane, separate analog and digital grounds, and keep the analog input traces as short as possible. Additionally, it's recommended to use a ferrite bead or a 10Ω resistor in series with the VCC pin to filter out high-frequency noise.
The MAX4173HESA+T does not require calibration, as it is a ratiometric device that measures the voltage ratio between the input voltage and the internal reference voltage. However, it's recommended to verify the accuracy of the device by measuring a known voltage source and adjusting the gain and offset of the ADC or microcontroller accordingly.
The MAX4173HESA+T can handle input voltages up to 40V without damage, but it's recommended to limit the input voltage to 30V or less to ensure accurate measurements and prevent overheating.
No, the MAX4173HESA+T is designed to measure positive voltages only. If you need to measure negative voltages, you'll need to use an external voltage translator or a different device that can handle negative inputs.
The typical current consumption of the MAX4173HESA+T is around 350μA, but this can vary depending on the operating frequency, input voltage, and other factors. It's recommended to check the datasheet for the most up-to-date information on current consumption.
MAX4173HESA+T datasheet
by Maxim Integrated Products
