The MAX620EWN+ is a high-frequency device, so it's essential to follow good layout and placement practices to minimize noise and ensure proper operation. Maxim recommends keeping the device close to the power supply, using short traces, and avoiding vias under the device. Additionally, decoupling capacitors should be placed as close as possible to the device's power pins.
The MAX620EWN+ has a thermal pad on the bottom of the package, which is connected to the die. To ensure proper thermal management, Maxim recommends connecting the thermal pad to a solid ground plane or a thermal relief pattern on the PCB. This helps to dissipate heat and reduce the junction temperature.
While the datasheet specifies an input voltage range of 2.7V to 5.5V, it's essential to note that the device can operate down to 2.5V with reduced performance. However, operating the device below 2.7V may affect its accuracy and stability. It's recommended to operate the device within the specified input voltage range for optimal performance.
The MAX620EWN+ has a built-in temperature sensor that allows it to compensate for temperature-related errors. However, to ensure accuracy over temperature, it's essential to calibrate the device during manufacturing or at the system level. Additionally, the device should be operated within the specified temperature range of -40°C to +125°C.
The datasheet recommends an output capacitor value of 10uF or greater. However, the optimal output capacitor value depends on the specific application and the desired level of noise filtering. A larger output capacitor value can provide better noise filtering, but it may also increase the startup time and affect the device's stability.
MAX620EWN+ datasheet
by Maxim Integrated Products
