The recommended PCB layout for the MAX4711EUE+ is to keep the input and output traces as short as possible, and to use a solid ground plane to reduce noise and EMI. Additionally, it's recommended to place a 0.1uF bypass capacitor between the VCC and GND pins to filter out high-frequency noise.
To ensure accurate current measurements with the MAX4711EUE+, it's essential to use a sense resistor with a low temperature coefficient and to keep the sense resistor close to the device. Additionally, the sense resistor should be sized to produce a voltage drop of around 50mV to 100mV at the maximum expected current.
The MAX4711EUE+ has an operating temperature range of -40°C to +125°C, but it's recommended to operate the device within the -20°C to +85°C range for optimal performance and accuracy.
The MAX4711EUE+ has a maximum operating voltage of 76V, but it's not recommended to use the device in high-voltage applications above 60V. If you need to measure high currents in a high-voltage application, consider using a different device or adding external protection circuitry.
The MAX4711EUE+ does not require calibration for accurate current measurements. The device has an internal calibration circuit that sets the gain and offset of the current sense amplifier. However, it's recommended to perform a system-level calibration to account for any errors introduced by the sense resistor and other external components.
MAX4711EUE+ datasheet
by Maxim Integrated Products
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