The recommended PCB layout for the MAX5381MEUK+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 layer for the analog signals to minimize noise and interference.
The MAX5381MEUK+T requires a single 2.7V to 5.5V power supply. It's recommended to power the device with a clean and stable voltage source, and to ensure that the power supply is turned on before the digital signals are applied. Additionally, the device has a power-on reset (POR) circuit that ensures the device is properly reset during power-up.
The MAX5381MEUK+T has an operating temperature range of -40°C to +125°C. The device's performance may be affected by temperature, with the output voltage accuracy and line regulation degrading at higher temperatures. It's recommended to operate the device within the specified temperature range to ensure optimal performance.
The MAX5381MEUK+T's output voltage can be programmed using external resistors. The device has a resistor-programmable output voltage range of 0.8V to 5.5V, with an accuracy of ±1.5%. The output voltage can be set using the VOUT pin and two external resistors, R1 and R2, according to the formula: VOUT = 0.8V + (R2/R1) x (VREF - 0.8V).
The MAX5381MEUK+T has a maximum output current capability of 500mA. The device's performance may be affected by the output current, with the output voltage accuracy and line regulation degrading at higher output currents. It's recommended to operate the device within the specified output current range to ensure optimal performance.
MAX5381MEUK+T datasheet
by Maxim Integrated Products
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