The recommended PCB layout for the MAX4613ESE+ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated analog ground layer is recommended.
To ensure proper power-up and power-down, the MAX4613ESE+ requires a monotonic power supply ramp-up and ramp-down. The power supply should be ramped up to the minimum operating voltage (VCC) within 10ms, and ramped down to 0V within 10ms. Additionally, the EN pin should be tied to VCC or driven high after power-up is complete.
The MAX4613ESE+ can drive a maximum capacitive load of 100pF. Exceeding this limit may cause oscillations or instability in the output voltage.
To minimize noise and EMI, use a low-ESR capacitor for C1, keep the layout compact, and use a shielded cable for the output. Additionally, consider adding a ferrite bead or a common-mode choke to the output to reduce EMI.
The MAX4613ESE+ has a thermal derating of 6.4mW/°C above 25°C. This means that the maximum power dissipation decreases by 6.4mW for every degree Celsius above 25°C.