A good PCB layout for the LMH6551MM/NOPB involves keeping the input and output traces separate, using a solid ground plane, and placing decoupling capacitors close to the device. Additionally, it's recommended to use a low-ESR capacitor for the output filter and to keep the feedback network components close to the device.
The output filter components should be chosen based on the desired cutoff frequency and the load impedance. A good starting point is to use a 1uF capacitor and a 10ohm resistor for the output filter. The values can be adjusted based on the specific application requirements.
The maximum power dissipation of the LMH6551MM/NOPB is 1.4W. To ensure it doesn't overheat, it's recommended to provide adequate heat sinking, such as a thermal pad or a heat sink, and to keep the device in a well-ventilated area.
Yes, the LMH6551MM/NOPB can be used in a single-supply configuration. To do so, connect the negative input to a voltage divider that sets the desired output voltage, and use a pull-down resistor on the output to set the output voltage to the desired level.
To compensate for the input capacitance, a series resistor can be added to the input to reduce the input capacitance. Additionally, a feedback capacitor can be added to the feedback network to ensure stability.
LMH6551MM/NOPB datasheet
by Texas Instruments
