The maximum power dissipation of the LMC6484IN is dependent on the package type and ambient temperature. For the SOIC package, the maximum power dissipation is 670mW at 25°C. For the PDIP package, it is 830mW at 25°C. However, it's recommended to derate the power dissipation based on the ambient temperature to ensure reliable operation.
To ensure stability in a unity-gain configuration, it's recommended to add a capacitor (typically 10-100pF) between the output and the inverting input pins. This capacitor helps to compensate for the internal pole of the op-amp and prevents oscillations.
To minimize noise and EMI, it's recommended to follow good PCB layout practices such as keeping the input and output traces separate, using a solid ground plane, and avoiding long traces that can act as antennas. Additionally, it's recommended to place a 0.1uF decoupling capacitor between the power supply pins and the ground plane, and to use a low-ESR capacitor to minimize power supply noise.
While the LMC6484IN can be used as a comparator, it's not recommended due to its relatively slow slew rate (0.3V/us) and limited output current drive capability. Texas Instruments recommends using a dedicated comparator such as the LM339 or LM2901 for comparator applications.
The LMC6484IN has built-in ESD protection, but it's still recommended to follow proper ESD handling procedures when handling the device. This includes using an ESD wrist strap or mat, storing the devices in anti-static packaging, and avoiding touching the pins or leads of the device.
LMC6484IN datasheet
by Texas Instruments
