The maximum power dissipation of LP324DRE4 is 670mW when the device is operated at a junction temperature of 150°C. However, it's recommended to derate the power dissipation to ensure reliable operation.
To ensure stability, it's recommended to use a compensation capacitor between the output and the inverting input pins. The value of the capacitor depends on the specific application and the desired frequency response. A good starting point is to use a 10nF to 100nF capacitor.
The input impedance of LP324DRE4 is typically around 1MΩ to 2MΩ, but it can vary depending on the specific application and the input signal frequency. It's recommended to use a buffer stage or an input resistor to ensure a high input impedance.
While LP324DRE4 can be used as a comparator, it's not recommended due to its limited slew rate and bandwidth. Texas Instruments recommends using a dedicated comparator device, such as the LM339 or LM393, for comparator applications.
To protect LP324DRE4 from ESD damage, it's recommended to use ESD protection devices, such as TVS diodes or ESD protection arrays, on the input and output pins. Additionally, follow proper handling and storage procedures to prevent ESD damage.
LP324DRE4 datasheet
by Texas Instruments
