The maximum power dissipation of the LF347DRG4 is dependent on the ambient temperature and the package type. For the DRG4 package, the maximum power dissipation is approximately 1.4W at 25°C ambient temperature.
While the LF347DRG4 is an op-amp, it can be used as a comparator in certain applications. However, it's not recommended as it's not optimized for comparator operation and may not provide the desired performance. TI recommends using a dedicated comparator like the LM339 or LM2901 for comparator applications.
The input impedance of the LF347DRG4 is typically around 30MΩ, but it can vary depending on the specific application and operating conditions. It's recommended to consult the datasheet and application notes for more information.
The LF347DRG4 is rated for operation up to 125°C, but the maximum junction temperature is 150°C. It's essential to ensure that the device is properly heat-sinked and that the ambient temperature is within the recommended operating range to prevent thermal shutdown or damage.
TI provides application notes and layout guidelines for the LF347DRG4, which recommend using a symmetrical layout, minimizing trace lengths, and using a solid ground plane to reduce noise and improve performance.
LF347DRG4 datasheet
by Texas Instruments
