The maximum power dissipation of the LMV822DGKR is dependent on the ambient temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 670mW at 25°C ambient temperature, but this can be derated to 500mW at 50°C and 330mW at 85°C.
While the LMV822DGKR is an op-amp, it can be used as a comparator in certain applications. However, it's not recommended as the device is not optimized for comparator operation and may not provide the same level of performance as a dedicated comparator. Additionally, the output stage of the LMV822DGKR is not designed to drive low-impedance loads, which may be required in comparator applications.
The input impedance of the LMV822DGKR is not explicitly stated in the datasheet, but it can be estimated based on the input bias current and input voltage range. The input impedance is typically in the order of tens of kΩ to hundreds of kΩ, making it suitable for most general-purpose applications.
While the LMV822DGKR can be used in high-gain configurations, it's not recommended as the device may become unstable or oscillate due to its high gain-bandwidth product. The datasheet recommends keeping the gain below 100dB to ensure stability. If high gain is required, it's recommended to use a different op-amp or add additional compensation networks.
The LMV822DGKR is a general-purpose op-amp and can be used in audio applications, but it may not be the best choice due to its limited bandwidth and slew rate. The device is more suited for low-frequency applications such as instrumentation, industrial control, and medical devices. For audio applications, a dedicated audio op-amp with higher bandwidth and slew rate may be more suitable.
LMV822DGKR datasheet
by Texas Instruments
