The recommended operating voltage range for CD4009UBEE4 is 3V to 15V, although it can operate up to 18V with reduced performance and reliability.
To handle the high input impedance of the CD4009UBEE4, use a low-impedance signal source, add a buffer amplifier, or use a voltage follower to reduce the input impedance.
The maximum frequency of operation for CD4009UBEE4 is approximately 1 MHz, although it can be used at higher frequencies with reduced gain and increased distortion.
To reduce power consumption in CD4009UBEE4-based circuits, use a lower supply voltage, reduce the quiescent current by using a lower bias current, or use a shutdown pin (if available) to turn off the device when not in use.
While CD4009UBEE4 can be used as a voltage regulator, it's not recommended due to its limited current capability and lack of built-in voltage regulation features. Instead, use a dedicated voltage regulator IC for more reliable and efficient voltage regulation.