CD4047BMG4 datasheet by Texas Instruments

CD4047BMG4 Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the CD4047BMG4?
  The recommended operating voltage range for the CD4047BMG4 is 3V to 15V, although it can operate up to 18V with reduced performance.
• How do I ensure the oscillator starts up reliably?
  To ensure the oscillator starts up reliably, make sure to decouple the power supply with a 0.1uF capacitor, and use a high-quality quartz crystal with a load capacitance of 18pF to 22pF.
• What is the maximum frequency of operation for the CD4047BMG4?
  The maximum frequency of operation for the CD4047BMG4 is approximately 1.5MHz, although this can vary depending on the specific application and operating conditions.
• Can I use the CD4047BMG4 as a voltage-controlled oscillator (VCO)?
  Yes, the CD4047BMG4 can be used as a VCO by applying a control voltage to the Vc pin, which varies the oscillator frequency. However, the frequency range and linearity may not be suitable for all applications.
• How do I reduce the power consumption of the CD4047BMG4?
  To reduce power consumption, operate the CD4047BMG4 at a lower voltage (e.g., 3.3V or 5V) and use a lower-frequency quartz crystal. You can also consider using a more power-efficient oscillator IC or a low-power mode if available.