Overview
The CD4046BCM is a Phase-Locked Loop (PLL) integrated circuit designed by Onsemi for frequency synthesis, demodulation, and synchronization applications. This versatile IC features a low-power linear voltage-controlled oscillator (VCO), phase comparators, and other essential components for precise frequency control. It is widely used in various electronic systems, including communication systems, frequency synthesizers, and signal processing circuits, due to its stable and accurate frequency tracking capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Product Category | Phase Locked Loops - PLL |
| Type | PLL |
| Number of Circuits | 1 Circuit |
| Supply Voltage - Max | 15 V |
| Supply Voltage - Min | 3 V |
| Technology | Silicon (Si) |
| Minimum Operating Temperature | -55°C |
| Maximum Operating Temperature | +125°C |
| Mounting Style | SMD/SMT |
| Package / Case | SOIC-Narrow-16 |
| Brand | Onsemi / Fairchild |
| Height | 1.5 mm |
| Length | 10 mm |
| Operating Supply Voltage | 3.3 V, 5 V, 9 V, 12 V |
| Product Type | PLLs - Phase Locked Loops |
| Subcategory | Wireless & RF Integrated Circuits |
| Width | 4 mm |
| Unit Weight | 0.019312 oz |
Key Features
- Frequency Synthesis: Enables precise frequency synthesis for various applications.
- Phase-Locked Loop: Implements a stable PLL for frequency tracking and demodulation.
- Voltage Controlled Oscillator (VCO): Provides a voltage-controlled oscillator for frequency modulation.
- Phase Detector: Features a phase detector for phase comparison and control.
- Low Power Consumption: Designed for low power operation, suitable for battery-powered devices.
- Wide Supply Voltage Range: Operates from 3 V to 15 V.
- High VCO Linearity: Offers high linearity in the VCO output.
- Low Frequency Drift: Exhibits low frequency drift with temperature changes.
Applications
- Frequency Synthesizers: Used in frequency synthesizer circuits for generating precise output frequencies.
- Communication Systems: Ideal for synchronization and demodulation in communication systems.
- Signal Processing: Applied in signal processing circuits requiring frequency control and modulation.
- FM Demodulator and Modulator: Used in FM demodulation and modulation applications.
- Frequency Discrimination: Utilized for frequency discrimination tasks.
- Data Synchronization and Conditioning: Employed in data synchronization and conditioning circuits.
- Voltage-to-Frequency Conversion: Used for voltage-to-frequency conversion.
- Tone Decoding: Applied in tone decoding applications.
- FSK Modulation: Used in Frequency Shift Keying (FSK) modulation.
- Motor Speed Control: Employed in motor speed control systems.
Q & A
- Q: What is the function of the VCO in the CD4046BCM?
A: The Voltage Controlled Oscillator (VCO) in the CD4046BCM allows for frequency modulation controlled by an external voltage signal, enabling variable frequency output. - Q: Can the CD4046BCM be used in radio frequency (RF) applications?
A: Yes, the CD4046BCM is suitable for use in RF applications requiring precise frequency synthesis and demodulation capabilities. - Q: How many pins does the CD4046BCM have and what are their functions?
A: The CD4046BCM has 16 pins, including inputs for the phase detector, VCO, and power supply, as well as outputs for the VCO and other control signals. Refer to the datasheet for detailed pinout information. - Q: What is the operating voltage range of the CD4046BCM?
A: The CD4046BCM operates within a supply voltage range of 3 V to 15 V. - Q: What are some common applications of the CD4046BCM?
A: Common applications include frequency synthesizers, communication systems, signal processing, FM demodulation, and motor speed control. - Q: How does the CD4046BCM achieve phase locking?
A: The CD4046BCM achieves phase locking by comparing the phase and frequency of an input signal with that of the VCO, using phase comparators to adjust the VCO frequency until it matches the input signal frequency. - Q: What are the key features of the CD4046BCM's VCO?
A: The VCO in the CD4046BCM is linear, voltage-controlled, and offers high linearity and low frequency drift. - Q: Is the CD4046BCM suitable for low-power applications?
A: Yes, the CD4046BCM is designed for low power consumption, making it suitable for battery-powered devices. - Q: What are some equivalent or alternative PLL ICs to the CD4046BCM?
A: Equivalent or alternative PLL ICs include the MC14046B and HEF4046BP. - Q: How can I integrate the CD4046BCM into my circuit design?
A: Integrate the CD4046BCM by connecting the required input and output pins as per the application's frequency synthesis requirements. Ensure proper power supply connections and follow the recommended operating conditions for optimal performance.
