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CD4046BCM
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CD4046BCM

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Phase-Locked Loop (PLL) and Frequency Synthesizer
  • Characteristics: High-speed operation, low power consumption, wide frequency range
  • Package: 16-pin SOIC (Small Outline Integrated Circuit)
  • Essence: A versatile IC used for frequency synthesis and synchronization applications
  • Packaging/Quantity: Available in reels of 2500 units

Specifications and Parameters

  • Supply Voltage: 3V to 18V
  • Operating Temperature Range: -55°C to +125°C
  • Frequency Range: DC to 40MHz
  • Input Current: 1μA (maximum)
  • Output Current: 10mA (maximum)

Detailed and Complete Pin Configuration

  1. VCO IN
  2. GND
  3. VCO OUT
  4. COMP
  5. VDD
  6. OSC IN
  7. OSC OUT
  8. RESET
  9. LOCK DETECT
  10. PHASE COMPARATOR INPUT (X)
  11. PHASE COMPARATOR INPUT (Y)
  12. PHASE COMPARATOR OUTPUT
  13. EXTERNAL CAPACITOR (C1)
  14. EXTERNAL RESISTOR (R1)
  15. EXTERNAL CAPACITOR (C2)
  16. EXTERNAL RESISTOR (R2)

Functional Characteristics

  • Phase Comparator: Compares the phase difference between two input signals (X and Y)
  • Voltage-Controlled Oscillator (VCO): Generates an output signal with a frequency proportional to the control voltage
  • Lock Detect: Indicates when the PLL is locked onto the input frequency
  • Reset: Resets the internal circuitry to its initial state

Advantages and Disadvantages

Advantages: - High-speed operation allows for rapid frequency synthesis - Low power consumption makes it suitable for battery-powered devices - Wide frequency range enables versatile applications

Disadvantages: - Limited output current may restrict certain high-power applications - Requires external components (capacitors and resistors) for proper operation

Applicable Range of Products

  • Communication systems
  • Audio and video equipment
  • Test and measurement instruments
  • Industrial control systems
  • Consumer electronics

Working Principles

The CD4046BCM is based on the Phase-Locked Loop (PLL) principle. It compares the phase difference between two input signals using a phase comparator. The resulting error signal is used to control the voltage-controlled oscillator (VCO), which generates an output signal with a frequency proportional to the control voltage. The PLL locks onto the input frequency, ensuring synchronization and frequency stability.

Detailed Application Field Plans

  1. Communication Systems: Used for frequency synthesis in wireless transceivers and modems.
  2. Audio and Video Equipment: Enables precise frequency generation for audio and video signal processing.
  3. Test and Measurement Instruments: Provides accurate frequency synthesis for signal generators and frequency counters.
  4. Industrial Control Systems: Used in motor speed control and synchronization applications.
  5. Consumer Electronics: Enables frequency synthesis in devices like radios, televisions, and DVD players.

Detailed Alternative Models

  • CD4046BCN
  • CD4046BE
  • CD4046BF
  • CD4046BNSR
  • CD4046BM96

5 Common Technical Questions and Answers

  1. Q: What is the maximum operating temperature of CD4046BCM? A: The maximum operating temperature is -55°C to +125°C.

  2. Q: Can CD4046BCM be powered by a 5V supply? A: Yes, CD4046BCM can be powered by a supply voltage ranging from 3V to 18V.

  3. Q: What is the purpose of the lock detect pin? A: The lock detect pin indicates when the PLL is locked onto the input frequency.

  4. Q: Does CD4046BCM require external components for operation? A: Yes, CD4046BCM requires external capacitors and resistors for proper functioning.

  5. Q: What is the frequency range of CD4046BCM? A: CD4046BCM has a frequency range from DC to 40MHz.

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