Texas Instruments
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CD4046BPWR
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CD4046BPWR

Overview

Category

CD4046BPWR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a phase-locked loop (PLL) circuit.

Characteristics

  • CD4046BPWR is a CMOS-based PLL circuit.
  • It operates at a wide range of frequencies.
  • The circuit offers high precision and stability in frequency synthesis applications.

Package

CD4046BPWR is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of CD4046BPWR lies in its ability to generate stable and accurate output signals based on input reference signals.

Packaging/Quantity

CD4046BPWR is typically packaged in reels, with each reel containing a specific quantity of ICs.

Specifications and Parameters

The following are the specifications and parameters of CD4046BPWR:

  • Supply Voltage: 3V to 18V
  • Operating Temperature Range: -55°C to +125°C
  • Input Frequency Range: DC to 10MHz
  • Output Frequency Range: DC to 10MHz
  • Lock Range: ±2.5% of VCO Center Frequency
  • Phase Detector Frequency Range: DC to 10MHz
  • Maximum Power Dissipation: 500mW

Pin Configuration

The pin configuration of CD4046BPWR is as follows:

  1. VCO IN
  2. GND
  3. VCO OUT
  4. PHASE COMPARATOR INPUT
  5. PHASE COMPARATOR OUTPUT
  6. EXTERNAL CAPACITOR CONNECTION
  7. EXTERNAL RESISTOR CONNECTION
  8. EXTERNAL RESISTOR CONNECTION
  9. EXTERNAL CAPACITOR CONNECTION
  10. VDD
  11. RESET
  12. LOCK DETECT
  13. CONTROL VOLTAGE
  14. CONTROL VOLTAGE
  15. CONTROL VOLTAGE
  16. GND

Functional Characteristics

CD4046BPWR offers the following functional characteristics:

  • Phase comparator with two inputs and one output
  • Voltage-controlled oscillator (VCO)
  • Lock detector
  • Control voltage inputs for frequency adjustment

Advantages and Disadvantages

Advantages

  • Wide operating frequency range
  • High precision and stability
  • Compact package size
  • Low power consumption

Disadvantages

  • Limited input and output frequency range
  • Sensitivity to external noise and interference

Applicable Range of Products

CD4046BPWR is commonly used in various applications, including: - Frequency synthesis - Clock generation - Data communication systems - Wireless communication systems

Working Principles

The working principle of CD4046BPWR involves the phase-locked loop concept. It uses a phase comparator to compare the phase difference between the input reference signal and the feedback signal from the VCO. The control voltage is adjusted based on this phase difference, which in turn adjusts the VCO's output frequency to match the desired frequency.

Detailed Application Field Plans

CD4046BPWR can be applied in the following fields:

  1. Frequency Synthesis: Used to generate stable and accurate frequencies for various applications, such as radio transmitters and receivers.
  2. Clock Generation: Provides precise clock signals for digital systems, ensuring synchronized operation.
  3. Data Communication Systems: Enables reliable data transmission by maintaining accurate timing and synchronization.
  4. Wireless Communication Systems: Facilitates frequency modulation and demodulation processes, essential for wireless communication devices.
  5. Audio Processing: Used in audio equipment to generate and control specific frequencies for sound synthesis and processing.

Detailed Alternative Models

Some alternative models to CD4046BPWR include: - CD4046BE - CD4046BF - CD4046BM

These models offer similar functionality and can be used as substitutes in various applications.

5 Common Technical Questions and Answers

  1. Q: What is the maximum operating frequency of CD4046BPWR? A: The maximum operating frequency is 10MHz.

  2. Q: Can CD4046BPWR operate with a supply voltage below 3V? A: No, the minimum supply voltage required is 3V.

  3. Q: How does the lock detector function work? A: The lock detector monitors the phase difference between the input reference signal and the VCO output. It provides an indication when the loop is locked and stable.

  4. Q: Is CD4046BPWR suitable for high-speed data communication systems? A: Yes, it can be used in such systems, but its frequency range may limit its application in very high-speed scenarios.

  5. Q: What precautions should be taken to minimize external noise interference? A: Proper grounding techniques and shielding can help reduce external noise interference in CD4046BPWR-based circuits.

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