CD74HC4046AMTE4

Overview

Category

CD74HC4046AMTE4 belongs to the category of integrated circuits (ICs).

Use

It is commonly used in electronic devices for frequency synthesis and phase-locked loop (PLL) applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Small package size

Package

CD74HC4046AMTE4 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of CD74HC4046AMTE4 lies in its ability to generate stable and accurate frequencies for various applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications and Parameters

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Clock Frequency: 25MHz

Pin Configuration

The CD74HC4046AMTE4 has a total of 16 pins. The detailed pin configuration is as follows:

1. Pin 1: Phase Comparator 1 Input A
2. Pin 2: Phase Comparator 1 Input B
3. Pin 3: Phase Comparator 1 Output
4. Pin 4: Phase Comparator 2 Input A
5. Pin 5: Phase Comparator 2 Input B
6. Pin 6: Phase Comparator 2 Output
7. Pin 7: Voltage-Controlled Oscillator (VCO) Control Voltage Input
8. Pin 8: VCO Output
9. Pin 9: VCO Ground
10. Pin 10: VCO Power Supply
11. Pin 11: Reset Input
12. Pin 12: Lock Detect Output
13. Pin 13: Charge Pump Output
14. Pin 14: Charge Pump Ground
15. Pin 15: Charge Pump Power Supply
16. Pin 16: Phase Comparator 3 Input

Functional Characteristics

CD74HC4046AMTE4 offers the following functional characteristics:

• Phase comparison between two input signals
• Voltage-controlled oscillator (VCO) for frequency synthesis
• Lock detection to indicate PLL synchronization
• Reset functionality for initialization
• Charge pump for generating control voltage

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient frequency synthesis
• Low power consumption for energy-efficient designs
• Wide operating voltage range provides flexibility in various applications
• Small package size enables compact circuit designs

Disadvantages

• Limited maximum clock frequency of 25MHz may not be suitable for high-frequency applications
• Requires external components for complete PLL implementation

Applicable Range of Products

CD74HC4046AMTE4 is widely used in the following areas:

• Communication systems
• Audio equipment
• Frequency synthesizers
• Clock recovery circuits
• Data transmission systems

Working Principles

The CD74HC4046AMTE4 operates based on the principles of phase-locked loop (PLL). It compares the phase difference between two input signals using phase comparators, generates a control voltage for the VCO, and locks the output frequency to the input reference signal.

Detailed Application Field Plans

CD74HC4046AMTE4 can be applied in various fields, including:

1. Communication Systems:

   • Frequency modulation (FM) receivers
   • Wireless transceivers

2. Audio Equipment:

   • Tone generators
   • Musical synthesizers

3. Frequency Synthesizers:

   • Local oscillators
   • Signal generators

4. Clock Recovery Circuits:

   • Data demodulation
   • Synchronization circuits

5. Data Transmission Systems:

   • Modems
   • Digital receivers

Detailed Alternative Models

Some alternative models to CD74HC4046AMTE4 include:

• CD4046B
• MC14046B
• HEF4046B
• 74HCT4046A
• SN74HC4046A

5 Common Technical Questions and Answers

1. Q: What is the maximum operating voltage for CD74HC4046AMTE4? A: The maximum operating voltage is 6V.

2. Q: Can CD74HC4046AMTE4 be used in high-frequency applications? A: No, it has a limited maximum clock frequency of 25MHz.

3. Q: How many pins does CD74HC4046AMTE4 have? A: It has a total of 16 pins.

4. Q: What is the purpose of the lock detect output? A: The lock detect output indicates whether the PLL is synchronized or not.

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