74HCT4046ADB,112

Overview

Category

The 74HCT4046ADB,112 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic circuits for frequency and phase detection, as well as for generating and controlling signals.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with both CMOS and TTL logic levels

Package

The 74HCT4046ADB,112 is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of this product lies in its ability to accurately detect and control frequencies and phases in electronic systems.

Packaging/Quantity

The 74HCT4046ADB,112 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications and Parameters

• Supply Voltage: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +125°C
• Input Frequency Range: DC to 10MHz
• Output Frequency Range: DC to 10MHz
• Phase Detector Frequency Range: DC to 10MHz
• Lock Range: ±2% of VCO Center Frequency
• Capture Range: ±5% of VCO Center Frequency

Pin Configuration

The pin configuration of the 74HCT4046ADB,112 is as follows:

1. VCO IN
2. GND
3. CP1
4. CP2
5. VDD
6. VCO OUT
7. VCO CTRL
8. GND
9. FILTER
10. LOCK DETECT
11. PHASE COMPARATOR INPUT
12. PHASE COMPARATOR OUTPUT
13. GND
14. OSCILLATOR INPUT
15. OSCILLATOR OUTPUT
16. VDD

Functional Characteristics

The 74HCT4046ADB,112 offers the following functional characteristics:

• Phase-locked loop (PLL) with voltage-controlled oscillator (VCO)
• Phase comparator with two inputs and one output
• Low-pass filter for noise reduction
• Lock detection circuitry
• Oscillator input and output

Advantages and Disadvantages

Advantages

• High-speed operation allows for precise frequency and phase control
• Wide operating voltage range enables compatibility with various systems
• Low power consumption helps conserve energy
• Compatibility with both CMOS and TTL logic levels provides flexibility in circuit design

Disadvantages

• Limited input and output frequency range (up to 10MHz)
• Requires external components for complete functionality
• Sensitive to noise and interference in the system

Applicable Range of Products

The 74HCT4046ADB,112 is commonly used in the following applications:

• Frequency synthesizers
• Clock recovery circuits
• Phase-locked loop (PLL) systems
• Signal generators
• Communication systems

Working Principles

The working principle of the 74HCT4046ADB,112 is based on the phase-locked loop (PLL) concept. It uses a voltage-controlled oscillator (VCO) to generate an output signal that is locked to a reference input signal. The phase comparator compares the phase difference between the reference and feedback signals, and the low-pass filter removes noise and unwanted frequencies. The lock detection circuitry ensures that the VCO remains locked to the desired frequency.

Detailed Application Field Plans

The 74HCT4046ADB,112 can be applied in various fields, including:

1. Wireless communication systems: Used for frequency and phase synchronization in transmitters and receivers.
2. Audio equipment: Enables precise control of audio frequencies and phases in amplifiers and mixers.
3. Test and measurement instruments: Provides accurate frequency generation and control for signal analysis and testing.
4. Industrial automation: Used in control systems to synchronize processes and signals.
5. Satellite communication: Ensures precise frequency and phase tracking in satellite transponders.

Detailed Alternative Models

Some alternative models to the 74HCT4046ADB,112 include:

• CD4046BE
• MC14046B
• HEF4046BP
• SN74LS46N
• LTC6992HS6

5 Common Technical Questions and Answers

1. Q: What is the maximum operating voltage for the 74HCT4046ADB,112? A: The maximum operating voltage is 6.0V.

2. Q: Can this IC be used with both CMOS and TTL logic levels? A: Yes, the 74HCT4046ADB,112 is compatible with both CMOS and TTL logic levels.

3. Q: What is the lock range of the VCO in this IC? A: The lock range is ±2% of the VCO center frequency.

4.