74VHC4046MTC

Overview

Category

Integrated Circuit (IC)

Use

The 74VHC4046MTC is a phase-locked loop (PLL) IC primarily used for frequency synthesis and clock generation in electronic circuits.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Small package size
• Easy integration into circuit designs

Package

The 74VHC4046MTC is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 74VHC4046MTC lies in its ability to generate stable and precise clock signals through the use of a phase-locked loop.

Packaging/Quantity

The 74VHC4046MTC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications and Parameters

• Supply Voltage: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input Frequency Range: DC to 20MHz
• Output Frequency Range: DC to 10MHz
• Phase Comparator Frequency Range: DC to 10MHz
• Lock Range: ±1.5% of VCO Center Frequency
• VCO Frequency Range: 10kHz to 10MHz

Pin Configuration

The pin configuration of the 74VHC4046MTC is as follows:

┌───┬───┬───┬───┬───┬───┬───┬───┐ │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ ├───┼───┼───┼───┼───┼───┼───┼───┤ │ V+│ GND│ CP1│ CP2│ CP3│ CP4│ CP5│ CP6│ └───┴───┴───┴───┴───┴───┴───┴───┘

Functional Characteristics

The 74VHC4046MTC offers the following functional characteristics:

• Phase Comparator Inputs (CP1 to CP6)
• Voltage-Controlled Oscillator (VCO)
• Lock Detect Output
• Reset Input
• Frequency Capture Input

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient frequency synthesis.
• Low power consumption helps conserve energy in electronic devices.
• Wide operating voltage range provides flexibility in various applications.
• Small package size enables compact circuit designs.
• Easy integration into circuit designs simplifies the overall system architecture.

Disadvantages

• Limited output frequency range compared to some other PLL ICs.
• Requires external components for proper operation.
• Sensitive to noise and interference, requiring careful PCB layout and shielding.

Applicable Range of Products

The 74VHC4046MTC is suitable for a wide range of products that require frequency synthesis and clock generation, including:

• Communication systems
• Audio/video equipment
• Data storage devices
• Industrial automation systems
• Test and measurement instruments

Working Principles

The 74VHC4046MTC operates based on the principles of phase-locked loop (PLL) technology. It compares the phase and frequency of an input signal with a voltage-controlled oscillator (VCO) output signal. By adjusting the VCO's control voltage, the PLL locks onto the desired frequency, generating a stable and precise output signal.

Detailed Application Field Plans

The 74VHC4046MTC can be applied in various fields, including:

1. Communication Systems: Used for frequency synthesis in wireless transceivers and base stations.
2. Audio/Video Equipment: Enables clock generation and synchronization in audio/video processing circuits.
3. Data Storage Devices: Provides stable clock signals for data read/write operations in storage systems.
4. Industrial Automation Systems: Utilized for precise timing and synchronization in control systems.
5. Test and Measurement Instruments: Enables accurate frequency generation and measurement in test equipment.

Detailed Alternative Models

Some alternative models to the 74VHC4046MTC include:

• CD4046B
• MC14046B
• HEF4046BP
• XR-4046
• LTC6994

5 Common Technical Questions and Answers

1. Q: What is the maximum operating voltage of the 74VHC4046MTC? A: The maximum operating voltage is 5.5V.

2. Q: Can the 74VHC4046MTC operate at temperatures below freezing? A: Yes, it can operate within a temperature range of -