SN74LV4046ADR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage-Controlled Oscillator (VCO) and Phase-Locked Loop (PLL) applications
• Characteristics:
  • Low-voltage operation
  • Wide frequency range
  • High precision
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A versatile IC used for generating stable and accurate frequency signals in electronic circuits.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Frequency Range: 0Hz to 10MHz
• Number of Pins: 16
• Input Capacitance: 3pF
• Output Current: ±8mA
• Propagation Delay Time: 7ns

Detailed Pin Configuration

The SN74LV4046ADR has a total of 16 pins arranged as follows:

1. VCO Input
2. Ground
3. Phase Comparator Input
4. Phase Comparator Input
5. Phase Comparator Input
6. Phase Comparator Input
7. Charge Pump Output
8. Ground
9. Reference Frequency Input
10. Ground
11. VCO Output
12. Ground
13. Filter Resistor
14. Filter Capacitor
15. Power Supply
16. Power Supply

Functional Features

• Voltage-controlled oscillator with wide frequency range
• Phase-locked loop for frequency synthesis
• Four-phase comparators for precise phase detection
• Charge pump for generating control voltage
• Low-voltage operation for compatibility with modern electronics

Advantages and Disadvantages

Advantages: - Wide frequency range allows for versatile applications - High precision ensures accurate frequency generation - Low-voltage operation reduces power consumption - Compact SOIC package saves space in circuit designs

Disadvantages: - Limited to a maximum frequency of 10MHz - Requires external components for complete functionality - Not suitable for high-power applications

Working Principles

The SN74LV4046ADR operates based on the principles of voltage-controlled oscillation and phase detection. The VCO input controls the frequency generated by the internal oscillator, while the phase comparators compare the phase difference between the reference frequency and the VCO output. The charge pump generates a control voltage based on the phase difference, which adjusts the VCO frequency to match the reference frequency.

Detailed Application Field Plans

The SN74LV4046ADR finds applications in various fields, including:

1. Communication Systems: Used in frequency synthesizers for wireless communication devices.
2. Audio Equipment: Employed in audio synthesizers and tone generators.
3. Test and Measurement Instruments: Utilized for generating precise test signals in electronic testing equipment.
4. Clock Generation: Integrated into clock circuits for digital systems and microcontrollers.
5. Frequency Modulation: Used in FM radio transmitters and receivers for stable frequency generation.

Detailed and Complete Alternative Models

1. CD4046BE: Similar IC with a DIP (Dual Inline Package) package.
2. MC14046B: Equivalent IC from a different manufacturer.
3. XR-2206CP: Functionally similar IC with additional waveform generation capabilities.

These alternative models provide similar functionality to the SN74LV4046ADR and can be used as replacements depending on specific requirements.

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