SN74LV4046APWR

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
  • Low power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: A versatile IC used for frequency synthesis and modulation in various electronic systems.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply voltage: 2.7V to 5.5V
• Frequency range: 1Hz to 33MHz
• Operating temperature range: -40°C to +85°C
• Input voltage range: 0V to VCC
• Output voltage range: 0V to VCC
• Power dissipation: 25mW
• Input capacitance: 3pF
• Output drive capability: ±24mA

Detailed Pin Configuration

The SN74LV4046APWR has a total of 16 pins, which are assigned specific functions as follows:

1. VCO IN: Voltage-controlled oscillator input
2. GND: Ground reference
3. VCO OUT: Voltage-controlled oscillator output
4. CP: Charge pump output
5. CP GND: Charge pump ground reference
6. CP VCC: Charge pump positive supply voltage
7. XIN: Crystal oscillator input
8. XOUT: Crystal oscillator output
9. RST: Reset input
10. PD: Power-down input
11. VCC: Positive supply voltage
12. REF IN: Reference input
13. REF OUT: Reference output
14. FILT: Filter input
15. FILT GND: Filter ground reference
16. FILT VCC: Filter positive supply voltage

Functional Features

• Frequency synthesis: The SN74LV4046APWR can generate precise frequencies by controlling the input voltage.
• Phase-locked loop (PLL): It can be used to synchronize the output frequency with a reference signal.
• Low power consumption: The IC is designed to operate efficiently, minimizing power consumption in electronic systems.
• Wide frequency range: The SN74LV4046APWR supports a broad range of frequencies, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High precision frequency synthesis - Versatile functionality for VCO and PLL applications - Low-voltage operation for compatibility with modern electronic systems

Disadvantages: - Limited maximum frequency compared to some specialized ICs - Requires external components for complete functionality

Working Principles

The SN74LV4046APWR operates based on the principles of voltage-controlled oscillation and phase-locked loops. By applying a control voltage to the VCO IN pin, the IC generates an output frequency proportional to the input voltage. The PLL functionality allows the output frequency to be synchronized with a reference signal, providing accurate frequency modulation.

Detailed Application Field Plans

The SN74LV4046APWR finds applications in various fields, including:

1. Communication Systems: Used for frequency synthesis in wireless communication devices, such as mobile phones and Wi-Fi routers.
2. Audio Equipment: Enables precise frequency generation in audio synthesizers, mixers, and digital signal processors.
3. Test and Measurement Instruments: Utilized for generating stable and accurate frequencies in oscilloscopes, function generators, and spectrum analyzers.
4. Industrial Automation: Plays a crucial role in controlling motor speed and synchronization in industrial automation systems.
5. Satellite Communication: Used for frequency modulation and demodulation in satellite communication systems.

Detailed and Complete Alternative Models

1. CD4046BE: Similar functionality and pin configuration, available in DIP (Dual Inline Package) package.
2. MC74HC4046AN: High-speed version with similar features, available in PDIP (Plastic Dual Inline Package) package.
3. CD74HCT4046AE: Compatible IC with enhanced ESD protection, available in SOIC (Small Outline Integrated Circuit) package.

These alternative models provide similar functionality to the SN74LV4046APWR and can be used as replacements based on specific requirements.

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