MC74HC4046ADTR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Phase-Locked Loop (PLL) with Voltage Controlled Oscillator (VCO)
• Characteristics: High-speed CMOS technology, low power consumption
• Package: TSSOP-16
• Essence: The MC74HC4046ADTR2G is a PLL IC that provides frequency synthesis and demodulation capabilities.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Frequency Range: DC to 10MHz
• Lock Range: ±2.5% of VCO Center Frequency
• Input Signal Range: ±1.5Vp-p
• Output Signal Range: ±3.5Vp-p

Detailed Pin Configuration

The MC74HC4046ADTR2G has a total of 16 pins:

1. VCO IN
2. GND
3. VCO OUT
4. VCO CTRL
5. GND
6. PHASE COMPARATOR I/O
7. PHASE COMPARATOR I/O
8. GND
9. FILTER I/O
10. FILTER I/O
11. GND
12. LOCK DETECT
13. GND
14. OSCILLATOR I/O
15. OSCILLATOR I/O
16. VCC

Functional Features

• Phase Comparator: Compares the phase difference between the input signal and the VCO output signal.
• Voltage Controlled Oscillator (VCO): Generates an output signal whose frequency is controlled by the input voltage.
• Filter: Provides filtering of the VCO control voltage to remove noise and unwanted frequency components.
• Lock Detect: Indicates whether the PLL is locked to the input signal or not.
• Oscillator: Provides an external clock source for the internal circuitry.

Advantages and Disadvantages

Advantages: - High-speed CMOS technology allows for fast operation. - Low power consumption makes it suitable for battery-powered applications. - Wide supply voltage range provides flexibility in different operating conditions.

Disadvantages: - Limited frequency range compared to some other PLL ICs. - Requires external components for proper operation, increasing complexity.

Working Principles

The MC74HC4046ADTR2G operates based on the principle of phase-locked loop (PLL). It compares the phase difference between the input signal and the VCO output signal using a phase comparator. The VCO generates an output signal whose frequency is controlled by the input voltage. The filter removes noise and unwanted frequency components from the VCO control voltage. The lock detect circuit indicates whether the PLL is locked to the input signal or not. The oscillator provides an external clock source for the internal circuitry.

Detailed Application Field Plans

The MC74HC4046ADTR2G can be used in various applications including:

1. Frequency Synthesis: Generating stable and accurate frequencies for communication systems, audio equipment, and test instruments.
2. FM Demodulation: Extracting the modulating signal from an FM carrier wave.
3. Clock Recovery: Recovering the clock signal from a data stream in digital communication systems.
4. Phase Detection: Measuring the phase difference between two signals in applications such as radar systems and motor control.

Detailed and Complete Alternative Models

Some alternative models to the MC74HC4046ADTR2G include:

1. CD4046BE: Similar functionality but with a different package (DIP-16).
2. 74HCT4046A: Compatible with TTL logic levels and has improved noise immunity.
3. CD74HC4046E: Similar functionality but with a different package (PDIP-16).

These alternative models offer similar features and can be used as replacements depending on specific requirements.

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