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MC74HC4046ADTR2 from ON,ON Semiconductor

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MC74HC4046ADTR2

Manufacturer: ON, MOT

Phase Locked Loop

Partnumber Manufacturer Quantity Availability
MC74HC4046ADTR2 ON, MOT 112 In Stock

Description and Introduction

Phase Locked Loop # **MC74HC4046ADTR2: A High-Performance Phase-Locked Loop IC for Precision Applications**  

In the realm of electronic design, precision timing and frequency control are critical for applications ranging from communication systems to signal processing. The **MC74HC4046ADTR2** stands out as a high-performance **Phase-Locked Loop (PLL)** integrated circuit, offering engineers a reliable and versatile solution for frequency synthesis, clock recovery, and demodulation tasks.  

## **Key Features and Benefits**  

The **MC74HC4046ADTR2** is a member of the **74HC high-speed CMOS logic family**, ensuring low power consumption while maintaining robust performance. This PLL IC integrates three distinct phase comparators, allowing designers to select the optimal detection method based on their application requirements.  

### **1. Multiple Phase Comparators**  
The device includes:  
- **PC1 (Exclusive-OR Gate):** Ideal for applications requiring a linear phase detector response.  
- **PC2 (Edge-Triggered JK Flip-Flop):** Provides a wider capture range and is suitable for frequency synthesis.  
- **PC3 (Edge-Triggered RS Flip-Flop):** Designed for applications where minimal phase error is crucial.  

This flexibility makes the **MC74HC4046ADTR2** adaptable to various signal conditioning and synchronization tasks.  

### **2. Wide Operating Voltage Range**  
With an operational voltage range of **2V to 6V**, this IC is compatible with both **3.3V and 5V logic systems**, making it suitable for mixed-voltage designs.  

### **3. Low Power Consumption**  
Built using **high-speed CMOS technology**, the **MC74HC4046ADTR2** ensures minimal power dissipation while maintaining fast response times—essential for battery-powered and energy-efficient applications.  

### **4. High Noise Immunity**  
The IC features **enhanced noise immunity**, ensuring stable operation even in electrically noisy environments, which is critical for RF and communication systems.  

### **5. Compact and Reliable Packaging**  
Available in a **TSSOP-16 package**, the **MC74HC4046ADTR2** is optimized for space-constrained PCB designs while ensuring robust thermal and electrical performance.  

## **Applications**  

The **MC74HC4046ADTR2** is widely used in:  
- **Frequency Synthesis & Clock Generation** – Generating stable clock signals for microcontrollers and digital systems.  
- **FM Demodulation** – Recovering baseband signals in communication receivers.  
- **Tone Decoding** – Detecting specific frequency tones in telecommunication systems.  
- **Motor Speed Control** – Ensuring precise synchronization in servo and stepper motor applications.  
- **Data Recovery** – Recovering clock signals from encoded data streams.  

## **Conclusion**  

Engineers seeking a **high-performance, low-power PLL solution** will find the **MC74HC4046ADTR2** to be an excellent choice. Its **versatile phase comparators, wide voltage range, and noise-resistant design** make it suitable for a broad spectrum of timing and frequency control applications. Whether used in communication systems, embedded designs, or industrial automation, this IC delivers **reliable, precision performance** in a compact form factor.  

For designers prioritizing **efficiency, flexibility, and signal integrity**, the **MC74HC4046ADTR2** remains a trusted component in modern electronic circuits.

Application Scenarios & Design Considerations

Phase Locked Loop

Alternative Part Number

  • CD74HC4046AM96 --: Same HC4046A PLL function in SOIC-16, direct functional equivalent from a major logic vendor.
  • 74HC4046AD,653 --: HC4046A phase-locked loop in SOIC-16, compatible pinout and logic family.
  • SN74HC4046ANSR --: HC4046A PLL in SOP-16, suitable drop-in alternative with similar electrical characteristics.
  • SN74HC4046AN --: Standard 74HC4046 phase-locked loop in DIP-16, electrically equivalent; suitable when through-hole mounting is acceptable.
  • MM74HC4046AMX --: HC4046 PLL in SOIC-16 from a major logic vendor, same function and pinout, good availability as an alternative source.

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