CD74HCT4046AE
Overview
Category
CD74HCT4046AE belongs to the category of integrated circuits (ICs).
Use
It is commonly used in electronic circuits for frequency synthesis and phase-locked loop (PLL) applications.
Characteristics
- High-speed operation
- Low power consumption
- Wide operating voltage range
- Schmitt trigger inputs
- Improved noise immunity
Package
CD74HCT4046AE is available in a 16-pin dual in-line package (DIP).
Essence
The essence of CD74HCT4046AE lies in its ability to generate stable and accurate frequencies, making it suitable for various applications requiring precise timing.
Packaging/Quantity
CD74HCT4046AE is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications and Parameters
- Supply Voltage: 2V to 6V
- Operating Temperature Range: -40°C to +85°C
- Input Voltage High Level: 3.15V (min), 4.5V (max)
- Input Voltage Low Level: 0.35V (min), 1.5V (max)
- Output Voltage High Level: 4.4V (min), 5.2V (max)
- Output Voltage Low Level: 0.4V (min), 0.8V (max)
Pin Configuration
The pin configuration of CD74HCT4046AE is as follows:
- VCO IN
- GND
- VCO OUT
- NC
- PHASE COMPARATOR INPUT
- PHASE COMPARATOR INPUT
- PHASE COMPARATOR INPUT
- VCC
- FILTER INPUT
- FILTER OUTPUT
- NC
- NC
- NC
- NC
- NC
- NC
Functional Characteristics
CD74HCT4046AE offers the following functional characteristics:
- Phase comparator with three inputs
- Voltage-controlled oscillator (VCO)
- Low-pass filter (LPF)
- Lock detection circuitry
- Frequency and phase comparators
Advantages and Disadvantages
Advantages
- High-speed operation allows for quick frequency synthesis.
- Low power consumption makes it suitable for battery-powered devices.
- Wide operating voltage range provides flexibility in various applications.
- Schmitt trigger inputs enhance noise immunity.
Disadvantages
- Limited pin configuration options may restrict certain circuit designs.
- Requires external components for complete PLL functionality.
Applicable Range of Products
CD74HCT4046AE is commonly used in the following products:
- Communication systems
- Audio equipment
- Test and measurement instruments
- Clock generation circuits
- Frequency synthesizers
Working Principles
The working principle of CD74HCT4046AE revolves around its phase-locked loop (PLL) functionality. It compares the phase and frequency of an input signal with a reference signal, generating an output signal that locks onto the desired frequency.
Detailed Application Field Plans
CD74HCT4046AE finds application in various fields, including:
- Wireless communication systems: Used for frequency modulation and demodulation.
- Audio equipment: Enables precise tuning and frequency control in audio processing circuits.
- Test and measurement instruments: Provides accurate frequency generation for signal analysis.
- Clock generation circuits: Used to generate stable clock signals for digital systems.
- Frequency synthesizers: Allows for the synthesis of multiple frequencies from a single reference signal.
Detailed Alternative Models
Some alternative models to CD74HCT4046AE include:
- CD4046BE
- MC14046B
- HEF4046BP
- 74HC4046
5 Common Technical Questions and Answers
Q: What is the maximum operating voltage for CD74HCT4046AE? A: The maximum operating voltage is 6V.
Q: Can CD74HCT4046AE be used in battery-powered devices? A: Yes, it has low power consumption, making it suitable for such applications.
Q: Does CD74HCT4046AE require external components for PLL functionality? A: Yes, it requires additional components like resistors and capacitors for complete PLL operation.
Q: What is the purpose of the lock detection circuitry in CD74HCT4046AE? A: The lock detection circuitry ensures that the output signal remains locked onto the desired frequency.
Q: Are there any alternative models with similar functionality? A: Yes, some alternative models include CD4046BE, MC14046B, HEF4046BP, and 74HC4046.
This concludes the encyclopedia entry for CD74HCT4046AE.