NXP 74HC4046AN Phase-Locked Loop IC
The NXP 74HC4046AN is a high-speed Si-gate CMOS device that is pivotal in the design of phase-locked loop (PLL) circuits. This integrated circuit is designed to be used in a variety of applications that require precise control of frequencies and phases, such as clock generation, frequency modulation/demodulation, and data synchronization systems.
Key Features:
- Voltage Range: The 74HC4046AN operates over a recommended voltage range of 2V to 6V, making it compatible with TTL levels and suitable for battery-operated devices due to its low power consumption.
- PLL Components: The IC includes a linear voltage-controlled oscillator (VCO), two different phase comparators (PC1 and PC2) with a common signal-input amplifier and a common comparator input, and a zener diode for VCO frequency control.
- High Noise Immunity: The 74HC4046AN features a high noise immunity characteristic of CMOS devices, ensuring stable operation even in noisy environments.
- Multiple Applications: It is suitable for use in FM stereo demodulators, data communications, frequency synthesizers, and other electronic systems that require tight frequency control.
Product Specifications:
Parameter
Value
Supply Voltage (V<sub>CC)
2V to 6V
Input Frequency (f<sub>IN)
Up to 18MHz (V<sub>CC = 6V)
Operating Temperature
-40°C to +85°C
Package
14-Pin PDIP
The 74HC4046AN from NXP is a versatile PLL IC that offers designers a reliable and flexible solution for their frequency control needs. Its robustness, coupled with NXP's reputation for quality, makes it a popular choice among engineers and hobbyists alike for designing stable and precise PLL systems.
