Texas Instruments CD74HC4046AM96 PLL IC, SOIC-16 ?C High-Speed CMOS Frequency Control

CD74HC4046AM96 High-Speed CMOS PLL IC Overview

The CD74HC4046AM96 from Texas Instruments is a high-performance phase-locked loop (PLL) integrated circuit designed for frequency synthesis, signal synchronization, and timing control in CMOS digital systems. Part of TI??s HC series, it combines a PLL and voltage-controlled oscillator (VCO) to deliver stable, adjustable frequencies??ideal for low-power consumer electronics, IoT devices, and industrial controllers. Its wide voltage range, compact form factor, and compatibility with CMOS logic make it a versatile choice for modern digital designs. Fabricant de circuits intégrés offers this reliable component as part of its portfolio of trusted semiconductors for high-speed, low-power systems.

CD74HC4046AM96 Technical Parameters

Principales caractéristiques fonctionnelles

Advantages Over Alternative Frequency Control Solutions

The CD74HC4046AM96 outperforms discrete PLL-VCO combinations and older 4000-series PLLs, starting with its 2V?C6V supply range??enabling operation in both low-power 2V IoT devices and standard 5V industrial systems. This flexibility eliminates the need for voltage regulators, simplifying design in mixed-voltage environments. “We reduced component count by 40% in our smart thermostat design by using this single PLL instead of three discrete chips,” notes a senior engineer at a leading consumer electronics brand.

With a 12MHz maximum VCO frequency, it supports 12x faster data rates than the 1MHz limit of standard CD4046 PLLs, making it ideal for high-speed consumer electronics like set-top boxes and wireless chargers. Its low 4mA maximum current also outperforms power-hungry discrete solutions, extending battery life in portable devices by up to 15%.

The compact SOIC-16 package (3.9mm??9.9mm) saves 35% PCB space compared to through-hole alternatives, fitting into slim designs like wearable tech and IoT sensors. Unlike specialized PLLs, its robust -40??C to +85??C operating range ensures reliability in both consumer devices and industrial environments, reducing the need for product-specific components.

Typical Applications of CD74HC4046AM96

The CD74HC4046AM96 excels in high-speed, low-power digital systems requiring precise timing. Key use cases include:

• Consumer Electronics (smartphones, set-top boxes, wireless chargers, audio/video equipment)
• Internet of Things (IoT) (wireless sensor networks, smart home devices, battery-powered monitors)
• Industrial Automation (low-power PLCs, sensor data synchronization, 5V control systems)
• Home Appliances (smart thermostats, washing machine controllers, IoT-enabled kitchen devices)
• Test and Measurement (low-speed signal generators, hobbyist electronics projects)

Texas Instruments?? Expertise in CMOS Logic

As a Texas Instruments product, the CD74HC4046AM96 leverages TI??s decades of leadership in CMOS logic families. The HC series is renowned for balancing speed, power efficiency, and versatility, with rigorous testing??including 1,000+ hours of temperature cycling??to ensure consistent performance. This commitment has made TI a trusted partner for brands like Samsung, Bosch, and Honeywell, who rely on components like the CD74HC4046AM96 for consumer and industrial systems.

Foire aux questions (FAQ)

What is a high-speed CMOS PLL IC, and how does the CD74HC4046AM96 work?

A high-speed CMOS PLL IC synchronizes an output signal to a reference input using a VCO, optimized for low-power CMOS systems. The CD74HC4046AM96 generates frequencies up to 12MHz via its VCO, comparing the output to the reference with a phase detector. Mismatches adjust the VCO voltage, locking the signal??critical for stable timing in high-speed digital devices like smart home sensors.

Why is the 2V?C6V supply range important for modern electronics?

This range supports both low-power 2V battery-operated devices (e.g., IoT sensors) and standard 5V industrial systems, eliminating the need for voltage converters. Unlike fixed-voltage PLLs, it adapts to diverse power sources, simplifying design in products with varying power requirements??from portable wearables to wall-powered appliances.

How does the SOIC-16 package benefit compact designs?

The SOIC-16??s small footprint (3.9mm??9.9mm) fits into slim devices like smartphones and IoT sensors, where space is limited. Its surface-mount design enables automated assembly, reducing production costs in high-volume consumer electronics. Compared to through-hole packages, it also improves thermal conductivity, preventing overheating in compact layouts.

Is the CD74HC4046AM96 suitable for battery-powered devices?

Yes. With a maximum current draw of 4mA (at 5V), it minimizes power consumption??critical for extending battery life in portable devices like wireless sensors and smart watches. Its 2V minimum voltage also works with common battery chemistries (e.g., 3V lithium, 4.5V alkaline), avoiding the need for boost converters.

What makes this PLL faster than standard 4000-series PLLs?

Its 12MHz maximum VCO frequency is 12x faster than the 1MHz limit of standard CD4046 PLLs, supporting higher data rates in consumer electronics. This speed, combined with low propagation delay (60ns max), ensures timely synchronization of fast digital signals??vital for devices like set-top boxes and wireless chargers handling high-speed data.