8N4SV75FC-0145CDI

Series:	FemtoClock® NG
Packaging:	Tray
Part Status:	Active
Type:	VCXO
Count:	--
Frequency:	100MHz
Voltage - Supply:	2.375 V ~ 2.625 V
Current - Supply:	136mA
Operating Temperature:	-40°C ~ 85°C
Package / Case:	6-CLCC
Supplier Device Package:	6-CLCC (7x5)
Mounting Type:	Surface Mount
Base Part Number:	IDT8N4SV75FC

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Introduction

The 8N4SV75FC-0145CDI is a highly versatile programmable oscillator from the Clock/Timing category of electronic circuitry known as Programmable Timers and Oscillators. Specifically, it is a crystal oscillator capable of being programmed to output steady frequencies ranging from 1Hz to 145MHz for a wide variety of purposes in modern electrical systems. Commonly utilized for clock signals and timing pulses, these come in all sizes and shapes, tailored for optimized size, power consumption and output accuracy.

Types of Oscillators

There are a variety of different oscillator circuits, all of which have unique properties and characteristics. The most common types of oscillators are:

• Crystal oscillators
• Table-top oscillators
• Phase-shift oscillators
• Voltage controlled oscillators (VCOs)
• Relaxation oscillators
• Negative resistance oscillators
• Temperature-compensated oscillators (TCXOs)
• Temperature-controlled oscillators (TCOs)

Each of these types of oscillators has its own strengths, weaknesses, and application areas. The 8N4SV75FC-0145CDI belongs to the category of crystal oscillators.

Crystal Oscillators

Crystal oscillators are incredibly popular due to their high precision, compact size, and low power consumption. The 8N4SV75FC-0145CDI is a quartz crystal resonator housed in a miniature 8-pin package. It has a frequency range of 1 to 145 MHz, a frequency stability of ±1 ppm, and a low power consumption of only 1.8 mA.This type of oscillator works by converting the mechanical vibrations of a crystal into an electrical signal. The crystal’s vibration is maintained by a DC voltage, usually offered by the device itself. The output frequency is determined by the value of the capacitor(s) connected to the crystal, as well as the crystal’s mechanical properties.

Application Field and Working Principle of 8N4SV75FC-0145CDI

The 8N4SV75FC-0145CDI is a programmable crystal oscillator, which means it is able to output various frequencies without having to replace the crystal. It utilizes programmable digital control and a flexible output driver to offer an extremely flexible solution for frequency generation in many areas, including:

• Medical and industrial instrumentation
• Telecommunication systems
• Networking and audio applications
• Multimedia
• Test and measurement equipment

The 8N4SV75FC-0145CDI also features a new technology called “Crystal Dynamics”, which improves the overall performance of the crystal oscillator by introducing a highly dynamic crystal tuning technique that rapidly adjusts the output frequency over a wide range of applications. This offers superior accuracy, superior temperature compensation and superior frequency stability, making it ideal for applications requiring accurate frequency generation.In terms of operation, the 8N4SV75FC-0145CDI utilizes a crystal resonator, typically quartz, that is connected to a transistor actuated differential driver circuit. The transistor-based circuit amplifies the crystal resonator’s mechanical vibrations into a stable, reliable electrical signal. This signal is then fed into a PLL (Phase Locked Loop) circuit, which further amplifies the signal and provides a highly stable output frequency determined by the programming of the oscillator. The 8N4SV75FC-0145CDI is a highly versatile programmable oscillator from the Clock/Timing category of electronic circuitry known as Programmable Timers and Oscillators. It is a crystal oscillator capable of being programmed to output steady frequencies ranging from 1Hz to 145MHz for many different purposes. It utilizes a differential driver circuit and PLL to achieve its overclocking and frequency adjusting capabilities. This makes it a popular choice for medical and industrial instrumentation, telecom systems, networking, audio, multimedia, and even test and measurement equipment.

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