8N4SV75EC-0174CDI8

Series:	FemtoClock® NG
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	VCXO
Count:	--
Frequency:	136MHz
Voltage - Supply:	3.135 V ~ 3.465 V
Current - Supply:	140mA
Operating Temperature:	-40°C ~ 85°C
Package / Case:	6-CLCC
Supplier Device Package:	6-CLCC (7x5)
Mounting Type:	Surface Mount
Base Part Number:	IDT8N4SV75EC

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Introduction to 8N4SV75EC-0174CDI8

The 8N4SV75EC-0174CDI8 is a member of a family of highly flexible programmable timers and oscillators from the electronics provider Intersil. Specifically, it is a low-phase jitter programmable differential clock generator. This type of device allows for precise control over frequency with the ability to accurately select from a variety of clock frequencies, with 0.1 dB RMS phase noise as low as -120 dBc/Hz. In addition, the 8N4SV75EC-0174CDI8 offers maximum integration, providing a wide range of output frequency ranges, output voltage ranges, and total process dissipation, making it very suitable for a variety of applications such as telecommunications systems, computer motherboards, HDTVs, and more.

Application Field of the 8N4SV75EC-0174CDI8

The 8N4SV75EC-0174CDI8 is a universal programmable differential clock generator suitable for most applications that require precise control over frequency and low-phase noise jitter. This device is a great choice for applications that require a wide range of output frequencies, because it can generate frequencies from 1MHz to 600MHz. With the help of the built-in frame and strobe functions, this device is especially suited for today’s emerging industry standards, such as the DisplayPort standard for computer motherboards, next-generation high-definition television (HDTV) systems, and Ethernet and fibre-optic communication systems.

Working Principle of the 8N4SV75EC-0174CDI8

It has been proven that the 8N4SV75EC-0174CDI8 is a very suitable device for the application fields mentioned above. What makes this device stand out is its low-phase jitter and how precisely it can control frequency. The low-phase jitter characteristic is due to the fact that it utilizes ASIC technology and a Phase-Locked Loop (PLL) topology that limits the jitter of the internal circuitry to less than 0.5ps RMS.The 8N4SV75EC-0174CDI8 is capable of generating frequencies from 1MHz to 600MHz in 1% increments, and features factory programming to offer maximum flexibility in frequency selection. It has an integrated PLL, voltage-controlled oscillator, crystal oscillator, and output drivers, which are all programmable by a user\'s code. This allows for a wide range of output frequency ranges and output voltage ranges, with total process dissipation of 144mW.In order to control and generate the different frequencies and output voltage levels, the 8N4SV75EC-0174CDI8 utilizes the PLL topology. A PLL circuit has three primary stages: a reference oscillator stage, a phase comparator stage, and a voltage-controlled oscillator (VCO) stage. The reference oscillator is the source of the phase reference signal, and the phase comparator compares the phase of the reference signal to the phase of the VCO output. The output of the phase comparator is used to adjust the frequency of the VCO, thus creating a feedback loop that allows for precise frequency control of the output signal.

Conclusion

The 8N4SV75EC-0174CDI8 from Intersil is a programmable low-phase jitter differential clock generator that is suitable for both consumer- and professional-level electronics. It offers a wide range of frequency and output voltage ranges, with process dissipation of 144mW, thus making it a great candidate for applications in telecommunications systems, computer motherboards, HDTVs, and Ethernet/fiber-optic communication systems. Furthermore, it is also incredibly precise, as it utilizes a PLL topology that limits the jitter of the internal circuitry to less than 0.2 ps RMS, allowing it to easily meet the requirements of today\'s demanding industry standards.

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