307GI-03LF

Series:	VersaClock® II
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Clock Generator
PLL:	Yes
Input:	Clock, Crystal
Output:	LVCMOS
Number of Circuits:	1
Ratio - Input:Output:	2:3
Differential - Input:Output:	No/No
Frequency - Max:	270MHz
Divider/Multiplier:	Yes/No
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	ICS307-03

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Building Flexible Timing Structures with 307GI-03LF Frequency Synthesizers

The 307GI-03LF is a frequency synthesizer from IDT that can provide highly flexible timing structures across different applications. This flexible timing structure is possible due to the device\'s ability to produce a single high-quality clock for a wide spectrum of frequencies and various combinations. This makes it ideal for applications such as communications, networking, data storage and display systems, which require precise timing control in order to run optimally.

Application Field

The 307GI-03LF has several advantages over conventional frequency synthesizer designs, making it ideal for implementation in different applications. For starters, its frequency range can easily be adjusted by introducing an external voltage controlled oscillator (VCO). As such, this frequency synthesizer can be used in mobile or telecom systems which require the ability to quickly switch between multiple frequencies and legacy radios which operate at single or fixed frequencies. In addition, the 307GI-03LF can also be utilized in applications such as Global Positioning Systems (GPS), navigation, and stock trading systems which require synchronization of multiple frequencies and clock sources.

Work Principle

The 307GI-03LF consists of two integrated circuits (ICs): an ultra-fast low-jitter phase-locked loop (PLL) and a high-performance delta-sigma (ΔΣ) modulator. A single 307GI-03LF IC provides all the necessary timing elements required by a system, reducing the circuit board\'s size, complexity and cost. The first IC is a PLL with a Σ-Δ modulator that is used to detect and filter out undesired clock jitters. This PLLmultiplies the reference frequencyinputby a frame rate determined by it.The result from thismultiplication is then sent to to the Delta-Sigma modulator, which produces low-jitter clock output. In addition, the 307GI-03LF also includes an optional on-chip crystal oscillator, which allows for a stable, high-quality clock output for various applications. It also incorporates several key features such as a wide frequency range selection and a precise adjustability of the output-clock frequency to meet the different requirements of applications such as communications, storage, video, and gaming.

Conclusion

The 307GI-03LF is an ideal clock generator for designing extremely precise and flexible timing structures. Its integrated PLL and Delta-Sigma Modulator ensure a low-jitter clock output, which can be adjusted to any desired frequency. This makes it perfect for applications such as telecommunication, navigation, networks and data storage, where accurate timing is essential. Overall, the 307GI-03LF clock generator can easily be implemented in different applications and offer a reliable, accurate timing structure with minimal effort. As such, it is the ideal choice for building advanced, precise and flexible clock structures.

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