IDT2309B-1HPG8

Differential - Input:Output:	No/No
Base Part Number:	IDT2309-1
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	3 V ~ 3.6 V
Divider/Multiplier:	No/No
Frequency - Max:	133MHz
Series:	--
Ratio - Input:Output:	1:9
Number of Circuits:	1
Output:	LVTTL
Input:	LVTTL
PLL:	Yes with Bypass
Type:	Zero Delay Buffer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

IDT2309B-1HPG8 is a versatile, high-frequency clock and timing device for a wide range of applications. It is a highly integrated system-on-chip (SoC), combining frequency generation, jitter-reduction and spread-spectrum clock generation into a single device. This clock and timing device provides an array of features to ensure optimal performance of general-purpose frequency synthesizers and PLLs, which make it ideal for a various range of applications, from consumer electronics to industrial automation systems.

Application Fields for IDT2309B-1HPG8

Some applications of IDT2309B-1HPG8 clock and timing device include:

• General-purpose frequency synthesizers that transmit and receive varying frequencies, such as short-wavelength infrared (SWIR) systems.
• Communications systems, such as mobile radios, radios, modems and digital communication systems.
• Broadcast systems, such as satellite transmission and reception.
• Industrial automation systems, such as industrial controllers, automatic test systems and embedded systems.
• Consumer electronics, such as gaming systems and DVD players.

Working Principle of IDT2309B-1HPG8

The IDT2309B-1HPG8 clock and timing device uses Frequency Locked Loops (FLLs) for time-keeping, frequency synthesis and jitter mitigation. It includes three main components: a reference oscillator, a phase-frequency detector, and a variable frequency divider. The FLL uses the reference oscillator to provide a stable reference frequency and the phase-frequency detector to compare the reference frequency to the current frequency and determine the difference between the two. This difference is used to adjust the variable frequency divider, which can then be adjusted to generate the correct output frequency. The device also features jitter-reduction circuitry and spread-spectrum clocking, which can reduce the peak jitter up to 10x. Jitter-reduction is achieved by creating a modulated version of the input signal and then adding it to the desired output. Spread-spectrum clocking, which reduces electromagnetic emissions, is achieved by changing the frequency of the output signal over a range of frequencies, and is often used in consumer electronics and broadcast applications.

Conclusion

The IDT2309B-1HPG8 clock and timing device is a versatile and powerful timestamp for a wide array of applications, from consumer electronics to industrial automation systems. This device uses FLL technology for time-keeping, frequency synthesis, and jitter reduction, and also features jitter-reduction circuitry and spread-spectrum clocking. With its various integrated features, this device is ideal for a wide range of applications where fast, accurate, and precise timing and frequency is essential.

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