IDT23S08E-1DC8

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IDT23S08E-1DC8 is an integrated circuit (IC) used in clock / timing applications as a clock generator, phase-locked loop (PLL), and frequency synthesizer. It was developed by Integrated Device Technology (IDT).

Features

The IDT23S08E-1DC8 is a highly integrated clock/timing IC which integrates both support and application of multiple frequency synthesis and clock generation. The integrated circuit is designed to meet any stringent requirements for low jitter, high accuracy, excellent performance and reliability. The device supports frequencies from 8 kHz to 800 MHz with excellent performance and clock accuracy of 10-20ppm over the entire operating temperature range. It features low jitter (4ps RMS), low power consumption (~200 mW), soft start ramp-up, phased lock loop (PLL) design, enable/disable input, and an output enable output. It also includes an adjustable reference clock (2.5V-5V) input with a maximum frequency of up to 8 GHz. Other features available on the device include a divider/multiply chain, an integrated Regulator, pre-divide settings, frequency lock detect (FLD) and clock synchronization inputs.

Applications

The IDT23S08E-1DC8 is widely used in a variety of applications ranging from RF communications, cellular telephony and broadcasting to disk drives, network electronics, and measurement instrumentation. The device can be used as a clock synthesizer, clock generator, PLL, or frequency synthesizer. Its wide range of output frequencies and clock accuracy make it an ideal choice for generating and synthesizing reference clock signals in any application where precise timing is required. In addition, the device’s low power consumption, low jitter, and excellent performance make it suitable for use in portable and battery powered applications.

Working Principle

The IDT23S08E-1DC8 utilizes a highly sophisticated PLL architecture to generate clocks and synthesize frequencies. The device contains an internal Phase Locked Loop (PLL) that is used to precisely adjust the timing of its output waveform relative to an external reference clock waveform. The device takes the incoming reference waveform and compares it to a stable internal clock oscillator. Any discrepancies between the two are then detected and used to adjust the internal oscillator frequency until equilibrium is achieved.

Once equilibrium is established, any changes to the incoming waveform can be detected and used to generate a stable, precise output clock waveform. The device also supports multiple frequency synthesis and clock management, allowing the user to select specific frequencies, pre-divides, and clock combinations. This makes the device suitable for generating frequencies for all types of applications.

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