ICS270PG

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The ICS270PG is a low cost, low power, PLL clock synthesizer that is suitable for a variety of applications, including networking, PCs, LCD TVs, and digital STBs. The device can generate a wide range of frequencies from a single crystal oscillator, making it ideal for applications that require a large number of output clocks. This article will discuss the application field and working principle of the ICS270PG.

Application Field

The ICS270PG is designed for use in high-performance digital and analog systems, such as:

• Networking or telecom equipment, including routers, switches, and gateways
• Personal computers, laptops, and workstations
• Telecommunication equipment—ISDN and PSTN
• Digital television, including LCD and plasma displays
• Digital set-top boxes

The device is also suitable for use in a wide range of other applications, including but not limited to: clock distribution, battery powered applications, and home theatre systems.

Working Principle

The ICS270PG utilizes a phase-locked loop (PLL) principle, allowing it to synthesize multiple clocks from a single crystal oscillator. By using two separate reference signals, the device is able to accurately generate multiple clocks with high jitter and phase noise performance. The PLL consists of two components – the Voltage Controlled Oscillator (VCO) and the Programmable Divider Chain (PDC). The VCO is used to generate the desired clock frequency, while the PDC is used to divide the VCO frequency to generate multiple output clocks.

The device can support a wide frequency range, from 2.5 to 175 MHz. It is also capable of generating output clocks with a range of frequencies, from 500 kHz to 170 MHz. Additionally, the ICS270PG features excellent jitter performance, making it an ideal choice for applications requiring low jitter clocks.

The ICS270PG is a low cost, low power, and low jitter PLL clock synthesizer, making it perfect for a wide range of applications. It is able to generate a wide range of frequencies from a single crystal oscillator, making it ideal for applications that require multiple output clocks.

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