ICS85301AKLFT

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The ICS85301AKLFT is a high-speed, low power frequency synthesizer with fractional and integer-N PLLs. It is designed to generate high accuracy frequency of varying frequencies from a single reference clock input. This application note provides an overview of the ICS85301AKLFT and its application field and working principle.

The ICS85301AKLFT consists of a programmable frequency synthesizer with a fractional, integer-N and superloop architectures. The device allows up to 24 output frequencies to be generated from a single reference input clock. It offers a highly accurate output frequency with a frequency resolution of 0.062mHz and can be used to generate frequency up to 400MHz with +/-100ppm accuracy. The device allows for simple control as the output frequency can be programmed over a wide range using the I2C compatible serial port.

The ICS85301AKLFT is based on the principle of PLL. PLL stands for Phase Locked Loop, which is a system consisting of three fundamental components: Frequency Divider, Voltage Controlled Oscillator (VCO) and a phase detector. The ICS85301AKLFT is implemented using the fractional and integer-N PLL architectures. This allows it to generate high accuracy frequency of varying frequencies from a single reference clock input.

The ICS85301AKLFT incorporates the fractional, integer-N and superloop architectures for flexibility and cost savings. The fractional architecture enables the frequency divider to divide the input frequency by a fractional ratio, resulting in improved performance and greater accuracy. The integer-N architecture enables the device to be used for both integer and fractional frequency synthesis. The superloop architecture allows for multiple output frequencies with the same input frequency and better frequency accuracy.

The ICS85301AKLFT can be used in a variety of applications including clock generation and distribution, multi-band RF and communication systems, and clock synchronization. It can be used to generate high accuracy frequencies of varying frequencies from a single reference clock input. It is easy to program over a wide range using the I2C compatible serial port. The device also features an input frequency range of 10MHz to 400MHz, multiple output frequency ranges of up to 24 channels, overall frequency stability of +/-100ppm, and current consumption of <1mA at 3.3V.

In summary, the ICS85301AKLFT is used primarily in Clock/Timing - Clock Buffers, Drivers. It is a high-speed, low power frequency synthesizer with fractional and integer-N PLLs. The device enables up to 24 output frequencies to be generated from a single reference clock input with a frequency resolution of 0.062mHz. It also offers an input frequency range of 10MHz to 400MHz, multiple output frequency ranges of up to 24 channels, overall frequency stability of +/-100ppm, and current consumption of <1mA at 3.3V.

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