91305AGLF

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91305AGLF is a programmable clock generator or “phase-locked-loop” (PLL) integrated circuit produced by ICS, Inc. It is specifically designed for high precision frequency control. The PLL can be programmed for a wide range of frequencies and used for many applications including microprocessor and clock system clocking, radio frequency (RF) systems and microwave systems. The device’s low jitter and spurs, as well as low power consumption, make it ideal for today’s highly integrated, low power systems.

The 91305AGLF is a complete PLL frequency synthesizer, consisting of an on-chip voltage-controlled oscillator, a prescaler, a phase-frequency detector (PFD), a charge pump, a loop filter and a low noise, variable gain amplifier (VGA). The device uses a fully integrated programmable reference clock source, making it easy to configure for a wide range of frequencies. It also has a digital lock detect (LD) feature, which allows for quick and accurate frequency diagnostics.

The 91305AGLF has a wide frequency range of 1MHz to 500MHz and supports both full-scale and fractional-N frequency synthesis. The reference clock frequency is typically between 50MHz and 400MHz, depending on the frequency range of the desired output frequency. The PLL can be programmed to output a signal with a maximum frequency of 500MHz, using either a 16- or 10-bit resolution. It also has programmable pull-in range, jitter attenuator, loop bandwidth, and frequency divider which can be configured for the specific application.

In addition to the high frequency output range, the 91305AGLF also has low jitter and spurs, low power consumption, high stability and accuracy, as well as a high level of integration. The device is capable of providing jitter/spur performance of less than 0.7ps rms jitter and –115 dBc/Hz spur level at a frequency of 50MHz. The output signal is also highly stable over a wide temperature range of –40°C to +85°C. Lastly, the power consumption of the device is typically less than 725mW.

The 91305AGLF is an ideal choice for many applications requiring high accuracy and performance as it offers a wide dynamic range. It is used in applications such as microprocessors and clock systems clocking, radio frequency (RF) systems, and microwave systems. Additionally, the device is ideal for use in low power systems due to its low jitter and power consumption.

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