LTC6950IUHH#TRPBF

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The LTC6950IUHH#TRPBF is a Dual-Loop, Dual-Channel Clock Generator with integrated PLLs designed to provide concurrent multi-band arbitrary clock outputs and features precise, low-jitter, low-skew clock generation. Utilizing two independent PLLs, the LTC6950 supports two separate clock output frequencies. This product provides an ideal solution for applications requiring multiple synchronized clocks, such as digital video broadcasting (DVB) and 3D broadcast systems. In addition, it is suitable for use in SDI, HDMI, digital broadcasting, networking, DSP, and general purpose clock generation environment.

Clock Generator, PLL, and Frequency Synthesizer are all terms that refer to the same type of device. They essentially refer to a circuit that produces a clock signal from an input frequency. A clock generator produces a fixed frequency clock signal, while a PLL (phase-locked-loop) circuit produces a clock signal whose frequency is a fixed multiple of an input signal frequency. The LTC6950IUHH#TRPBF utilizes a combination of these two circuits for clock generation.

The LTC6950IUHH#TRPBF features two independent PLLs, each with their own reference clock in and clock output. The reference clock and output clock can each be adjusted independently, allowing the clock generator to produce two separate clock frequencies. This multi-band capability is especially useful in applications requiring simultaneous synchronization of multiple independent clocks. Additionally, the device also features a clock synchronizing pin, which helps to ensure accuracy and low jitter across the two outputs.

The operation of the LTC6950IUHH#TRPBF begins with a digital programming interface that allows the user to specify the frequency and output of each of the two PLLs. Dividers are then used to divide the PLL output frequency until it matches the desired reference, or input, frequency. The frequencies are then compared, and the PLL locks in the desired output frequency and ensures it is accurately times and in sync with the reference clock.

The dual-loop design of the LTC6950IUHH#TRPBF enables it to remain jitter and phase-noise free when changing or overtaking frequencies, meaning that the PLL output is never locked to a single prior frequency. This ensures that the outputs accurately follow the reference clock, even over a wide range of frequencies. Additionally, the device features adjustable loop bandwidth and phase margin, allowing the user to adjust the loop bandwidth and phase margin in order to maximize phase noise and jitter performance.

The LTC6950IUHH#TRPBF clock generator is designed to provide reliable, low-jitter, low-skew clock generation in applications that require multiple synchronized clocks. The dual-loop design ensures jitter and phase-noise free frequency transitions, while allowing for adjustable loop bandwidth and phase margin. With its multi-band capability and improved performance, the LTC6950IUHH#TRPBF makes an ideal solution for many clock generation applications, from broadcasting to networking and DSP.

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