CY26121KZXI-21T

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CY26121KZXI-21T is an integrated circuit from Texas Instruments that is used in Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers. The device includes an oscillator comprising voltage-control oscillator, VCO divider, programmable frequency divider, and a selectable output stage, which can be used to generate stable, low-jitter clocks in a variety of frequency applications.

The CY26121KZXI-21T has a wide operating range, with a differential input frequency range of 80 MHz to 2.44 GHz and a stable operating temperature range of -40°C to 85°C. The device is also fully programmable, allowing easy re-programming of operating conditions and enable/disable of analog/digital outputs according to specific applications.

In terms of power consumption, the CY26121KZXI-21T has a power-down current draw of 6 μA, which is very low compared to other clock generatrors in the same class. It is also capable of operating from a single supply source of 1.2V to 1.8V.

The CY26121KZXI-21T provides a complete and programmable frequency synthesizer with very low power consumption and excellent jitter performance. It can be used for tasks such as clock signal generation, time base generation, clock verification, signal generation, signal detection, signal synchronization, and more.

The application of the CY26121KZXI-21T is fairly simple, and it can be used in various applications such as digital signal processing, RF signal generation and conditioning, data acquisition, and communication systems. The working principle of this device involves the combination of an oscillator, a programmable frequency divider, and a selectable output stage. The oscillator creates a stable signal at the desired frequency, which is then divided by an internal divider circuit to produce the desired output frequency.

The internal divider circuit is capable of providing division ratios ranging from 2 to 256, allowing for a wide range of selection of output frequencies. The selectable output stage is also capable of providing multiple levels of output frequency resolution, making it suitable for various application needs.

The CY26121KZXI-21T is ideal for a broad range of timing applications and can be used in both digital and analog systems. It is capable of providing excellent jitter performance and reliable performance even under extreme temperature conditions.

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