CY25403SXC-009

Series:	*
Part Status:	Obsolete
Base Part Number:	CY25403

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The CY25403SXC-009 is a monolithic frequency synthesizer with a 4:1 input multiplexer that has a mix of fully integrated analog and digital circuits. It is part of the Cypress Semiconductor\'s large family of Clock/Timing solutions and is dedicated to the synchronization of networks and its synchronized mobile nodes, such as Wi-Fi, Bluetooth, and other communication standards. It is designed to provide rapid tuning and generates an accurate output frequency in the range of 2.4 to 2.48 GHz with a very low current consumption.

The CY25403SXC-009 can be used for applications that require a high degree of accuracy and stability, such as frequency synthesis for cellular networks and wireless systems. It is suitable for a variety of applications, from automotive to industrial, from consumer applications to communications networks. It can also be used for frequency hopping and fast frequency switching, as well as wide range acquisition and tracking of received frequency ramp signals. In addition, it can be used to reduce power consumption and increase system efficiency in Wi-Fi, Bluetooth and other communication standards.

The CY25403SXC-009 includes a 4:1 fully integrated MUX that can be used to select an external reference, a synthesizer reference, or a fractional synthesizer reference. It features an on-chip voltage controlled oscillator (VCO) and a divider to output a stable frequency. The VCO and divider are controlled by a phase locked loop (PLL) circuit for rapid tuning, which is also supported by an on-chip temperature sensor for compensating temperature drift of the VCO. The PLL also provides a low phase noise output signal.

The CY25403SXC-009 works by modulation of the VCO output frequency using the phase-locked loop. This allows it to produce a wide range of output frequencies. A signal is generated from the VCO and divided by the on-chip divider before being compared to the reference signal. Any difference between the signals is detected by the oscillator, which adjusts the VCO’s output frequency until the signals are in-phase. At this point, the loop is locked, and the output of the VCO is used as the output frequency of the synthesizer.

The CY25403SXC-009 features an integrated phase noise cancellation circuit, which can reduce the phase noise of the system by up to -98dB. This allows the device to provide clean and stable signals across various conditions. It also includes an integrated low-saturation voltage regulator that can provide reliable power supply stability and low power consumption.

Overall, the CY25403SXC-009 is a highly flexible and accurate frequency synthesizer with an integrated 4:1 MUX that can be used in a variety of applications. It is ideal for applications that require accurate and stable signals, such as cellular networks and wireless systems. Its low consumption and temperature drift compensation make it well-suited for use in communication systems.

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