8N3DV85EC-0025CDI

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Clock/Timing devices are essential components of most electronic systems. From large-scale systems such as factories, to small-scale home appliances, they are vital for providing millisecond precision timing to processes that require periodic triggers. Programmable timers and oscillators, like the 8N3DV85EC-0025CDI, are versatile devices that can provide a range of timing and control services to these electronic systems.

The 8N3DV85EC-0025CDI is a 2-cell digital-analog hybrid voltage-controlled crystal oscillator (VCXO). It combines a higher precision crystal-based oscillator with a more flexible digital programmable system. The VCXO is compatible with a variety of crystal types and boasts both excellent jitter performance (as low as 0.4 ps) and a wide frequency range (from DC to 160 MHz).

The 8N3DV85EC-0025CDI is not only versatile, but also highly reliable. It is designed to work at various operating temperature ranges (−40° C to +85° C) with minimal drift over its lifespan. It also has RoHS-2 compliant packaging and comes with a wide range of optional functional assessments (machine qualification, power-up detection and voltage offset monitoring).

The 8N3DV85EC-0025CDI is primarily used in autonomous and specialty timing applications. Its digital programming capabilities allow it to provide precisely timed periodic triggers (for example, time-out and time-delay events) and control functions (frequency change and phase shift) that are essential in modern electronic systems. Furthermore, its superior jitter performance allows this device to be used in applications where timing accuracy is paramount.

At its core, the 8N3DV85EC-0025CDI utilizes a programmable timing generator (PTG) to generate and control a reference clock signal. The PTG takes two inputs, a crystal oscillator and a programmable step size. A voltage controlled oscillator (VCO) is used to resonate the crystal to produce an output signal with a specific frequency. The VCO can be adjusted using the programmable step size to refine the clock\'s output precision.

The 8N3DV85EC-0025CDI can also be programmed using an I2C or SPI interface. This interface allows the output frequency, pulse width, and duty cycle to be configured. The device also includes a set of digital logic functions, such as enable/disable, synchronous reset, debounce, negative edge start, and holdover, which allow it to be easily incorporated into a variety of electronic systems.

The 8N3DV85EC-0025CDI is an ideal choice for applications requiring precise, long-term timing and control. Its combination of reliability, programmability, and low power consumption make it well suited for use in battery-powered, autonomous, specialty and precision control applications. Despite being relatively small and cost effective, this device offers excellent timing accuracy and a wide range of features, making it a great choice for modern electronic systems.

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