8N4QV01LG-0092CDI

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MEMS oscillators, such as the 8N4QV01LG-0092CDI, are used in many electronic devices where reliable clock or timing signals are needed. These oscillators incorporate a tiny silicon wafer containing miniaturized mechanical structures that act as a resonator, creating oscillations with very low jitter and low power consumption. They are ideal for applications where precise timing is essential, such as microprocessors and sensitive data communication systems.

The 8N4QV01LG-0092CDI is a programmable MEMS oscillator that offers adjustable frequency tuning in the range from 1.4 to 72 MHz. The device is programmed via an I²C serial interface, allowing for easy and precise frequency adjustments. The device is also designed to operate over a wide supply voltage range from 2.7 to 3.6 V, and it features very low total harmonic distortion into any load of up to 15 pF, with a maximum supply current draw of 30 µA. This makes the 8N4QV01LG-0092CDI extremely suitable for low-power battery-operated applications.

The 8N4QV01LG-0092CDI is used in a wide range of applications, including:

• Timing for microprocessors
• Data communication systems
• Wireless LAN systems
• Peripheral devices such as hard drives, flash memory, and USB devices

The working principle of the 8N4QV01LG-0092CDI is based on the vibrations of a tiny mechanical structure, called a resonating comb, which is a thin sheet of silicon material with many vertically-aligned fingers. The resonating comb is mounted on a silicon base that is anchored with several small supports, forming a MEMS device. The comb contains the oscillator’s electrodes and is vibrated by an electrostatic force applied between the electrodes. This creates an alternating current in the oscillator, thus generating a precise frequency.

To control the frequency of the 8N4QV01LG-0092CDI, the frequency tuning ratio of its resonator is varied. The ratio is adjusted by a voltage applied between two electrodes of the oscillator. This voltage can be adjusted through the I²C interface, allowing for precise frequency tuning of the oscillator. The voltage also allows the device to operate over a wide range of supply voltages.

The 8N4QV01LG-0092CDI is a reliable and cost-effective solution for devices requiring precise timing. With its adjustable frequency tuning, wide supply voltage range, low current draw, and low total harmonic distortion, it is rapidly becoming the preferred choice for many electronic applications.

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