SI5334C-B04810-GMR

Application Field and Working Principle of SI5334C-B04810-GMR

The SI5334C-B04810-GMR is a CMOS differential oscillator used in clocks/timing applications in a wide variety of electronics products.

The clock provides a stable, accurate, and noise-resistant output that eliminates the need for external filters and metal shielding and improves the design process for electronic system designers.

Product Features

The SI5334C-B04810-GMR operates at 3.3V and has a frequency range of 48-760MHz with an output frequency stability of ±14 ppb (no extra components is needed).

The integrated differential oscillator contains an adjustable amplifier and a high-performance core circuit which can guarantee a low jitter output.

The output isolation feature minimizes interference from surrounding components and devices.

The SI5334C-B04810-GMR also has a low phase-noise and low power consumption.

Product Applications

The SI5334C-B04810-GMR can be used in a wide variety of applications including:

• Wireless communication
• Digital networks and networking protocols
• Networking equipment
• Automatic teller machines (ATMs)
• Financial services and banking operations
• Wireless base stations
• Test and measurement equipment
• Navigation systems
• Low-cost consumer electronics
• Medical equipments

Working Principle

The integrated oscillator in the SI5334C-B04810-GMR incorporates an adjustable amplifier and an active feedback network that continuously adjust the output frequency.

The amplifier provides a buffered output to the active feedback network to drive the control voltage.

The frequency adjustment is due to the circuitry between the output node (Vdd) and the amplifier’s output.

The feedback network is composed of an ultralow noise LC resonator, whose output is connected to the amplifier as the reference frequency.

The amplifier integrates the LC resonator\'s output and adjusts its own output frequency to match the reference frequency.

The frequency of the SI5334C-B04810-GMR can be programmed using an external resistor divider (Rt) between GND and Vdd.

In this configuration, the pinout accepts an easy-to-program resistive input clock, removing the need for an external oscillator or third-party control software.

Conclusion

The SI5334C-B04810-GMR CMOS differential oscillator is a highly integrated product suitable for a wide variety of applications.

The device offers excellent stability, accuracy, low power consumption and low jitter, while also providing a resistive input providing users easy-to-program frequency selection.