Si540 Datasheet (Skyworks) - Crystal Oscillator

Si540, Crystal Oscillator

Selectable via ordering option OE = Output enable; NC = No connect GND = Ground CLK+ = Clock output CLK- = Complementary clock output.

Not used for CMOS.

VDD = Power supply Fixed Frequency Crystal Frequency Flexible DSPLL OSC NVM Control Digital Phase Detector Phase Error Cancellation Digital

Ultra Series™ Crystal Oscillator Si540 Data Sheet Ultra Low Jitter Any-Frequency XO (125 fs), 0.2 to 1500 MHz The Si540 Ultra Series™ oscillator utilizes Skyworks Solutions’ advanced 4th generation DSPLL® technology to provide an ultra-low jitter, low phase noise clock at any output frequency.

The device is factory-programmed to any frequency from 0.2 to 1500 MHz with <1 ppb resolution and maintains exceptionally low jitter for both integer and fractional frequencies across its operating range.

Si540 Features

* Available with any frequency from 0.2 MHz to 1500 MHz

* Very low jitter: 125 fs Typ RMS (12 kHz

* 20 MHz)

* Excellent PSNR and supply noise immunity:

* 80 dBc Typ

* 7 ppm stability option (-40 to 85C)

* 3.3 V, 2.5 V and 1.8 V VDD supply operat