Part number:
Si549
Manufacturer:
Silicon Laboratories
File Size:
1.05 MB
Description:
Crystal oscillator.
Datasheet Details
Part number:
Si549
Manufacturer:
Silicon Laboratories
File Size:
1.05 MB
Description:
Crystal oscillator.
Si549, Crystal Oscillator
Selectable via ordering option OE = Output enable; FS = Frequency Select; NC = No connect GND = Ground CLK+ = Clock output CLK- = Complementary clock output.
Not used for CMOS.
VDD = Power supply SDA = I2C Serial Data SCL = I2C Serial Clock Fixed Frequency Crystal Frequency Flexible DSPLL OSC NV
Ultra Series™ Crystal Oscillator Si549 Data Sheet Ultra Low Jitter I2C Programmable XO (95 fs), 0.2 to 1500 MHz The Si549 Ultra Series™ oscillator utilizes Silicon Laboratories’ advanced 4th generation DSPLL® technology to provide an ultra-low jitter, low phase noise clock at any output frequency.
The device is user-programmed via simple I2C commands to provide any frequency from 0.2 to 1500 MHz with <1 ppb resolution and maintains exceptionally low jitter for both integer and fractional frequ
Si549 Features
* I2C programmable to any frequency from 0.2 to 1500 MHz with < 1 ppb resolution
* Ultra low jitter: 95 fs Typ RMS (12 kHz
* 20 MHz)
* Configure up to 4 pin-selectable startup frequencies
* I2C interface supports 100 kbps, 400 kbps, and 1 Mbps (Fast Mode Plus)
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