CJMCU-5351B Si5351B Clock Signal Generator Module I2C Programmable 27MHz +VCXO

Features 1 Generates up to 8 non integer related frequencies from 8 kHz to 160 MHz2 I2C user definable configuration3 Exact frequency synthesis at each output 0 ppm error 4 Highly linear VCXO5 Optional clock input CLKIN 6 Low output period jitter 100 ps pp7 Configurable spread spectrum selectable8 Operates from a low cost fixed frequency crystal 25 or 27 MHz9 Supports static phase offset10 Programmable rise fall time control11 Glitchless frequency changes12 Separate voltage supply pins Core VDD 2 5 or 3 3 V Output VDDO 1 8 2 5 or 3 3 V13 Excellent PSRR eliminates external power supply filtering14 Very low power consumption15 Adjustable output output delay16 Available in 3 packages types 10 MSOP 3 outputs 24 QSOP 8 outputs 20 QFN 4x4 mm 8 outputs17 PCIE Gen 1 compliant18 Supports HCSL compatible swing Description The Si5351 is an I2C configurable clock generator that is ideally suited for replacing crystals crystal oscillators VCXOs phase locked loops PLLs and fanout buffers in cost sensitive applications Based on a PLL VCXO high resolution MultiSynth fractional divider architecture the Si5351 can generate any frequency up to 160 MHz on each of its outputs with 0 ppm error Three versions of the Si5351 are available to meet a wide variety of applications The Si5351A generates up to 8 free running clocks using an internal oscillator for replacing crystals and crystal oscillators The Si5351B adds an internal VCXO and provides