{"product_id":"adafruit-si5351c-8-channel-tcxo-clock-generator-2-5khz-200mhz-ada6534","title":"Adafruit Si5351C 8 Channel TCXO Clock Generator - 2.5KHz-200MHz","description":"\u003cstyle type=\"text\/css\"\u003e.product-info-tutorial{margin-bottom:20px;}.product-tutorial-img-container{width:20%;}.product-tutorial-img-container img{margin:0;}\u003c\/style\u003e\u003c?xml version=\"1.0\" standalone=\"yes\"?\u003e\n\n\u003csection id=\"description\" class=\"prod-accordion-content prod-accordion-content-description mobile-text-wrapper\" aria-labelledby=\"tab-description-heading\"\u003e\n\t\t\t\u003cdiv class=\"tab-heading-row\"\u003e\n\t\t\t\t\u003ch2 id=\"tab-description-heading\"\u003e\n\t\t\t\t\t\t\t\t\t\t\tDescription\t\t\t\t\t\t\t\t\t\u003c\/h2\u003e\n\t\t\t\u003c\/div\u003e\n\t\t\t\u003cdiv id=\"tab-description-content\" class=\"panel-collapse collapse in\"\u003e\n\t\t\t\t\u003cp\u003eNever hunt around for another crystal again, with the Si5351C clock generator breakout from Adafruit! This chip has a precision \u003cstrong\u003etemperature compensated (TCXO) \u003c\/strong\u003e25MHz crystal reference and internal PLL and dividers so it can generate just about any frequency, from 2.5 KHz up to 200 MHz on CLK0-CLK5, and about 20 kHz to 50 Mhz on CLK6 and CLK7.\u003c\/p\u003e\n\u003cp\u003eThe Si5351C clock generator is an I2C controller clock generator with eight outputs. It uses the onboard precision clock - or an external clock - to drive multiple PLL's and clock dividers using I2C instructions. By setting up the PLL and dividers you can create precise and arbitrary frequencies. There are eight independent outputs, and each one can have a different frequency. Outputs are 3Vpp by default but can be configured to be lower via the VDDA\/B\/C\/D breakout pads. The outputs can be accessed either through a breadboard-friendly header or, for RF work, \u003ca href=\"https:\/\/www.pakronics.com.au\/products\/ADA1865\"\u003eoptional edge-launch SMA connector\u003c\/a\u003e for alternating outputs - so 4 total. The edge launch SMA connectors are sold separately.\u003c\/p\u003e\n\u003cp\u003eTo get you going fast, we spun up a custom-made PCB in the\u003ca title=\"STEMMA QT form factor\" href=\"https:\/\/www.adafruit.com\/?q=stemma%20qt%20sensor\"\u003e \u003cstrong\u003eSTEMMA QT\u003c\/strong\u003e form factor\u003c\/a\u003e, making it easy to interface with. The \u003ca href=\"https:\/\/learn.adafruit.com\/introducing-adafruit-stemma-qt\/what-is-stemma-qt\"\u003eSTEMMA QT connectors\u003c\/a\u003e on either side are compatible with the \u003ca href=\"https:\/\/www.sparkfun.com\/qwiic\"\u003eSparkFun Qwiic\u003c\/a\u003e I2C connectors. This allows you to make solderless connections between your development board and the Si5351 or to chain it with a wide range of other sensors and accessories using a \u003ca href=\"https:\/\/www.adafruit.com\/?q=stemma%20qt%20cable\"\u003e\u003cstrong\u003ecompatible cable\u003c\/strong\u003e\u003c\/a\u003e. Onboard 3.3V LDO and level shifters means its ready for use with 3V or 5V power and logic!\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.adafruit.com\/adafruit-si5351-clock-generator-breakout\"\u003eBest of all, we even have a great tutorial and library to get you started! Our code is designed for use with the Arduino-compatible microcontrollers and CircuitPython\/Python\u003c\/a\u003e using I2C support.\u003c\/p\u003e\t\t\t\u003c\/div\u003e\n\t\t\u003c\/section\u003e\u003cbr\u003e\u003cbr\u003e\u003csection id=\"technical-details\" class=\"prod-accordion-content prod-accordion-content-technical-details mobile-text-wrapper\" aria-labelledby=\"tab-technical-details-heading\"\u003e\n\t\t\t\u003cdiv class=\"tab-heading-row\"\u003e\n\t\t\t\t\u003ch2 id=\"tab-technical-details-heading\"\u003e\n\t\t\t\t\t\t\t\t\t\t\tTechnical Details\t\t\t\t\t\t\t\t\t\u003c\/h2\u003e\n\t\t\t\u003c\/div\u003e\n\t\t\t\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e\n\t\t\t\t\u003cdiv class=\"row\"\u003e\r\n    \u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/learn.adafruit.com\/adafruit-si5351-clock-generator-breakout\/downloads\"\u003eDatasheets, PCB CAD files, and Fritzing objects available in tutorial\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSi5351C specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenerates up to eight non-integer-related frequencies from 2.5 kHz to 200 MHz (20 kHz to 150 MHz on CLK6 \u0026amp; CLK7)\u003c\/li\u003e\n\u003cli\u003eI2C user definable configuration\u003c\/li\u003e\n\u003cli\u003eExact frequency synthesis at each output (0 ppm error)\u003c\/li\u003e\n\u003cli\u003eHighly linear VCXO\u003c\/li\u003e\n\u003cli\u003eOptional clock input (CLKIN)\u003c\/li\u003e\n\u003cli\u003eLow output period jitter: \u0026lt; 70 ps pp, typ\u003c\/li\u003e\n\u003cli\u003eConfigurable spread spectrum selectable at each output\u003c\/li\u003e\n\u003cli\u003eSupports static phase offset\u003c\/li\u003e\n\u003cli\u003eProgrammable rise\/fall time control\u003c\/li\u003e\n\u003cli\u003eGlitchless frequency changes\u003c\/li\u003e\n\u003cli\u003eExcellent PSRR eliminates external power supply filtering\u003c\/li\u003e\n\u003cli\u003eVery low power consumption\u003c\/li\u003e\n\u003cli\u003ePCIE Gen 1 compatibleSupports HCSL compatible swing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1XTW25000MAA TCXO \u003c\/strong\u003especifications (Frequency Stability)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTolerance After 2 times reflow, Ref. to nominal frequency: ±1.5 ppm\u003c\/li\u003e\n\u003cli\u003evs Temperature TA=-30~+85C, Ref. to frequency (TA=+25C): ±0.5 ppm\u003c\/li\u003e\n\u003cli\u003evs Supply Voltage VCC=+3.3V±5%: ±0.2 ppm\u003c\/li\u003e\n\u003cli\u003evs Load Variation LOAD_R\/\/C=(10kΩ\/\/10pF)±10%: ±0.2 ppm\u003c\/li\u003e\n\u003cli\u003evs Aging TA=Room ambient: ±1.0 ppm\/year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProduct Dimensions: 46.0mm x 17.7mm x 4.8mm \/ 1.8\" x 0.7\" x 0.2\" \u003c\/p\u003e\n\u003cp\u003eProduct Weight: 0.0g \/ 0.0oz \u003c\/p\u003e\n\u003c\/div\u003e\r\n  \u003c\/div\u003e\t\u003cul id=\"product-files\"\u003e\n\t\t\t\t\t\u003cli\u003e\n\u003ca href=\"https:\/\/cdn-shop.adafruit.com\/product-files\/6534\/P6534+-+Si5351-B.pdf\"\u003eDatasheet\u003c\/a\u003e\n\t\t\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003cimg src=\"\/\/www.adafruit.com\/includes\/templates\/shop2019\/images\/RoHS2_2011_65_EU.svg\" alt=\"RoHS 2 2011 65 EU Compliant\" width=\"145\" height=\"80\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003cimg src=\"\/\/www.adafruit.com\/includes\/templates\/shop2019\/images\/RoHS2_2015_863_EU.svg\" alt=\"RoHS 2 2015 863 EU Compliant\" width=\"145\" height=\"80\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\t\t\t\u003c\/div\u003e\n\t\t\u003c\/section\u003e\u003cbr\u003e\u003cbr\u003e\n","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":42885002526802,"sku":"ADA6534","price":27.34,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0383\/files\/6534-00.jpg?v=1794219303","url":"https:\/\/www.pakronics.com.au\/products\/adafruit-si5351c-8-channel-tcxo-clock-generator-2-5khz-200mhz-ada6534","provider":"Pakronics®","version":"1.0","type":"link"}