Cypress CY2941x可编PLL晶振15MHz-21GHz解决方案.docx

Cypress CY2941x 可编 PLL 晶振 15MHz -2. 1GHz 解决方案时间: 2016-10-14 09:45:05 来源:中电网 Cypress 公司的 CY2941x/CY2942x 系列是可编基于 PLL 的晶体振荡器解决方案, 具有灵活的输出频率从 15MH z到 z 和极好的抖动性能, 工作电压 -, 主要用在通信应用如 OTN,/SDH, xDSL, GbE, 网络, 无线基础设备以及测试和仪器仪表于高速数据转换器. 本文介绍了 CY2941x/CY2942x 系列主要特性, 逻辑框图, 以及评估板 CY3676 框图, 电路图和材料清单. The CY2941x/CY2942x isa programmable PLL-based crystaloscillator solution with flexible output frequency options. It is fieldor factory-programmable for any output frequency between15 MHz and GHz. Other frequency options can be configuredwith the I2C advanced design technology, itprovides excellent jitter performance across the entire outputfrequency range, working reliably at supply voltages from Vto V for ambient temperatures from – 40 ℃ to +105 ℃.Thismakes it ideally suited munications applications (forexample,OTN,/SDH,xDSL,working,wirelessinfrastructure), test and instrumentation applications, andhigh-speed data , the VCXO functionenables use of the CY2941x/CY2942x series in applicationsrequiring a clock source with voltage control, and in discreteclocking solutions for synchronous timing applications CY2941x/CY2942x 系列主要特性: ■ Low-noise PLL for integrated crystal applications ■ Differential Clock Output: re-configurable through I2C ■ Output frequency support from 15 MHz to GHz ■ Fractional N PLL with fully integrated VCO