时钟同步

ADI公司同步器设计用于有线网络应用,提供最大化系统正常运行时间所需的时钟冗余功能。我们的技术支持通用标准的时钟同步,包括:

  • GPS接收器所提供的1秒脉冲(PPS)输出信号。GPS信号普遍可用并利用非常稳定的原子时钟作为其时基,但通常较为嘈杂。

  • 系统依靠IEEE1588时序协议建立有线网络中的同步通信,包括同步以太网和同步数字体系(SDH)至光传输网络(OTN)映射/解映射。IEEE1588协议已成为在整个计算机网络和局域网(LAN)中同步系统的首选方法。
产品选型表

Clock Synchronization

  按住Shift键进行二次排序
SortOrderPart## OutputsClock FunctionInterfaceOn-Chip VCO or DCOOutput Frequency
(max)
(Hz)
Output LogicPower
(typ)
(W)
Ref Clock
(max)
(Hz)
Ref Clock
(min)
(Hz)
Clock FeaturesUS Price 1000 to 4999
($ US)
1AD9545 5 Synchronization I²C, SPI DCO; PLL on Chip 500M CML, HCSL, LVDS 560m 750M 1 1PPS, Clean Up, Dual Channel, Holdover, IEEE1588, JESD, Switchover, Synchronization $14.96
2AD9554-1 4 Synchronization I²C, Serial DCO; PLL on Chip 941M CMOS, HCSL, LVDS, LVPECL 920m 1G 2k Clean Up, Holdover, Quad Channel, Switchover $20.81
3AD9554 8 Synchronization I²C, Serial DCO; PLL on Chip 941M CMOS, HCSL, LVDS, LVPECL 940m 1G 2k Clean Up, Holdover, Quad Channel, Switchover $21.33
4AD9559 4 Synchronization Serial Yes 1.25G HSTL, LVDS 710m 1.25G 2k Clean Up, Dual Channel, Holdover, Switchover $19.26
5AD9558 6 Synchronization Serial Yes 1.25G HSTL, LVDS 740m 1.25G 2k Clean Up, Holdover, Switchover $16.25
6AD9557 2 Synchronization Serial Yes 1.25G HSTL, LVDS 550m 1.25G 2k Clean Up, Holdover, Switchover $15.00
7AD9547 2 Synchronization Serial Yes 450M LVDS, LVPE 800m 750M 1k Clean Up, Holdover, Switchover, Synchronization $13.67
8AD9548 8 Synchronization Serial Yes 450M CMOS, LVDS, LVPECL 800m 750M 1 1PPS, Clean Up, Holdover, IEEE1588, Switchover, Synchronization $23.27
9AD9549 2 Synchronization Serial Yes 750M CMOS, HSTL 1 750M 8k Clean Up, Holdover, Switchover, Synchronization $13.82