Shenzhen Koben Electronics Co., Ltd.
Shenzhen Koben Electronics Co., Ltd.
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AD9548BCPZ Quad and Octal Input Network Clock Generator or Synchronizer IC
The AD9548 provides synchronization for many systems, including synchronous optical networks (SONET/SDH). The AD9548 generates an output clock synchronized to one of up to four differential or eight single-ended external input references. The digital PLL allows for reduction of input time jitter or phase noise associated with the external references. The AD9548 continuously generates a clean (low jitter), valid output clock even when all references have failed by means of a digitally controlled loop and holdover circuitry. The AD9548 operates over an industrial temperature range of −40°C to +85°C
APPLICATIONS
Network synchronization
Cleanup of reference clock jitter
GPS 1 pulse per second synchronization
SONET/SDH clocks up to OC-192, including FEC Stratum 2 holdover, jitter cleanup, and phase transient control
Stratum 3E and Stratum 3 reference clocks
Wireless base station controllers
Cable infrastructure
Data communications
| Main Purpose | Ethernet, SONET/SDH, Stratum | |
|---|---|---|
| Input | CMOS, LVDS, LVPECL | |
| Output | CMOS, LVDS, LVPECL | |
| Number of Circuits | 1 | |
| Ratio - Input:Output | 1:1 | |
| Differential - Input:Output | Yes/Yes | |
| Frequency - Max | 725MHz | |
| Voltage - Supply | 1.71 V ~ 3.465 V | |
| Operating Temperature | -40°C ~ 85°C | |
| Mounting Type | Surface Mount | |
| Package / Case | 88-VFQFN Exposed Pad, CSP | |
| Supplier Device Package | 88-LFCSP-VQ (12x12) | |
| Base Part Number |
AD9548 |
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