Datasheet Details
| Part number | AD9548 |
|---|---|
| Manufacturer | Analog Devices |
| File Size | 2.13 MB |
| Description | Quad/Octal Input Network Clock Generator/Synchronizer |
| Datasheet |
 AD9548 Datasheet
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General Description
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.
Key Features
- Supports Stratum 2 stability in holdover mode.
- Supports reference switchover with phase build-out.
- Supports hitless reference switchover.
- Auto/manual holdover and reference switchover.
- 4 pairs of reference input pins with each pair configurable as a single differential input or as 2 independent single-ended inputs.
- Input reference frequencies from 1 Hz to 750 MHz.
- Reference validation and frequency monitoring (1 ppm).
- Programmable input reference switchov.