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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- The AD9547 provides synchronization for many systems, including synchronous optical networks (SONET/SDH). The AD9547 generates an output clock that is synchronized to one of two differential or four single-ended external input references. The digital PLL allows for reduction of input time jitter or phase noise associated with the external references. The AD9547 con-tinuously generates a clean (low jitter), valid output clock, even when all references fail, by means of digitally controlled loop and holdover circuitry.
- The AD9547 operates over an industrial temperature range of −40°C to +85°C.
- **Applications**
- * Network synchronization
- * Cleanup of reference clock jitter
- * 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 stations, controllers
- * Cable infrastructure
- * Data communications
- ### Features and Benefits
- Supports Stratum 2 stability in holdover mode
- Supports reference switchover with phase build-out
- Supports hitless reference switchover
- Automatic/manual holdover and reference switchover
- 2 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 kHz to 750 MHz
- |
- Reference validation and frequency monitoring (1 ppm)
- Programmable input reference switchover priority
- 30-bit programmable input reference divider
- 2 pairs of clock output pins, with each pair configurable as a single differential LVDS/LVPECL output or as 2 single-ended CMOS outputs
- Output frequencies up to 450 MHz
- See data sheet for additional features
- ---|---
AD9547 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | Recommended for New Designs |
| RoHS | RoHS Compliant |
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- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
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