Overview
Description
The M685S02 is a dual SAW, selectable frequency VCSO frequency source for low-jitter clock generation. Two integrated SAW (surface acoustic wave) delay lines serve as high-Q resonators and the low noise SiGe VCSO IC provides a low noise floor and low 1/f phase noise. The combination of the SAW delays lines and the custom IC result in very low phase noise and jitter performance. The M685S02 is available in frequencies from 500 to 750 MHz with a guaranteed minimum pull-range of ±120 ppm. Industry-standard Kvco (VCO Gain) provides full replacement compatibility for most designs. The M685S02 is well suited for phase-locked loop applications, clock and data recovery circuits and other timing applications in telecom and optical fiber networking systems.
Features
- Two integrated SAW devices with selectable output frequency
- supports multi-rate optical interfaces
- Low phase jitter 0.2ps rms typical for the M685S02 (50kHz to 80MHz) - Design Target
- Output frequencies from 500 to 750 MHz (Specify center frequencies at time of order)
- Industry-standard Kvco for full compatibility
- Differential 3.3V LVPECL output
- Single 3.3V power supply
- Small 5 x 7.5mm SMT (surface mount) package
- Pb-free / Compliant to EC RoHS Directive (RoHS 6/6)
Comparison
Applications
Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
| CLCC | 6 | I | Yes | Tube | ||
| CLCC | 6 | I | Yes | Reel |
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