GS2984-INTE3

Video Processing Overview

The GS2984-INTE3 is a high-speed BiCMOS integrated circuit designed as a 3G-SDI adaptive cable equalizer. It supports SMPTE 424M, SMPTE 292M, and SMPTE 259M standards, optimized for operation at 270Mb/s, 1.485Gb/s, and 2.97Gb/s. The device features automatic cable equalization and DC restoration to compensate for pathological test patterns. It operates within a temperature range of -40°C to +85°C using 2.5V or 3.3V supplies. Packaged in a 16-pin QFN (4mm x 4mm), it consumes approximately 195mW. It is footprint compatible with the GS2974.

Video Processing Feature Summary

• Automatic cable equalization supporting extended transmission distances up to 140m at 3Gb/s
• Integrated DC restoration stage to maintain signal integrity for SMPTE pathological test patterns
• Carrier detect functionality allowing direct connection to mute pins for loss-of-signal protection
• Voltage programmable threshold via SQ_ADJ pin to distinguish valid signals from input noise

Video Processing Applications

• Restoring signals received over 75-ohm coaxial cable in professional video infrastructure
• Extending SDI signal reach in broadcast and post-production environments
• Equalizing multi-standard SDI signals ranging from 143Mb/s to 2.97Gb/s

Video Processing Procurement Notes

Verify component authenticity through authorized Semtech distributors due to potential counterfeit risks. Confirm RoHS compliance status and lead-free packaging specifications prior to integration. Check for end-of-life notifications or discontinuation notices, as availability may be limited. Ensure ESD handling protocols are followed during storage and assembly. Validate that the QFN-16 package dimensions match the target PCB footprint requirements.

Video Processing Selection Notes

Select this component when designing systems requiring automatic equalization for long-reach 3G-SDI transmission without manual adjustment. It serves as a drop-in replacement for the GS2974, simplifying legacy upgrades. Consider its low output jitter performance for high-fidelity video applications. Evaluate power consumption constraints against the typical 195mW dissipation. Ensure compatibility with 2.5V or 3.3V CML logic levels for downstream interfacing.

Video Processing Part Context

The GS2984 belongs to Semtech's family of high-speed video interface solutions, specifically targeting SDI signal conditioning. It complements other components like the GS2986 reclocker and GS2988 driver in complete transmission chains. Designed for robustness in professional AV environments, it addresses signal degradation issues inherent in long coaxial runs. Its BiCMOS technology enables high-speed performance with low power consumption.

Video Processing Replacement Considerations

The GS2984 is explicitly noted as footprint and drop-in compatible with existing GS2974 designs, requiring no additional application changes. For new designs, Semtech recommends using the GS2994 instead. Verify pinout compatibility if substituting into GS2974-based boards.