GS3281-INTE3

Video Processing Overview

The GS3281-INTE3 is a 3G-SDI reclocking cable driver manufactured by Semtech. It operates on a single 1.8 V power supply with a maximum current consumption of 143 mA. The device features three channels and utilizes a QFN-40 package for surface mount installation. It supports data rates up to 2.97 Gb/s, accommodating standard SMPTE video formats. The operational temperature range spans from -40°C to +85°C. The component includes an SPI interface for configuration and monitoring.

Video Processing Feature Summary

• Integrated clock recovery and retiming capabilities for signal integrity restoration
• Supports multi-rate operation across various SDI standards
• Includes trace equalization to compensate for PCB insertion loss
• Features integrated output termination for simplified circuit design

Video Processing Applications

• 3G-SDI signal distribution systems
• Professional video infrastructure equipment
• Broadcasting signal processing units

Video Processing Procurement Notes

Verify the specific suffix INTE3 against the manufacturer's official documentation to confirm the tape and reel packaging quantity and RoHS compliance status. Ensure the ordering code matches the exact pinout and electrical specifications required for the target application design. Cross-reference the datasheet revision date to validate feature availability.

Video Processing Selection Notes

Select this component when a single-channel or multi-channel reclocking solution is required for 3G-SDI applications. Consider the QFN-40 package constraints for PCB layout. Verify that the 1.8V supply voltage aligns with the system power architecture. Evaluate the thermal performance within the specified operating temperature range for the intended enclosure environment.

Video Processing Part Context

The GS3281 belongs to Semtech’s line of cable drivers designed for high-definition video transmission. It serves as a specialized video IC for re-timing signals over coaxial cables. This series addresses signal degradation in professional broadcast environments by providing robust clock recovery and data retiming functions.

Video Processing Replacement Considerations

The GS3281 shares pin compatibility with other models in the family, such as the GS12181, GS12281, and GS12081. However, these alternatives support higher data rates up to 12G UHD-SDI. Verify functional equivalence regarding supported bitrates and interface requirements before substitution.