SI21642-B55-GMR

Video Processing Overview

The SI21642-B55-GMR is a dual universal demodulator manufactured by Skyworks Solutions, Inc. It supports DVB-C2, DVB-C, DVB-T2, DVB-T, DVB-S2, and DVB-S modulation formats. The device operates with supply voltages of 1.2 V and 3.3 V. It is housed in a QFN-68 package measuring 8x8 mm. The component is RoHS compliant and lead-free. This integrated circuit is designed for consumer video applications requiring high-performance signal processing.

Video Processing Feature Summary

• Dual universal demodulation capability for multiple digital video standards
• Integrated support for terrestrial, cable, and satellite broadcast formats
• Low-power operation suitable for battery-constrained systems

Video Processing Applications

• Consumer video receivers
• Digital television set-top boxes
• Satellite and cable TV tuners

Video Processing Procurement Notes

Verify the specific suffix B55 against official Skyworks documentation to confirm pinout and functional compatibility. Confirm current product status as obsolete or limited availability through authorized channels. Ensure the QFN-68 package dimensions match the target PCB footprint. Validate RoHS compliance requirements for the intended market. Cross-reference the manufacturer part number to avoid confusion with similar SI21642 variants.

Video Processing Selection Notes

Select this component when multi-standard demodulation is required within a single IC. Consider the 8x8 mm QFN-68 package constraints during layout design. Evaluate power consumption profiles against system thermal limits. Verify interface compatibility with the host processor. Assess whether the supported modulation formats align with regional broadcast standards.

Video Processing Part Context

This part belongs to the Skyworks SI21642 series of video demodulators. The series targets the consumer electronics market with integrated solutions for digital TV reception. The B55 suffix denotes specific configuration parameters within the family. The component integrates RF front-end functions with baseband demodulation.

Video Processing Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Skyworks Solutions technical support for validated alternatives. Review datasheet revisions for potential obsolescence notices.