SI2168-B40-GM

Video Processing Overview

The Si2168-B40-GM is a digital demodulator integrating DVB-T2, DVB-T, and DVB-C standards into a single CMOS mixed-signal die. It operates with two power supplies: VDD_VCORE (1.14 to 1.30 V) and VDD_VANA/VDD_VIO (3.00 to 3.60 V). The device supports an input clock reference of 4 to 30 MHz and accepts standard IF or low-IF inputs. Total power consumption ranges from 180 mW for DVB-C to 420 mW for high-load DVB-T2 scenarios. It utilizes a 7x7 mm QFN-48 package.

Video Processing Feature Summary

• Integrates DVB-T2, T2-Lite, DVB-T, and DVB-C demodulators with LDPC/BCH and RS FEC decoding.
• Supports up to 255 PLPs and outputs data plus common PLP on a single transport stream.
• Features blind scanning algorithms for DVB-C and autonomous signal acquisition including L1 signaling parsing.
• Provides flexible transport stream interfaces compatible with MPEG decoders and conditional access modules.

Video Processing Applications

• Integrated Digital Television (iDTV) front-ends
• Network Interface Modules (NIM)
• Advanced Set-Top Boxes (STB)
• PC-TV accessories
• Personal Video Recorders (PVR), DVD, and Blu-Ray disc recorders

Video Processing Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and reel specifications. Confirm RoHS compliance status and lead times directly with authorized distributors or Skyworks Solutions Inc., as availability varies by region and production cycle.

Video Processing Selection Notes

Select this component for designs requiring support for legacy cable (DVB-C) alongside modern terrestrial standards (DVB-T/T2). Ensure the host system provides appropriate I2C master/host interfaces and GPIOs for AGC control. Verify that the tuner interface matches the required IF or low-IF input specifications.

Video Processing Part Context

This part belongs to the Si2168 family of HDTV MPEG System-on-Chip devices. It offers pin-to-pin and software compatibility with other variants in the series, such as the Si2164, Si2162, Si2160, Si2166, Si2167, and Si2169B, facilitating design upgrades within the same ecosystem.

Video Processing Replacement Considerations

Compatible replacements include Si2168-B40-GMR and other Si2168 family members like Si2167B or Si2169B, provided they meet the specific DVB-T2/T/C requirements and interface constraints of the target application.

Video Processing FAQ

Does the Si2168-B40-GM support MISO transmission modes?

Yes, the integrated DVB-T2 demodulator supports both SISO and MISO modes as specified by the DVB-T2 standard.

What are the supported bandwidth options for the COFDM demodulator?

The device supports bandwidths of 1.7, 5, 6, 7, or 8 MHz, along with extended bandwidth configurations.