SI21662-D60-GM

Video Processing Overview

The Skyworks Solutions Inc. SI21662-D60-GM is a dual digital demodulator designed for DVB-S, DVB-S2, and DVB-S2X satellite broadcast standards. It integrates two independent demodulators within an 8x8 mm QFN-68 package. The device supports VCM, QPSK/8PSK, and 8/16/32APSK modulation schemes with roll-off factors from 0.05 to 0.35. Operating frequencies range from 4 MHz to 30 MHz for the input clock reference, with symbol rates up to 45 MSps. Power supplies are provided at 1.2 V (VDD_VCORE) and 3.3 V (VDD_VANA/VDD_VIO).

Video Processing Feature Summary

• Integrates two separate high-performance digital demodulators for DVB-S2/S and DVB-S2X standards.
• Features blind scanning algorithms and blind lock functions for signal acquisition.
• Includes dual DiSEqC 2.x interfaces and Unicable support for satellite dish control.
• Provides flexible transport stream outputs with cross-bar functionality compatible with MPEG decoders.

Video Processing Applications

• Multi-receiver iDTV systems, including on-board or NIM implementations.
• Advanced multimedia PVR set-top boxes (STBs).
• PC-TV accessories and hybrid receivers.
• PVR, DVD, and Blu-Ray disc recorders.

Video Processing Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and compliance status. Confirm that the component meets RoHS requirements for your target market. Ensure compatibility with existing firmware architectures, as API compatibility extends across single and dual demodulator families. Check for any process change notifications affecting production availability.

Video Processing Selection Notes

Select this component when designing front-end solutions requiring dual satellite reception capabilities. It is suitable for applications needing seamless connection to dual satellite tuners via zero-IF differential interfaces. Consider its low power dissipation and compact footprint for space-constrained designs. Verify that the supported modulation schemes align with the intended broadcast standards.

Video Processing Part Context

This part belongs to the Si21662 family of dual digital TV demodulators. It is pin-to-pin compatible with other devices in the Si216x2 and Si218x2 series. The architecture leverages Silicon Labs' proven digital demodulation technology, offering upgradeable firmware via SPI or I2C interfaces.

Video Processing Replacement Considerations

Pin-to-pin compatible replacements include other members of the Si216x2 and Si218x2 dual demodulator families. API compatibility allows for potential software-level substitution with single or other dual demodulators, subject to interface verification.

Video Processing FAQ

What modulation schemes does the SI21662-D60-GM support?

It supports QPSK and 8PSK for DVB-S2, as well as QPSK, 8PSK, 8APSK, 16APSK, and 32APSK for DVB-S2X.

How many power supplies are required for operation?

The device requires only two power supplies: 1.2 V for the core voltage and 3.3 V for analog and I/O voltages.