DVB-T/C/ISDB-T demodulator. QFN-48

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The Si2180 integrates digital demodulators for the Japanese and South American terrestrial ISDB-T standard and for the DVB-T and DVB-C standards in a single advanced CMOS die. Leveraging Silicon Labs' proven digital demodulation architecture, the Si2180 achieves excellent reception performance for each media while significantly minimizing front-end design complexity, cost, and power dissipation. Connecting the Si2180 to a hybrid TV tuner or digital only tuner, such as Silicon Labs' Si217x/5x/4x devices, results in a high-performance and cost optimized TV or STB front-end solution.

Leveraging significant field experience in DVB terrestrial demodulation (DVB-T), Silicon Labs’ internally-developed ISDB-T demodulator can accept standard or low-IF inputs (differential) and complies with the Brazilian SBTVD-T terrestrial specifications (ABNT NBR 16.601 and 15.604). Main features include fast channel scan, very short lock times, state of the art CCI performance, partial reception, and auxiliary channels decoding. DVB-T and DVB-C demodulators are next-generation enhanced versions of proven and broadly-used Silicon Labs’ Si2169/68/67/66/64/62/60 devices. The cable reception allows demodulating widely deployed DVB-C legacy standard (ITU J.83 Annex A/C) and the Americas' cable standard (ITU J.83 Annex B).

The Si2180 offers an on-chip blind scan algorithm for DVB-C standard, as well as a blind lock function. The Si2180 programmable transport stream output interface provides a flexible range of output modes and is fully compatible with all MPEG decoders or conditional access modules to support any customer application.

Symmetry Electronics is an authorized Silicon Labs distributor.


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Pin-to-pin compatible with all Si216x/8x single demods family
API compatible with all single and dual demods families
ISDB-T (ABNT NBR 16.601 and 15.604)
6, 7, and 8 MHz bandwidth
Partial reception supported (reception of only one OFDM segment at the center of a group of segments)
AC1 and AC2 decoding
DVB-T (ETSI EN 300 744)
OFDM demodulator and enhanced FEC decoder
NorDig unified 2.5 and D-Book 8 compliant
DVB-C (ETSI EN 300 429) and ITU-T J.83 Annex A/B/C
QAM demodulator and FEC decoder
1 to 7.2 MSymbol/s
I2C serial bus interfaces (master and host)
Firmware control (embedded ROM/NVM)
Upgradeable with patch download via I2C or fast SPI
Flexible TS output interface (serial, parallel, and slave)
Fast lock times for all media
Low power consumption
Two power supplies: 1.2 and 3.3 V
7x7 mm, QFN-48 pin package, Pb-free/RoHS compliant

Previously Viewed Products

DVB-T/C/ISDB-T demodulator. QFN-48
Part #: Si2180-A55-GMR
DVB-T/C/ISDB-T demodulator. QFN-48