
Silicon Laboratories
Description
The Si21802 integrates two separate high-performance digital demodulators for the Japanese and South American terrestrial ISDB-T standard and for the DVB-T and DVB-C standards in a single compact package. Leveraging Silicon Labs proven digital demodulation architecture, the Si21802 achieves excellent reception performance for each media while significantly minimizing front-end design complexity, cost, and power dissipation. Connecting the Si21802 to a dual terrestrial/cable TV tuner results in a high-performance and cost optimized TV or STB front-end solution.
FEATUREs
- Pin-to-pin compatible with all dual demodulator family: Si216x2
and Si218x2
- API compatible with all single and all dual demodulators
- 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)
- Upgradeable with firmware patch download via fast SPI or I2C
(broadcast mode supported)
- Firmware control (embedded ROM/NVM)
- Dual independent differential IF input for T/C tuners
- GPIOs and muti-purpose ports (two per demodulator)
- Separate flexible TS interfaces with serial or parallel outputs
and cross-bar feature
- Fast lock times for all media
- Low power consumption
- Only two power supplies: 1.2 and 3.3 V
- 8x8 mm, QFN-68 pin package, Pb-free/RoHS compliant
APPLICATIONs
- Multi-receiver iDTV: on-board or in a NIM
- Advanced multimedia PVR STBs
- PC-TV accessories
- PVR, DVD, and Blu-Ray disc recorders