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GS1503BCVE2
GS1503B HD Embedded Audio CODEC Data Sheet Features Description • complies with SMPTE 292M and SMPTE 299M • single chip HD embedded audio solution • operates as an embedded audio multiplexer or demultiplexer • full support for 48kHz synchronous 24-bit audio • support for 8 channels of audio per device The GS1503B is a highly integrated, single chip solution for embedding/extracting digital audio streams into and out of high definition digital video signals. The GS1503B supports insertion/extraction of 24-bit synchronous audio data with a 48kHz sample rate. Audio signals with different sample rates may be converted to 48kHz by using audio sample rate converters before or after the GS1503B. • cascadable architecture supports up to 16 audio channels • integrated scrambler/descrambler and word alignment • CRC error detection and insertion • audio control packet insertion and extraction • arbitrary data packet insertion and extraction • 3.3V power supply with 5V tolerant I/O • 144 pin TQFP package Applications HD SDI Embedded Audio Each GS1503B supports all processing required for embedding/extracting up to eight digital audio channels in the horizontal ancillary data space of the video chroma channel. Two GS1503B’s can be cascaded for insertion/extraction of up to 16 audio channels with no external glue logic. The GS1503B supports embedding/extracting of audio control and arbitrary data packets in the horizontal ancillary data space of the video luma channel. It also supports line CRC detection and insertion. The GS1503B supports HD video standards at 74.25MHz and 74.25/1.001MHz rates. It has an on chip SMPTE compliant scrambler/de-scrambler, and integrated word alignment. Use the GS1503B with Gennum’s GS1545 or GS1522 for two chip HD SDI receive or transmit solutions. The GS1503B operates from a single 3.3V power supply with 5V tolerant I/O and is packaged in a 144 pin TQFP package. GS1503B HD Embedded Audio CODEC Data Sheet 37953 - 1 December 2009 www.gennum.com 1 of 90
GENNUM
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SEMTECH
Semtech Corporation
U.S.A
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