GS1503BCVE2 View Datasheet(PDF) - Gennum -> Semtech
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GS1503BCVE2 Datasheet PDF : 90 Pages
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GS1503B HD Embedded Audio CODEC Data Sheet
Features
• 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
• 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
Description
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.
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
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