GS2971A Datasheet, PDF (1/152 Pages) Gennum Corporation – Integrated audio clock generator

GS2971A
3Gb/s, HD, SD SDI Receiver, with Integrated Adaptive Cable Equalizer complete
with SMPTE Audio and Video Processing
Key Features
• Operation at 2.97Gb/s, 2.97/1.001Gb/s, 1.485Gb/s,
1.485/1.001Gb/s and 270Mb/s
• Supports SMPTE 425M (Level A and Level B), SMPTE
424M, SMPTE 292M, SMPTE 259M-C and DVB-ASI
• Integrated adaptive cable equalizer
• Typical equalized length of Belden 1694A cable:
Š 150m at 2.97Gb/s
Š 250m at 1.485Gb/s
Š 480m at 270Mb/s
• Integrated Reclocker with low phase noise, integrated
VCO
• Serial digital reclocked, or non-reclocked output
• Integrated audio de-embedder for 8 channels of 48kHz
audio
• Integrated audio clock generator
• Ancillary data extraction
• Optional conversion from SMPTE 425M Level B to
Level A for 1080p 50/60 4:2:2 10-bit
• Parallel data bus selectable as either 20-bit or 10-bit
• Comprehensive error detection and correction
features
• Output H, V, F or CEA 861 Timing Signals
• 1.2V digital core power supply, 1.2V and 3.3V analog
power supplies, and selectable 1.8V or 3.3V I/O power
supply
• GSPI Host Interface
• -20ºC to +85ºC operating temperature range
• Low power operation (typically 545mW)
• Small 11mm x 11mm 100-ball BGA package
• Pb-free and RoHS compliant
Applications
Application: Single Link (3G-SDI)
to Dual Link (HD-SDI) Converter
3G-SDI
GS2971A
10-bit
HV F/PCLK
GS2962/72
HV F/PCLK
10-bit
GS2962/72
HD-SDI
Link A
HD-SDI
Link B
3G-SDI
Application: 1080p50/60 Monitor
AES - OUT
GS2971A
AUDIO 1/2
AUDIO 3/4
AUDIO 5/6
AUDIO 7/8
Audio Clocks
Audio
Selector
10-bit
HV F/PCLK
Video
Processor
C TR L/TIMECODE
DAC
Speakers
DAC
Display
Application: Multi-format Downconverter
10-bit bit SD Bypass
Memory
SD/HD/3G-SDI
GS2971A
10-bit
HV F/PCLK
Video
Downconverter &
Aspect Ratio
Conversion
Analog
Sync
Sync
Seperator
AE S 1/2
AE S 3/4
AE S 5/6
AE S 7/8
Audio
Processing
& Delay
GS4901
Audio Clocks
HV F/PCLK
AE S 1/2
AE S 3/4
AE S 5/6
AE S 7/8
10-bit
HD/SD
Serializer
(GS1582,
GS1672)
SD-SDI
GS2971A 3Gb/s, HD, SD SDI Receiver
Data Sheet
54311 - 2
September 2012
www.semtech.com
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