Document
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:
150m at 2.97Gb/s
250m at 1.485Gb/s
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
1 of 152
Application: Multi-input Video Monitoring System
3G-SDI Input 1
3G-SDI Input 2
GS2971A
10-bit
HV F/PCLK
GS2971A
10-bit
HV F/PCLK
Video Memory
Video Formatter
H V/DE/PCLK
DVI/ VGA DAC
Video Output
3G-SDI Input n
GS2971A
10-bit
HV F/PCLK
Analog Sync
Sync Seperator
AES BUS
GS4911
Audio Select
HV F/PCLK
Audio Clocks
On Screen Display
Generator
Audio Processor
AE S OUT 1/2 AE S OUT 3/4 AE S OUT 5/6 AE S OUT 7/8
Application: Multi-format Audio De-embedder Module
SD/HD/3G-SDI
10-bit
P CLK
GS2962
SD/HD/3G-SDI
GS2971A
AUDIO 1/ 2 AUDIO 3/ 4 AUDIO 5/ 6 AUDIO 7/ 8 Audio Clocks
Switch
Logic &
Drivers
DAC
AES Audio Outputs
Analog Audio Outputs
Application: Multi-format Digital VTR/Video Server
V ideo Output
SD/HD/3G-SDI
GS2971A
10-bit
HV F /P CLK
AUDIO 1/ 2 AUDIO 3/ 4 AUDIO 5/ 6 AUDIO 7/ 8 Audio Clocks
Video Processor
Audio Processor
Storage : Tape/HDD/Solid State
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