GS2970A Datasheet, PDF (1/150 Pages) Gennum Corporation – Integrated audio clock generator

GS2970A
3Gb/s, HD, SD SDI Receiver Complete with SMPTE Audio and Video Processing
Key Features
• Operation at 2.970Gb/s, 2.970/1.001Gb/s, 1.485Gb/s,
1.485/1.001Gb/s and 270Mb/s
• Supports SMPTE 425M (Level A and Level B), SMPTE
424M, SMPTE 292, SMPTE 259M-C and DVB-ASI
• Integrated Reclocker
• Integrated low phase noise VCO
• Serial digital reclocked, or non-reclocked loop-through
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 50/59.94/60 4:2:2 10-bit inputs
• 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 350mW)
• 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
EQ
GS2984/
GS2974
GS2970A
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
EQ
GS2984/
GS2974
AES - OUT
GS2970A
AUDIO 1/2
AUDIO 3/4
AUDIO 5/6
AUDIO 7/8
Audio Clocks
Audio
Selector
20-bit
HV F/PCLK
Video
Processor
C TR L/TIMECODE
DAC
Speakers
DAC
Display
Application: Multi-format Downconverter
SD/HD/3G-SDI
EQ
GS2984/
GS2974
Analog
Sync
Sync
Seperator
10-bit SD Bypass
Memory
GS2970A
20-bit
HV F /P CLK
Video
Downconverter &
Aspect Ratio
Conversion
20-bit
HD/SD
Serializer
(GS1582,
GS1672)
SD-SDI
GS4901
AES 1/2
AES 3/4
AES 5/6
AES 7/8
Audio
Processing &
Delay
Audio Clocks
HV F / P CLK
AES 1/2
AES 3/4
AES 5/6
AES 7/8
Application: Multi-input Video Monitoring System
3G-SDI
Input 1
3G-SDI
Input 2
EQ
GS2984/
GS2974
EQ
GS2984/
GS2974
20-bit
GS2970A
HV F / P CLK
20-bit
GS2970A
HV F / P CLK
Video
Memory
Video
Formatter
HV /DE /P CLK
DVI/
VGA DAC
Video
Output
3G-SDI
Input n
EQ
GS2984/
GS2974
Analog
Sync
Sync
Seperator
20-bit
GS2970A
HV F / P CLK
AES BUS
GS4911
Audio
Select
HV F /P CLK
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
GS2970A 3Gb/s, HD, SD SDI Receiver
Data Sheet
54244 - 2
September 2012
www.semtech.com
1 of 150