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MFG:ADI D/C:09
Part Number: ADV7181B
MFG: ADI
D/C: 09
Description: The ADV7181B integrated video decoder automatically detects and converts a standard analog baseband te...
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ADV7181B
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DataSheet
General Description
ADV7181B General Description
The ADV7181B integrated video decoder automatically detects and converts a standard analog baseband television signal compatible with worldwide standards NTSC, PAL, and SECAM into 4:2:2 component video data compatible with 16-bit/8-bit CCIR601/CCIR656.
The advanced, highly flexible digital output interface enables performance video decoding and conversion in line-locked clock-based systems. This makes the device ideally suited for a broad range of applications with diverse analog video characteristics, including tape-based sources, broadcast sources, security/surveillance cameras, and professional systems.
The six analog input channels accept standard composite, S-Video, and YPrPb video signals in an extensive number of combinations. AGC and clamp restore circuitry allow an input video signal peak-to-peak range of 0.5 V to 1.6 V. Alternatively, these can be bypassed for manual settings.
ADV7181B Maximum Ratings
AVDD to AGND...........................4 V
DVDD to DGND......................... 2.2 V
PVDD to AGND......................... 2.2 V
DVDDIO to DGND......................... 4V
DVDDIO to AVDD.................−0.3 V to +0.3 V
PVDD to DVDD.................. 0.3 V to +0.3 V
DVDDIO to PVDD.................. −0.3 V to +2 V
DVDDIO to DVDD.................. −0.3 V to +2 V
AVDD to PVDD....................−0.3 V to +2 V
AVDD to DVDD................... −0.3 V to +2 V
Digital Inputs Voltage to DGND.. −0.3 V to DVDDIO + 0.3 V
Digital Output Voltage to DGND..−0.3 V to DVDDIO + 0.3 V
Analog Inputs to AGND.... AGND − 0.3 V to AVDD + 0.3 V
Maximum Junction Temperature (TJ max)........125°C
Storage Temperature Range ........−65°C to +150°C
Infrared Reflow Soldering (20 sec)............260°C
DVDD to DGND......................... 2.2 V
PVDD to AGND......................... 2.2 V
DVDDIO to DGND......................... 4V
DVDDIO to AVDD.................−0.3 V to +0.3 V
PVDD to DVDD.................. 0.3 V to +0.3 V
DVDDIO to PVDD.................. −0.3 V to +2 V
DVDDIO to DVDD.................. −0.3 V to +2 V
AVDD to PVDD....................−0.3 V to +2 V
AVDD to DVDD................... −0.3 V to +2 V
Digital Inputs Voltage to DGND.. −0.3 V to DVDDIO + 0.3 V
Digital Output Voltage to DGND..−0.3 V to DVDDIO + 0.3 V
Analog Inputs to AGND.... AGND − 0.3 V to AVDD + 0.3 V
Maximum Junction Temperature (TJ max)........125°C
Storage Temperature Range ........−65°C to +150°C
Infrared Reflow Soldering (20 sec)............260°C
ADV7181B Features
·Multiformat video decoder supports NTSC-(M, J, 4.43),
·PAL-(B/D/G/H/I/M/N), SECAM
·Integrates three 54 MHz, 9-bit ADCs
·Clocked from a single 27 MHz crystal
·Line-locked clock-compatible (LLC)
·Adaptive Digital Line Length Tracking (ADLLT™), signal processing, and enhanced FIFO management give mini-TBC functionality
·5-line adaptive comb filters
·Proprietary architecture for locking to weak, noisy, and unstable video sources such as VCRs and tuners
·Subcarrier frequency lock and status information output
·Integrated AGC with adaptive peak white mode
·Macrovision® copy protection detection
·Chroma transient improvement (CTI)
·Digital noise reduction (DNR)
·Multiple programmable analog input formats
·Composite video (CVBS)
·S-Video (Y/C)
·YPrPb component (VESA, MII, SMPTE, and BetaCam)
·6 analog video input channels
·Automatic NTSC/PAL/SECAM identification
·Digital output formats (8-bit or16-bit)
·ITU-R BT.656 YCrCb 4:2:2 output + HS, VS, and FIELD
·0.5 V to 1.6 V analog signal input range
·Differential gain: 0.6% typ
·Differential phase: 0.6° typ
·PAL-(B/D/G/H/I/M/N), SECAM
·Integrates three 54 MHz, 9-bit ADCs
·Clocked from a single 27 MHz crystal
·Line-locked clock-compatible (LLC)
·Adaptive Digital Line Length Tracking (ADLLT™), signal processing, and enhanced FIFO management give mini-TBC functionality
·5-line adaptive comb filters
·Proprietary architecture for locking to weak, noisy, and unstable video sources such as VCRs and tuners
·Subcarrier frequency lock and status information output
·Integrated AGC with adaptive peak white mode
·Macrovision® copy protection detection
·Chroma transient improvement (CTI)
·Digital noise reduction (DNR)
·Multiple programmable analog input formats
·Composite video (CVBS)
·S-Video (Y/C)
·YPrPb component (VESA, MII, SMPTE, and BetaCam)
·6 analog video input channels
·Automatic NTSC/PAL/SECAM identification
·Digital output formats (8-bit or16-bit)
·ITU-R BT.656 YCrCb 4:2:2 output + HS, VS, and FIELD
·0.5 V to 1.6 V analog signal input range
·Differential gain: 0.6% typ
·Differential phase: 0.6° typ
ADV7181B Typical Application
·DVD recorders
·PC video
·HDD-based PVRs/DVDRs
·LCD TVs
·Set-top boxes
·Security systems
·Digital televisions
·Portable video devices
·Automotive entertainment
·AVR receivers
·PC video
·HDD-based PVRs/DVDRs
·LCD TVs
·Set-top boxes
·Security systems
·Digital televisions
·Portable video devices
·Automotive entertainment
·AVR receivers
ADV7181B Connection Diagram
ADV7181B
PDF/DataSheet Download
- Datasheet: ADV7181B
- File Size: 893952 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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