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MFG:AD  Package Cooled:QFP  D/C:05+  

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Part Number: ADV7172

 

MFG: AD

Package Cooled: QFP

D/C: 05+

Description: The ADV7172/ADV7173 is an integrated Digital Video Encoder that converts digital CCIR-601 4:2:2 8-bit ...


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ADV7172 General Description


The ADV7172/ADV7173 is an integrated Digital Video Encoder that converts digital CCIR-601 4:2:2 8-bit component video data into a standard analog baseband television signal compatible with world wide standards.

There are six DACs available on the ADV7172/ADV7173. In addition to the Composite output signal there is the facility to output S-VHS Y/C Video, RGB Video and YUV Video.

The on-board SSAF (Super Sub-Alias Filter), with extended luminance frequency response and sharp stopband attenuation, enables studio quality video playback on modern TVs, giving optimal horizontal line resolution. An additional sharpness control feature allows extra luminance boost on the frequency response.

An advanced power management circuit enables optimal control of power consumption in both normal operating modes and power down or sleep modes. A PC'98-Compliant autodetect feature has been added to allow the user to determine whether or not the DACs are correctly terminated. If not, the ADV7172/ ADV7173 flags that they are not connected through the Status bit and provides the option of automatically powering them down, thereby reducing power consumption.

ADV7172 Maximum Ratings

VAA to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    7 V
Voltage on Any Digital Input Pin .   GND 0.5 V to VAA + 0.5 V
Storage Temperature (TS) . . . . . . . . . . . . . .65°C to +150°C
Junction Temperature (TJ) . . . . . . . . . . . . . . . . . . . . .  +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . +260°C
Analog Outputs to GND2Ê . . . . . . . . . . .     GND 0.5 V to VAA

ADV7172 Features

`ITU-R1 BT601/656 YCrCb to PAL/NTSC Video Encoder
`Six High Quality 10-Bit Video DACs
`SSAF™ (Super Sub-Alias Filter)
`Advanced Power Management Features
`PC'98-Compliant (TV Detect with Polling and Auto
`Shutdown to Save On Power Consumption)
`Low Power DAC Mode
`Individual DAC ON/OFF Control
`Variable DAC Output Current (5 mA36 mA)
`Ultralow Sleep Mode Current
`Hue, Brightness, Contrast and Saturation Controls
`CGMS (Copy Generation Management System)
`WSS (Wide Screen Signalling)
`NTSC-M, PAL-M/N, PAL-B/D/G/H/I, PAL-60
`YUV Betacam, MII and SMPTE Output Levels
`Single 27 MHz Clock Required (32 Oversampling)
`80 dB Video SNR
`32-Bit Direct Digital Synthesizer for Color Subcarrier
`Multistandard Video Output Support:
`Composite (CVBS)
`Component S-Video (Y/C)
`Component YUV
`EuroSCART RGB
`Component YUV + CHROMA + LUMA + CVBS
`EuroSCART Output RGB + CHROMA + LUMA + CVBS
`Programmable Clamping Output Signal
`Advanced Programmable Power-On Reset Sequencing
`Video Input Data Port Supports:
`CCIR-656 4:2:2 8-Bit Parallel Input Format
`SMPTE 170M NTSC-Compatible Composite Video
`ITU-R BT.470 PAL-Compatible Composite Video
`Luma Sharpness Control
`Programmable Luma Filters (Low-Pass [PAL/NTSC],
`Notch [PAL/NTSC], Extended [SSAF], CIF and QCIF)
`Programmable Chroma Filters (Low-Pass [0.65 MHz,
`1.0 MHz, 1.2 MHz and 2.0 MHz], CIF and QCIF)
`Programmable VBI (Vertical Blanking Interval)
`Programmable Subcarrier Frequency and Phase
`Programmable LUMA Delay
`CCIR and Square Pixel Operation
`Integrated Subcarrier Locking to External Video Source

ADV7172 Typical Application

·High Performance DVD Playback Systems, Portable
·Video Equipment including Digital Still Cameras and
·Laptop PCs, Video Games, PC Video/Multimedia and
·Digital Satellite/Cable Systems (Set-Top Boxes/IRD)

ADV7172 Connection Diagram

ADV7172 Connection Diagram

ADV7172 datasheet

ADV7172
PDF/DataSheet Download

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