Digital to Analog conversion of progressive video of 640*480 by ADV7340/ADV7341 IP.

Question

Thermal sensors generate the progressive video at a resolution of 640*480 and according to the ADV7340/ADV7341 datasheet, the video must be in an interlaced format to convert digital video of resolution 640*480 to analog video how to generate the analog output (NTSC and PAL) if the digital input is a progressive video of 640*480 by ADV7340/ADV7341 IP.

PoornimaSubramani · Accepted Answer

Hi, 
 ADV8005/ADV8003 is the only part which can support scaling as well as P to I conversation. 
 This attached file ez.analog.com/.../adv739x-design-support-filesWhich ADV739x video encoder should I choose compares all members of the ADV734X and ADV739X series of parts.These are the latest video encoder parts on offer from ADI . 
 Note: ADV7340/ADV7341 support an SD noninterlaced mode. Using this mode, progressive inputs at twice the frame rate of NTSC and PAL (240p/59.94 Hz and 288p/50 Hz, respectively) can be input into the ADV7340/ADV7341. The SD noninterlaced mode can be enabled using Subaddress 0x88 Bit 1. For more details please refer Page56 at ADV734x datasheet. 
 
 Thanks, 
 Poornima)

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Digital to Analog conversion of progressive video of 640*480 by ADV7340/ADV7341 IP.