ADS62P49: Video Conversion Limitations

Zachary,

We are looking into this.

Regards,

Jim

Hi Zachary,

From what I have seen, NTSC signal occupies about 6 MHz of bandwidth; however, it can be on many different frequency carriers (depending on the channel). Will you be directly sampling these signals, or will you be mixing them down to a lower frequency (baseband)?

The ADS62P49 may be a good candidate, but I would recommend the ADS4249 (if it is the correct choice) since it has much lower power consumption. If you can provide more parameters that apply to your application (analog video processing), I can better advise you on part selection.

Best Regards,

Dan

Hi Dan,

The FMC I am using to take in the analog video uses the ADS62P49 as its ADC. That being said, I am directly sampling the video; however, I am only using 2 of the 8 input channels the FMC has available.

Depending on if AC or DC coupling is used, there is an input buffer of 3MHz to 650MHz (AC) or up to 320MHz (DC).

Do you think bandwidth will still be a concern?

Thanks,
Zach