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ADV7842 vs ADV7441a

Question asked by hoehna on Dec 27, 2012
Latest reply on Jan 7, 2013 by raymondcarter

I will be starting a new project and was looking to use the ADV7842 since the ADV7441a is not recommended for new designs.  We have used the ADV7441a on quite a few projects and are fairly satisfied with its performance although we have had to work around some issues.  We would like to stick with the ADV7441a since we know what to expect from it plus we have all the decoder settings for the various resolutions.  But if it is not recommended to design with then we need to make a change.  If I don't use the external SDRAM memory in the ADV7842 can I expect to see the same type of performance as the ADV7441a?  We are using HDMI, YPbPr, RGBHV, NTSC and PAL inputs on the device.  How much of a change is there in decoder settings for the various resolutions?