Ada4898-1

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Filburt

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Joined 2006
http://www.analog.com/en/amplifiers...fiers-op-amps/ADA4898-1/products/product.html

Looks interesting. I wonder why the overview page states -110dBc THD+N @ 500KHz while the product page states 93, and the datasheet seems to indicate 95. Also wonder why it costs less than half what the AD797 costs when it appears to be indicated to use the same process and the same or similar topology, whilst being considerably faster.
 
syn08

syn08

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Joined 2005
synaesthesia.ca
Filburt said:
http://www.analog.com/en/amplifiers...fiers-op-amps/ADA4898-1/products/product.html

Looks interesting. I wonder why the overview page states -110dBc THD+N @ 500KHz while the product page states 93, and the datasheet seems to indicate 95. Also wonder why it costs less than half what the AD797 costs when it appears to be indicated to use the same process and the same or similar topology, whilst being considerably faster.
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I already got a couple of samples from AD and had a chance to quickly evaluate them. They are very, very good. I would always trust the data sheet over any marketing overwiev.

Don't know about the pricing, but I'm not sure if it's in the same process as AD797. About distortions, for +/-15V, loads over 1KOhm and and a few volts output swing, you can count for distortions in the audio frequency range of better than -110dB.
 
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