DIFF AMP FOR ADC.

eli

Guru 13485 points

Other Parts Discussed in Thread: ADS8319, THS4531, PGA280, LME49724, THS4531A, THS4031, OPA211

looking for a diff. amp. to drive ADS8319 (16bit SAR),like LTC6362, or ADA4941, for 3.3V.

Is THS4531 is a right solution?

over 12 years ago

0 Masaharu Katayama over 12 years ago

Expert 1420 points

I am worikng on similar competition (ADA4941-1 and LTC6363) for 18b SAR ADC driver. ADA4941-1 is not real FDA but like.

I found THS4531A is good at Vos drift. LME49724 also be good at Vn if power consumption is acceptable. I am also considerring PGA280 (no external trim R, wide input range..etc.) if package size is okay.

0 Masaharu Katayama over 12 years ago in reply to Masaharu Katayama

Expert 1420 points

I mean LTC6362. Sorry for my typo..

0 Hooman Hashemi over 12 years ago in reply to Masaharu Katayama

TI__Mastermind 22825 points

Hello,

FYI>>

ADS8319 datasheet specifies the following for the analog input drive (pseudo differential input):

THS4031

OPA211

Regards,

Hooman

Amplifiers

Amplifiers forum

DIFF AMP FOR ADC.