Part Number: TIDA-00440 Other Parts Discussed in Thread: LMC6082 , ADS1256 , Hi Team
I have a customer that is designing to measure leakage current in electric machinery insulation.
The requirement measuring current is approximately 1nA using the devices…
John,
The two op amps you mentioned are quite different - OPA140 is 36V op amp while OPA392 maximum supply voltage is just 5.5V; thus depending on the supply voltage, you may want to consider using 5V LMP7721 or OPA392, 15V LMC6082, and 36V OPA192. Having…
Part Number: OPA2317 Other Parts Discussed in Thread: ADS124S08 , OPA317 , LMC6082 , INA326 , INA333 Hi,
When we LMC6082IMX opamp for 24 bit ADC application. found that the LMC6082IMX offset voltage is more. So found low offset voltage opamp OPA2317 to replace…
Part Number: LMC6482 Other Parts Discussed in Thread: OPA2187 , LMC6082 , OPA2197 , , OPA2196 Dear TI:
We need uesd TI amplifier to replace AD8667, can you help give some advice? thanks!
Hi Arumugam,
The oscillation is created from op amp instability with large cap loading. See the LMC6082 datasheet on page 10 where it discusses CAPACITIVE LOAD TOLERANCE.
As your input filter resistors (R319-R329) are 0 Ohm, the op amp is directly…
Ron,
Thanks very much. I followed it to an LMC6082 that should do the trick. I've got a couple LM358 chips coming that I will try until I can get some LMC6082's to try.
Mike
Hello Paul
Thank you for your practical answer. It is very useful one.
I agree with you it is just a engineering quidance, but It will greatly help us to set spec compliance matrix.
I see 0.1pA as follows at http://www.ti.com/product/LMC6082/descripti…
Hello Pablo and Lothar,
I see that you are running the LM6171 from 9V single supply (VEE tied to ground). The input common voltage range of the LM6171 (VCM) does not include the VEE (or V-) rail. VCM requires at least 1.3V headroom to V- and to V+.
…
Hi Faisal,
The OPA 4354 would have been ok, except that it has really high offset voltage .... 8mV which I think does not match your specs. There are a few Opamps that would match your requirements. The best one seems to be OPA4277 . However you could…
