Part Number: OPA4140 Hi, I am evaluating this part for one of my project. While going through the website, it seems there is no dedicated evaluation board for this part. And I come to know following evaluation board, but it seems this EVB is not for sale…
Other Parts Discussed in Thread: OPA4140 , OPA4277 , OPA4131 When using the OPA4140 as photodiode (silicon sensor QP50-6 TO8S, R>>100Mohm measured with keitley 2100 over all temperatures) amplifier with 1Mohm (//680pF) gain, I measure higher than expected…
Part Number: OPA4H014-SEP Other Parts Discussed in Thread: OPA4140 , , OPA4H199-SEP Tool/software: The graph of this opamp has unusual units for the y-scale:
I would assume these values are relative to typical OL gain,
but units in [dB] is what…
Part Number: OPA140 Other Parts Discussed in Thread: OPA4140 Tool/software:
kindly help us to find the IC Manufacturer Part No from the available top marking in below image
Hi Alex,
I was discussing the OPA4141 popcorn issue you are observing with my manager who knows more than me about the history and measures taken to minimize popcorn noise of our Precision op amps. The OPA4140 and OPA4141 have similar specifications…
Part Number: OPA4209 Other Parts Discussed in Thread: ADS131M08 , , LMP7704 , OPA4140 , TLV4333 , OPA4197 , OPA4187 , OPA2205 , OPA4205 , OPA205 Tool/software:
Hi guys!
I am collecting data for a product I am developing…
Part Number: DAC7564 Hi,
As a part of my new project I need to redesign UV LED driving circuit. Here I am using TI’s AM335x processor and using the SPI I have connected one DAC – LTC2668-12. The DAC output is going to the UV LED - NSHU591C. The specification…
Scott,
First, I presume you refer to a quad version of OPA140 thus OPA4140, and not OPA41040. The OPA140 macro-model is correct BUT you violate the input common-mode voltage range. OPA4140 has rail-to-rail output voltage range but NOT the input. See…
Hello Fabio,
Regarding your inquiry:
We are looking for a solution to read about 200pA AC current with TIA or 100nV AC voltage with instrumentation amplifier. We need to amplify these signals to 5mV AC.
If your preference is to convert the 200 pA…
Hi Kai,
Could you provide a little more detail? Does the amp need to have low or high supply voltage range? We will be able to get close but it is unlikely we can get you an exact match, so if you can let us know which specs are most important that…
