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…
Part Number: OPA4140 Other Parts Discussed in Thread: OPA2277 , OPA140 Hi Team,
I'm selecting a low IB(<200pA through -40c~85C), low offset(<200uV) support up to 30V supply amplifier. It seems OPAx140 is a choice, but I can't find the Ib curve across…
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…
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: 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…
Part Number: TL084 Other Parts Discussed in Thread: TL054 , , LM2904 , TLV4172 , TLV4170 , OPA4209 , OPA4228 , OPA4192 , OPA4140 , OPA4197 , OPA4227 , I have a customer named 'Jiangmen Xingjiang steering gear', which engineer used LM2904AVQDRQ1 to replace…
Part Number: TL084 Other Parts Discussed in Thread: TL054 , TL074 , OPA4141 , OPA4140 , OPA4192 , OPA4197 Hi Sir
We are using ADTL084ARZ ,We would like to know which OP you suggest to replace ADTL084ARZ ?
Temperature and SPEC need to better than ADTL084ARZ…
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 the…
Other Parts Discussed in Thread: OPA4171 , OPA404 , OPA4172 , OPA4141 , OPA4140 Hi team,
What degradation can be expected to the specs of OPA404KU if it is operated at -40 deg C?
Is there a recommended physical drop in replacement for the OPA404KU that can…
Jebas,
The OPAx140 family (OPA140, OPA2140, OPA4140) is well suited for multiplexed applications because it does not have back-to-back diodes between the input terminals. Alternatively, the OPAx141 family is identical but is not trimmed for very low offset…
