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Quote from: schmitt trigger on April 14, 2019, 03:19:53 pmFor R-R operation, TLC2272 /4.Yeah, they're nice.
For R-R operation, TLC2272 /4.
The OPA549 always makes me happy.It's like the tank of opamps.8 amps continuous output at up to 60V single supply or 30v dual supply.Recommend application: source & sink lab powersupplyhehehe I inherited a tube of 30 and like to use them for stupid stuff just because its funny. They cost to much to actually be worth buying for anything hobby related.
Quote from: Circlotron on April 16, 2019, 01:35:28 amQuote from: schmitt trigger on April 14, 2019, 03:19:53 pmFor R-R operation, TLC2272 /4.Yeah, they're nice. Except they don't have R-R inputs, just outputs. The inputs are only specified from VSS to VDD-1.5V.
I tend to use the TL08x for general purpose stuff. It's not fancy but it does the job.
LT1990 hands down:-) x1 x10
That's one tough little IC!!
I design / make EV battery packs, which can go up to 220VDC per module
Quote from: digsys on April 17, 2019, 12:55:52 amI design / make EV battery packs, which can go up to 220VDC per moduleI didn't know you could get op amps that would accept such high voltages. Learn something new every day!
The ADHV4702 can up operate with supply voltage up to 220V:https://www.eevblog.com/forum/projects/new-high-voltage-opamp-adhv4702-1/
As others have pointed out, the TLC2272 is a good R2R alternative to the TL072.I would like to add the TLV2171, which has R2R outputs, and almost R2R inputs. It is a bit noisier, but also substantially cheaper.In terms of R2R alternatives for the NE5532, OPA1612 was suggested below above. A cost saving alternative is the OPA1678 which is my new favourite OpAmp R2R output, costs almost the same as the 5532, similar performance,
The LT1990 is a difference amplifier and not an operational amplifier. Essentially it is an integrated variation of the standard 4 resistor instrumentation amplifier which can be extended to handle higher input voltages at the expense of precision.
Quote from: David HessThe LT1990 is a difference amplifier and not an operational amplifier. Essentially it is an integrated variation of the standard 4 resistor instrumentation amplifier which can be extended to handle higher input voltages at the expense of precision. You sure are tough marking :-). For the LT1990A, in preset x1 x10 gain mode, I get ~ 0.02% - 0.03%+ without trimming and gain linearity around 0.001%+
Opa365. Under 5.5v, tell me what it can't do .