Other Parts Discussed in Thread: OPA4134 , OPA2132 I have a board made that takes a opa2132 as a pre-amp and its output into the input of a opa4134. All amps work great, but when connecting the 2132 output into the 4134 inputs sll you get elc noice and…
Gennadiy,
I have placed an INA1650 into the simulation for microphones 3 and 4 and they are summed into the other lines to the final output. The simulation is at the bottom of this post. I performed a single to differential conversion at the inputs in…
I checked the documentation for the OPA2132 again and found that this chip can run at a minimum of 2.5V. Perhaps then it is possible to make such a scheme?
If I'm right and it will work stably, please tell me what to do with pin 4 (NR). Now I have…
Part Number: OPA4140 Other Parts Discussed in Thread: OPA140 , OPA2132 , OPA197 , OPA192 Hi:
There is a problem about the use of OPA4140, please help to confirm:
Three of them are used as amplifiers and the other as voltage follower.Attached are the circuits…
Part Number: OPA637 Other Parts Discussed in Thread: OPA2132 , , OPA627 , OPA37 , OPA828 The following figure parameters, Part of IV. There was no noise when using OPA627 or OPA2132 before. When using OPA637, if the gain was too large, the signal would be…
Hi Guido,
a Happy New Year to you, too!
The most noise is generated in the active filters and not in these resistors. So, I see no benefit in reducing R27...R30 and R40...R41.
When using the OPA2132 and OPA2134 the minimum output load per OPAmp is…
Hello K-hashi,
The OPA2132 data sheet lists the θja as 150 °C/W. What isn't listed is the θjc which should be about 42.4 °C/W for the 8-pin SOIC package, which may be of use to you. You should be able to approximate the maximum die junction…
Other Parts Discussed in Thread: THS4052 , OPA2132 , OPA2277
Hello,
Please allow me to have a question in addition to other post.
In case using THS4052 for peak detector, and also in case input voltage were large ( 5Vpp; 10KHz ),
the large bias current …
Other Parts Discussed in Thread: DAC8812 , OPA2132 , TIPD137 Hi,
I'm planning to implement a volume control using a DAC8812. I'm just wondering which oamp should I use after the DAC8812? ...I think the proper term for this application is "unipolar…
