Part Number: OPA191 Hi team,
As datasheet Absolute Maximum Rating description.Signal input pins (Differential ) is (V+) – (V–) + 0.2 V.
If the V+,V- supply are +-3.3V. when input signal is IN+ is -5V, IN- is 0V. this situation will damage the device…
Part Number: OPA191 Hi
my customer design OPA191 and need us to double check is their schematic ok or not.
Please help to check.
Atfirst, the AI side input signal voltage range is +/-5V and the OPA191 output should become 0~5V voltage range, so…
Part Number: OPA191 Other Parts Discussed in Thread: OPA192 Hi Team,
If we were to engage the input protection clamps on the OPA191/192 would this cause any change in the DC offset or bias current performance?
Thanks, Mitchell
Kato-san,
The OPA191 input EMI filter is a first-order, RC differential/common-mode that comes about from the added series resistance and junction related capacitances in the input circuits. Datasheet Figure 60 shows a simplified circuit diagram showing…
Part Number: OPA191 Other Parts Discussed in Thread: TINA-TI Hi,
I am just about to use the OPA191IDBVT op-amp as a non-inverting amplifier, with the op-amp being powered from +5V and 0V.
My question is if the + input on the non-inverting amplifier…
Part Number: OPA191 Other Parts Discussed in Thread: REF6025 Hi,
I would like to reduce the reference noise of the underneath schematic. I tried to use the REF5025 (image under schematic) but according to TINA this only increases my output noise. Any…
Thank you Kai and Will,
I appearce that I had the write answer al along for a Vref of 1.65V, rf/Rin = 6.06061 and R2/R1 = 6.06061 but I let the Analog enginnering's calculator, calculate my resistors and there is where it went wrong.
Thanks again…
Hi Rob, hmm, -2.5V at the -input of OPA191 does not sound good. I would try to clamp this pin with a small current Schottky diode like the BAT54 or similar. Kai
Part Number: OPA191 Other Parts Discussed in Thread: MPY634 , MPY100 Hi Team,
My customer don't want to use ADC resources for the RMS calculation, I'm wondering do we have hardware reference circuit for the RMS caculation? thanks.
Hi Mohamad,
Multisim is not officially supported by us. I would recommend trying this out in TINA-TI which is a free simulator that we provide. If you face any issues with TINA-TI we will be happy to help you out. There is a short video training series…
