Other Parts Discussed in Thread: OPA340 , OPA347 I'm looking to use an OPA340 or OPA347 as a simple comparator to monitor the voltage of the BR2032 battery. When the opamp is unpowered, if there any possibility of significant (nA) leakage from IN+ to…
Other Parts Discussed in Thread: OPA140 , OPA347 Hi everybody,
As title, why does a type opamp have so many different types of packages/pins?
Eg. OPA140, OPA347,...
Is there a performance difference between the packages/pins?
How to choose packages/pins…
Hi Tony,
Does your schematic now match what is shown in AN-31? If not, please provide the schematic.
I put the OPA347 into the circuit shown in AN-31 into TINA-TI to simulate and I get the expected output in simulation. Have you tried simulating your…
Hi D B17,
Are you using the surface mount SOIC package or the through hole PDIP package? If you're using the PDIP package, here is a sort of all the parts with rail to rail input and output in a PDIP:
www.ti.com/.../products.html
I would recommend…
I am using OPA347 rail to rail opamp with single supply and arduino pwm that can reach 0 and 5 volts. I think I have to experiment and see what happens in either configurations. I rememver before there was a post for interfacing LM35 with xtr117 with…
Hi Vishal,
I searched for some electrically similar operational amplifiers to the OPA348 that are available in the PDIP package. I used the PDIP package availability and OPA348's 45 uA supply current as the leading criteria, supply voltage range and rail…
John,
I was able to measure the EMI-RR of the OPA347 this afternoon:
I should note that the OPA347 is an unprotected device (no input EMI filter) and so its EMI rejection will be much lower than the OPA378.