What is the difference between LM231 LM331 and LM331A?
I look through the literature and possibly know LM331A but What is the difference between LM231LM331 and LM331A?
View Articlevery low oscillation problem on LMP7731
Hello,Using the LMP7731 with high gain (200), input resistor of 1k and feeback resistor 220k (with parallel capacitor of 4,7nF) to measure low amplitude 50Hz signal, we have very low oscillation...
View ArticlePGA206 replacement
Hi,we are using PGA206 on a analog electronic board since 15 years, and we are regard to redesign a new one.Do you new parts with same quality of PGA206 (Vin up +- 12v) and with a SPI interface ?Thanks...
View ArticleAFE031 required power supply
I have seen that the AFE031 has an output with a current capability of 1.5A.Is this high current needed for PLC? We want to use a smaller Power Supply…. We use for 12V. If we have to design for the...
View ArticleOPA548T Field failure
Hi, I have a design that uses OPA548T parts and have had a failure. Can I send the part in for analysis to see how it failed to help determine root cause?Thanks
View ArticleISO124 LAYOUT QUESTION
The layout section on page 20 of the ISO124 datasheet says to maximize the distance between iso and non-iso ground. It also says to keep the area under the component free of conducting materials. My...
View ArticlePGA309 Individual serial number address location in EEPROM
At what EEPROM address would I find the unique serial number assigned to each unit as programmed into each unit by the Multical software? Seems I cant find that in the documentation. I am using a 16K...
View ArticleOPA2322: input parasitic capacitance
Dear all,We concern about input parasitic capacitance about this device.How value does this device have it?Could you teach me about temperature characteristics of input parasitic capacitance?At our...
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INA128 Over-Voltage Protection Circuit
All,I am looking at the data sheet for the INA128 instrumentation amp and I had some questions about how the over-voltage protection works.Could you explain how this circuit works?Better yet could you...
View Articlelmp9100 INTERNAL ZERO
Hi there,I am working on a project in which I have integrated LMP91000 IC.I have an issue while setting the internal zero value of REFCN register.I am using a 3-lead carbon monoxide(CO-AF)...
View ArticleDurability of OP Amp OPA2336 at high temps (above 130C)?
We have a circuit board that is being prepared as a dual use "Burn In" board and test board.For testing we want to use opa2336, however the range specified in the datasheet only goes up to 85C. This...
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high current drain in OPA1611 circuit
Hope someone can help.I have a single stage, single supply 15V, OPA1611 connected in a typical inverting configuration. The inputs and outputs are ac-coupled through 10 uF caps. At IN+, there is...
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PGA309 Unable to read EEPROM in extended address locations. 0 thru 122 is OK
I have the need to be able to read the PGA309 serial number thru software. I have modified Multical for this and I am able to see the locations 0 thru 122.After I have went thru the normal calibration...
View ArticleLog amplifier
My customer is looking for log amplifier with following specification:Input current range: 10 nA to 150 mAInput current pulse width: 6ns to 10ns (pulse width = ON time) Amplifier response time:...
View ArticleINA110 - E2E User profile Activity issue1
Part Number: INA110Question type: Device selection assistanceSupport topic: /Feedback/Report a website issue/Description of the problem: Seeing some script in Search textboxes when user navigates from...
View ArticleOPA333 - testing
Part Number: OPA333Support topic: /Product/Device selection assistance/Description of the problem: testing
View ArticleOPA1013 - Test23434
Part Number: OPA1013Question type: Device selection assistanceSupport topic: /Feedback/Other feedback/Description of the problem: Test232
View ArticleLM6142B output swing in +12V single power supply
Hi Team, Do we have the output swing data in +12V power supply condition for LM6142B? The datasheet only mentioned 2.7V,5V and 24V conditions.Best Regards,Nick Dai
View ArticleOPA2320S Output state at shutdown
Hi,Could you let me know output state at shutdown when _SHDN is low, please? ->I think that output state of OPA2320S at shutdown is high impedance. Is it correct?Best regards,Shimizu
View ArticleElectret model used in TIDU765 design
Greetings everyone,I am going through the TIDU765 design (John Caldwell) in an attempt to grasp the details of the Eletret microphone.This article is great work being clear and precise. However, there...
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