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Question of LMV7271 for Hysteresis Circuit
Hola,We used LMV7271 as our new design of hysteresis circuit as below：Vin = 36V --> Vout : lowVin = 39V --> Vout : highAnd the calculated result as below：But the actual result after we testing...
View ArticleOPA1688 - 130mW in case of 128ohm
Hi allWould you mind if we ask OPA1688?Our customer would like to make the following condition using OPA1688.-Load : 128ohm-Output power : 130mWAbove condition, following values are obtained;-31.6mArms...
View ArticleINA217 single supply
Hello,I'm working on a pre-amplifier using the INA217, but I couldn't get a linear operation for Vout. I saw that I can use this op-amp as single supply, but I can't make that work. Any suggestion?
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XTR106 input voltage range
Hello, I am using the XTR106 with a Honeywell bridge pressure sensor. The bridge resistance is about 5.4k ohms. We are able to calibrate our FS range using a dead-weight tester between 4 and 20 mA...
View ArticleInput Protection for INA116
Hi guys, I'm building an electrometer that measures the difference voltage across a ~100pF capacitor, and needs to avoid significant leakage for at least 30 seconds. Therefore the input/leakage specs...
View ArticleOPA376 EMIRR
The product's page states that OPA376 is EMI hardened, but I can't find any related information in datasheet. Is it possible to know its EMIRR?Thanks.
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INA122 DC offset at output, caused by noise?
Hi, thanks in advance for your time and expertise.I am using an INA122 to measure input and output voltage in an GaN inverter.When I measure the sensor response with the scope when the circuit is not...
View ArticleLM324 / about unused pin
Hi all.I have one question about LM324.This device is quad circuit,but my customer use 2 circit only.So please tell me how to treate unused pin(IN+, IN-, OUT)My customer treats open.Is it no problem?If...
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Using two XTR116
HelloCan you please tell me if the schematic below is correct or not, because i have the same output signal in both transmitters, if it's not correct what should i do ?Thank you
View ArticleThermal data - LMP2021MAX
Hi,I am using LMP2021MFX/NOPB in our design. I am looking for following parameters 1. Junction to case thermal resistance 2. Operating temp range Looking for early reply.Thanks,Ummaiah B.
View ArticleInput Impedance exhibits by OPA376 to the Analog Inputs
Hi,We are planning to use OPA376 Op-amp for an ADC input buffering application. Below is the brief explanation about our requirement. We are using ADS1220 ADC for our application.Input impedance...
View Articlepga281 pspice model problem
hello,i download pga281 pspice model,and open with pspice model editor program in cadence 16.6,an error 'an invalid argument was encountered' comes out. how to resolve this problem？thanks！
View ArticleProblem with DRV8332
Sir, I am using DRV8332 in my project to control Maxon BLDC motors.I have prepared a hand soldered circuit as mentioned in the datasheet. But the OTW, FAULT,Vref pins are coming low.when no pull up...
View ArticleLPV521 output swing
Hi, folksCould you update figure 31 and 32 of datasheet?At Figure 31, Crossing x and y represent VS=1V and VOUT=0V respectively? and also step of Y equal to 1V?At Figure 32, Crossing x and y represent...
View ArticleOPA2348AIDR -- need similar specs device
Dear Sir/madamWe currently using OPA2348AIDR in lighting project. But offset voltage of this part is creating lot of trouble in design. So we have searched another footprint compatible part from TI and...
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TLV342 / Supply Voltage
Hi,The Supply Voltage of TLV342 is mentioned such following on the datasheet.Absolute voltage and Recommended voltage is same (=5.5V).I think that operating@V*=+5.5V is dangerous because the margin is...
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Current Sense Range of 10 nA
Hi, I am trying to sense the current from our chip by using transimpedance amplifier. And we have the -5V to +5V power supply option on our PCB board.The current range will be around 10nA. I was going...
View ArticleLooking replacement for INA122U for a new design
Hello,I am looking for replacement for INA122U.
View ArticleINA116 Simulation
I would like to use the INA116 in a design that I am currently working on however am unable to find a SPICE model for use in TINA or one of its competitors. Please can somebody advise as I have heard...
View Articlelmv77x Input-Referred Current Noise = 1fA
Dear Sirs,right now I am trubleshooting a noise sensitive circuit, build with the LMV774 and would like to confirm your specified Input-Referred Current Noise of 0,001pA (=1fA). Could you please...
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