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PGA309 temperature Coefficients Write issue
I used PGA309EVM-USB board in my application, the software is sboc320c I found something wrong but i can't find out it.The issue: I compensate the PGA309 with 3 temperature point -40,0,60....
View ArticleEMG circuit using TL064 with bias compensation.
Got good results for my project of EMG signal extraction by using TL064 to develop the Instrumentation amplifier coupled with the bias compensation. For enthusiasts needing more info. please post here,...
View ArticleWould the INA333 circuit shown in datasheet work well enough for EMG...
I am using INA 333 for EMG signal acquisition using the circuitry shown on page14 in the datasheet with little modification in the placement of the reference (drive) electrode. Also since our...
View ArticleOp-amp in notch filter?
Does having an OP-AMP ahead of a passive notch circuit provide any particular benefits in the notch characteristics?
View ArticleTLV3011 Drive Capacitive Load
I would like to use the TLV3011 to drive a NMOS gate (SiA448DJ). What capacitive drive capability does the TLV3011 possess? Spice-Simulation with 100Ohm gate resistor suggests no problems but this may...
View ArticleOPA188 1/f noise
I have an application that requires very long term DC stability. Upon looking into some choppers, I've found the datasheet for the OPA188 shows a slight rise in the voltage noise that looks to...
View ArticleInquiry about Muti-Cal system EVM
Hello, I'm a Daekeon as a pressure sensor developer from Autonics in Korea. Now, I use your system to calibrate zero or span to my products. But, It happened that the zero calibration is error so I...
View ArticleXTR106U device marking
Hi,Facing problems with XTR106U in six ICs out of a batch of ten. No VRef5, output current iz zero. Other parts work as desired. All parts marked with Burr Brown logo.Could this be a spurious parts...
View ArticleIVC102 - ADC components
Hi Everyone.I recently requested to TI an IVC102, and everything works ok, as established the datasheet.My concern is about the ADC for future implementations. Is there any ADC recommended for the...
View ArticleINA200-Q1
Hi, I'm disty of Japan aria.Please help me.My customer need data of Temperature Variability owing to individual differences.Please give me a material of [Output Voltage vs Temparature ]. *Input...
View ArticlePGA309 questions
HiWe have some questions for PGA309 from our customer.The customer are evaluating PGA309 on their board.Please give us advice for these questions?1.The conditions required specifications of our...
View ArticleInquiry regarding Output Current on LMP2232
Hello, allNow we have one inquiry regarding Output Current on LMP2232 from our customer.Please refer to the item below, and feedback us with your comment.When referring page 3 of LMP2232, the output...
View ArticleTIA gain selector for low current measurement
Hello,I'm working into an application to measure low levels of current (1pA or less) and I don't find a solution to implement a variable gain to achieve different ranges of measurements (1pA-1uA). I...
View ArticleRunning the OPA4180 on asymmetric power supply rails
Can the OPA4180 function properly on asymmetric power supply rails?My application linearly drives a voltage to PWM devices with OPA4180 op amps running on a 12 V single supply. Any nonzero input (no...
View Articletemperature simulation of OPA2141AID in Tina
When I tried to measure temperature analysis of OPA2141, I could see the error sentense that is 'Node number out of range'.I don't understand what it means.Could you let me know that what should I do...
View ArticleFailure on OPA2313
Hi all,I'm using op amp OPA2313 in my application and in first 500pz production I experienced 4 pcs of OPA2313 broken (short circuit on output to ground or short circuit on inverting input to ground)....
View ArticleOPA277 issue with AC analysis
i am trying to model a photo detector and in the process i am model a photo diode. The input signal i am trying to model is 1 mW DC and 1 microW AC. I biased the input to 1 V and 1 mA DC . I have it...
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LMP91000 and Electrochemical Blood Glucose Meter
I found a docunment about LMP91000 "LMP91000 Sensor AFE System: Configurable AFE Potentiostat for Low-Power Chemical Sensing Applications". It says I may make a blood glucose meter by using LMP91000...
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Audio balanced line driver
Dear,I want to amplify signal for Shure 514B microphone placed 40 meters from amplifier. I'm going to use INA217 and DRV 134 but I don't sure if my design is correct.Please, Can anybody help me?Best...
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