XTR111: 4-20mA conversion accuracy issue at high ambient temperature ( > +65C)
Part Number:XTR111Hi Sir,Attached SCH shows our 4-20mA conversion circuit which is part of the circuit in our design. Basically we used design of TI evaluation board for XTR111.The 4-20mA accuracy of...
View ArticleLMP91200: LMP91200 reference design questions
Part Number:LMP91200Hi Team,The customer would like to use LMP91200 to measure the PH of the polluted water.For the E version datasheet, it removes the SPI function. He needs to the reference schematic...
View ArticleINA326: Understanding the benefits of the current mirror system
Part Number:INA326I'm currently designing an amplifier circuit for a photodiode. The photodiode uses a trans impedance amplifier initially but, to keep the bandwidth up, this has fairly low gain. In...
View ArticlePGA308EVM: How does the PGA308EVM be configured for three-wire mode
Part Number:PGA308EVMHi,I want to configure PGA308EVM for three-wire mode, so I set JUMP1 to Vout to 1W, JUMP7 to one to Vout. JUMP8(in the USB DAQ Platform ) to SPD_UP.But it doesn't work. The...
View ArticleDifferential signalling to single ended adc
differential receiver signal of anlog front end to single ended adc
View ArticleXTR110: Datasheet information.
Part Number:XTR110The data sheet for XTR110 has a FIGURE 10. 0A to 10A Output Voltage-to-Current Converter.1) Shouldn't pin 10 be to Com? That pin is not shown.2) if I want my input to be 0 to +5V, Pin...
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OPA4197: question regarding absolute maximum input voltage and current rating.
Part Number:OPA4197Absolute maximum ratings for OPA4171 and OPA4197 specify signal inputs should stay below V+ +0.5V. Can this be exceeded as long as the current is much lower than the signal input pin...
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XTR115: XTR115 phase shift between voltage and current occurs during convertion
Part Number:XTR115dear all i would like to have some help on the component XTR115in fact i use the recommended digram specified in the datasheet.however i converting analog voltage sine into analog...
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Op-amp selection for switching current measurement
Hi All,I am building a 800W pushpull converter operating at 40kHz - 65kHz switching frequency with primary current going till max 100A. Converter input voltage on primary side can vary from 30-42V. See...
View ArticleTINA/Spice/AMC1200-Q1: AMC1200 shunt connexion
Part Number:AMC1200-Q1Tool/software:TINA-TI or Spice ModelsHello,I'm currently designing current sense measuring in H bridge and I have a question about GND1 connexion: in typical application, shunt...
View ArticleLMP91000: how to mesuare nano ampere current from chemical sensor
Part Number:LMP91000I had dissolved oxygen sensor purchased from manufacturer NENGSHI, polarization voltage is:-650mv and current output are 0 to 120nA since I required an interface circuit for...
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INA128: Using INA128 as current sensing. Maximum input voltage regard to...
Part Number:INA128Hello.I need build a current sensor for a Full bridge inverter output.The nominal output voltage of the inverter is 127 Vrms.At their output there will gonna be a LC filter.The main...
View ArticleOPA2336: Vout Swing to the Rail when Vin is 0V
Part Number:OPA2336The data sheet shows that Vout cannot reach 0V even if Vin = 0V. The data sheet states that the minimum voltage swing from the rail is ~ 3mV. Do we have any information on this for...
View ArticleOPA388: SOT23-5
Part Number:OPA388Hello.How to order the SOT23-5 type of OPA388?I cannot find it in TI or orher distributors as mouser, digikey or arrow.This is S.Korea. And I require 10 pcs to make a DAC...
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OPA2604: single supply condition
Part Number:OPA2604Hi Team,I believe OPA2604 is operable under single supply V+=45V, V-=0V (GND) condition.Is my understanding correct?I would like to confirm just in case.Best Regards,Yaita / Japan disty
View ArticleLMP91000EVM: Extracting data real-time for custom graphing
Part Number:LMP91000EVMHi!*** Note: I would like to request that this forum post be made private for confidentiality purposes.***BACKGROUND:I have the LMP91000EVM evaluation module and SPIO-4...
View ArticleOPA340: offset voltage for R/C integral
Part Number:OPA340HelloI have a question regarding the offset voltage caused by the R/C integral.I would like the measure a signal from the output from Rogowski Coil. I use a R/C integral after. R is...
View ArticleINA333: Terminate thermal pad on INA333 WSON package
Part Number:INA333Hey all,The datasheet for the INA333 is not clear on the termination of the thermal pad on the WSON package. Can/should the thermal pad be tied to the IC ground? is the termination...
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OPA4140: OPA4140 IB specific over from -40C~85C
Part Number:OPA4140Hi Team,I'm selecting a low IB(<200pA through -40c~85C), low offset(<200uV) support up to 30V supply amplifier. It seems OPAx140 is a choice, but I can't find the Ib curve...
View ArticleLMH6518: What's the cause of the offset drift in LMH6518
Part Number:LMH6518Hi team, My customer has adopted LMH6518 in their end product. After running in the market for 5 months, one of the product was reperted abnormal behavior. Customerr found that...
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