TL441: Perform an impedance measurement
Part Number:TL441Hi,i need to perform an impedance measurement and i think about using the TL441-EP. I used the configuration suggested in the application information in data-sheet, but what are A2 and...
View ArticleLMH6518: Single-ended DC-coupled output
Part Number:LMH6518Hello,I'm interested in using the LMH6518 in an application that requires a 50 ohm single-ended, DC-coupled output with about 500 MHz bandwidth. I'm looking for recommendations on...
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OPA2140: Thermal management or how do I estimate junction temperature?
Part Number:OPA2140I am using OPA2140 (SOIC) in my design. In one of the positions it supplies a fairly high current (up to 9mArms) and power supplies are +/-15V i.e. 30V rail to rail. I calculated the...
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LMP91000: Dual Gas Sensor (ex. CO+H2S)
Part Number:LMP91000Hi Tiers.My customer considering LMP91000 using Dual Gas Sensor.Dual Gas Sensor has 4 leads (common RE,CE, two WEs)Can I designed using two LMP91000s like below block?
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OPA615: OPA615 as a high speed sample and hold
Part Number:OPA615Hi,I like to use the OP615 for a fast sample and hold with hold time of few us.Can I use the OPA SOTA section and not connect the OTA transistor as shown below?
View ArticleTINA/Spice/INA116: Noise Modeling in TINA
Part Number:INA116Tool/software:TINA-TI or Spice ModelsHi,As talked about before there is no TINA model for the INA116. Previous suggestions have been to use the OPA129 in a 3 opamp instrumentation...
View ArticleLMH2832EVM-50: The eval board does not have max gain as advertised.
Part Number:LMH2832EVM-50Hi,I evaluated LMH2832-50 EVM with input signal of -44dBm at 45MHz. With GUI, I set the gain of 30dB but found output power of only -22dBm, only 22dB gain rather than 30dB. It...
View ArticleISO124: Inductive filter for analog isolater
Part Number:ISO124I have 8 iso124's on a board based on app note figure 23. I currently don't have any inductor/filters on the board. I have a tiny bit of noise 20mv or so.If I add the appnote filter...
View ArticleCan you suggest Isolation Amplifier for measuring DC currents from 0mA to 2A?
Dear Sir/Madam,Does TI have solation Amplifier for measuring DC currents from 0mA to 2A?I looked at AMC1200 but it is for AC currents. Best regards,Kpk
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AMC1200: AMC1200: correct wires for isolated vdd1
Part Number:AMC1200Hi to all!.I need to measure a variable voltage (0V -> 600V range) with AMC1200.I use a fully isolated dc/dc converter for build a 5Vdc for Vdd1-Gnd1.For correct measurament i...
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XTR112: The output current of the circuit can not keep constant with...
Part Number:XTR112HelloI have a problem with XTR112, my circuit is according to datasheet XTR112 / FIGURE 1. RTD(PT1000) Input, Current Excitation,input resistant is adjusted in range 700Ω - 1200Ω.When...
View ArticleAMC1100: 3d cad files
Part Number:AMC1100We are looking for the STP file representing the TI AMC1100.Unfortunately TI does not have this file in their support page.Anyone can help?
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AMC1200-Q1: voltage sampling ,AC voltage , noise
Part Number:AMC1200-Q1Hi,thank you for reading my post.This is my question:Recently I use AMC1200Q1 to sample AC voltage(Vrms=220V),but as the picture you can see the sensed voltage has a ripple in...
View ArticleCurrent to Voltage Converter(Trance-impedance amplifier)
Hi Everyone,I have a Custom single electrode MEMS based gas sensor it's output in the range of few nA to mA. So please suggest me any Current to voltage converter with highest gain and Precision.
View ArticlePGA204: Possibility of use in new designs and newer analogs
Part Number:PGA204Hi everyone!We are doing reverse engineering of some old scientific device and in the device used bunch of PGA204. We have some doubts about similar ICs in Texas Instruments...
View ArticleMicrovolt Signal Amplification at 1 MHz frequency
Hi,I have gone through the previous posts regarding microvolt measurement , such as (https://e2e.ti.com/support/amplifiers/precision_amplifiers/f/14/t/293906
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OPA2333: OPA2333
Part Number:OPA2333Hi team, my customer has a question when using OPA2333. We have an exposed pad in the middle of the device and as the datasheet says, it's for "thermal and electrical...
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XTR105: Doesn't work
Part Number:XTR105XTR105 doesn't work.XTR105 has to deliver out 4-20 mA for a PT1000 at temperatur range 50C-650C. I used a decade resistance boc instead of PT1000.1) The applied circuit is that...
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LMP2011: Resistance Temperature Detector interface app. Note SNOA838 circuit...
Part Number:LMP2011Hello, I want to implement the circuit shown in the attached application note (wonderfully explained, by the way), to measure a 4 wire RTD.I have two questions:1.- Is C1 capacitor...
View ArticleLPV821: noob question about op-amps
Part Number:LPV821Dear,I have no previous experience with op-amps.I have used the TI selection tool but, to be honest, the number of parameters is overwhelming :)During my preliminar searches, seems...
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