OPA4170 : Full rail to rail input swing
Hi,The part OPA4170 looks attractive interms of price and performance.But, my application demands rail to rail input and output swing. In the datasheet of OPA4170, it is mentioned that the input swing...
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TLE2061 VOM+ Maximum positive peak output voltage swing
Hi,What is the test circuit used to evaluate VOM+ Maximum positive peak output voltage swing?With RL=600ohm over full range temperature the VOM+ is 12V when Vcc is 15V.So output impedance of Opamp is...
View ArticleTLE2062 Output Impedance
Hi,The open loop impedance of TLE2062AM is given as 560 ohm.Why it is very less in Figure 23?Thanks,Shihab.
View ArticleOPA2353 Datasheet Updated?
Hi TI Folks,Recently my customer received the below notice from TI part's alert.For the week of November 09, 2014 we have the following alert...
View ArticleOPA2172 & OPA2192
When will the OPA2172 and OPA2192 be available for purchase or sample?
View ArticleTLE2061 & TLE2062 Spice Model
Hi, As per datasheet the open loop impedance for TLE2061 and TLE2062 are different (280 and 560ohm), how to take care this change in Spice model from datasheet? For which device the spice model is...
View ArticleNull detector; current sense 1nA-300mA; multiple sense IC
Problem:1. I have to make a null detector with MCU.2. Input voltage maximum is 30V dc.3. Current to detect is 1nA to 300mA.4. Galvanometer resistor selected is 100ohm. As this is standard in many...
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the information of low frequency in closed-loop OPA188
I found there is no low frequency information in closed-loop gain in OPA188 datasheet. Could you provide the information of low frequency in closed-loop gain like as OPA177? Thanks.
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Help with Pickup Coil Amplification
Hi,I am trying to amplify a signal that is being produced by a magnet and pickup coil and I eventually want to use this signal to trigger a 555 timer in monostable mode later in the signal chain. I am...
View ArticleLMV614 gain margin and phase margin
Hi all,Does anyone have the gain margin and the phase margin of voltage follower circuit of LMV614 when input voltage is 0V?I tried to convert PSPICE model to TINA macro and tried to get these data,...
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opa548 lm675
i SIMULATED THE CIRCUIT IN ATTACHED.IT'S OK IT WORKS AROUND 12V.BUT OPA548 IS VERY EXPENSIVE.WHAT CONMPONENT CAN I USE IN ALTERNATIVE ?LM675 IS CHEAPER BUT THE GAIN MUST BE AT LEAST 10, I CANNOT FIND...
View ArticleLow-voltage operation of LMV842-Q1
Dear, AllPlease let me know operation when power supply voltage falls from recommendation voltage about LMV842-Q1. When power supply voltage falls from 2.7V to about 0.7V, how does it operate?Thanks,...
View ArticleOPA192 in SO-8 changed from active to preview
Hi,i noticed that the OPA192 in SO-8 changed its production state from active to preview. Why? We designed it in and it's now hard to buy it. When the device will be available again?Thank you!T.Rohde
View ArticleOPA2333-HT schematic review
Hi,Attached a schematic around OPA2333-HT. Customer observed oscillations at output for temp from 190degC up to 210degC.Do you see something not recommended on schematic?Input voltage is in between 0...
View ArticleAmplifier settling time.
Hi.I have been reading: “TIDU181, 400KSPS, 4-Channel MUX DAQ System For High Voltage Inputs”and in reference to Figure 14: Back to Back Diode in Traditional Op Amp Introduces Settling Time Delay, page...
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AFE031 receiving data
Dear colleagues,I'm trying to make PLC communication between two PLC modems based on AFE031. I connected everything in accordance to TI app note document sboa130a.pdf. I succesfully configured IC via...
View ArticleTMS320F28377D OTP key , boot mode programming
HI, I am using TMS320f28377d.In my card i left unconnected boot pins gpio72, gpio84. so after power on reset code is not running.1. So i have only option now is OTP programming of Boot mode and...
View ArticleAFE032 without using TI libraries
Hello all,I am looking to implement a simple point to point communication network using the AFE032.I have the PLC evaluation kit, but it is too locked down to get what we need done. Plus the family of...
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AMC1100 - Mains Voltage Measurement - Powering the Device?
Hi,I am using AMC1100 in a system to measure mains AC voltage in an isolated way. (Schematics at the bottom of this post)I have the following questions:1. I would like to know how to connect the GND1...
View ArticleAMC1200B,AMC1204B UL Certification
Hello,Please confirm below and give us comment. Please Help!Our customer now trying to get UL certification for their equipment with AMC1200B and AMC1204B.These device are 4250Vac that is described by...
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