OPA140 power consumption question
Hi,Suppose I need to design a 12V power for OPA140 to drive a load about 20mA. The quiescent curren is max 2.7mA, so the 12V power should be able to provide current at least 2.7mA+20mA =22.7mA . Is...
View ArticleMPC506 mux
Hi everyone,I have problem with MUX MPC 506. I need to process analog signals coming from 9 sensor. How should I desgn a circuit for obtaining 9 data one by one at output of MUX?Regards
View ArticleQUESTION, TLV2372-Q1 ESD SPEC
Hi~ there.One of my customer wants to know ESD spec of TLV2372-Q1.I can't find anything in datasheet and need your help.Please let me know the spec or related docs.Thanks in advance.
View ArticleAFE031 PLC Modem
There is not much explanations about the SPI of AFE031 in the Datasheet or on Internet. Can I have a detailed explanation of how SPI of AFE031 works? I need an example in detail with exact code...
View ArticleOPA2227U / Common-Mode Voltage Range
hi all. My customer use OPA2227U in the following condition. (V+)=5V, (V-)=0V(GND) The common mode voltage range of the datasheet is (V-)+2V ~ (V+)-2V., but this value' s test condition is VS = ±5 V to...
View ArticleOPA191IDR orcad spice model
Can I get OPA191IDR orcad spice model.Is it available in TI site?
View ArticleGeneric queries on PLC
Hello Team,One of my customer has following queries on PLC, kindly help to answer -Does PLC allow one way communication from slave nodes to master ?Can PLC work on a very noisy powerline, is there a...
View ArticleCalibrating span and zero for XTR115 PWM to 4-20mA Industrial Application
Please suggest a span-zero calibration for the typical PWM to 4-20mA application of the XTR115. Schematic attached for reference.Thanks,Jayant
View ArticleDo op-amps of the same type but in different package share the same die?
Hello,Do op-amps of the same type but in different package share the same die?I would like to have the answer particularly for the following references:OPA330AIYFF (WCSP-5) and OPA330AID...
View ArticleInstrumentation Amp for Pressure Sensor
I am looking at using the INA333 instrumentation amplifier to condition a pressure sensor. The sensor has an input voltage of 10V nominal with supply current of 1.5mA. The output is from 0-100mV using...
View ArticleTL074 OP-AMP operating voltage query
We are using OP_AMP TL074 ic in our BIOCHEMISTRY instrument.TI IC TL074 operate voltage is ±12V. But, due to availability issue of ±12V in our instrument, we are planning to change operating voltage to...
View ArticleOPA191 Behavior using 5V single supply and 2.5Vcm ?
Dear Support,according to the data sheet the OPA191 would be a perfect fit for my multichannelmuxed based data acquisition system. It must be low power, precision and offerlow dirft figures. The OpAmp...
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INA126 non-linear operation
Hi there,Currently i'm trying to design a whetstone bridge circuit using load cell. The instrumentation amplifier which im using is the IN126 , and I have a 0-12V single powered power supply...
View ArticleIt is posible to measure milliohms using 3.3v @ 300uA? Any Idea?
Commercial Milliohmeter uses high current to achieve good readings, but, High current or votage can damage the device under test.
View ArticleSome base questions about CMRR and Total Offset calculation
I have some questions about CMRR and Total Offset calculation.1. We all know that CMRR the bigger the better anti-noise ability How CMRR affects the output voltage? If take 100dB comparsion with...
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[LMC6772-Q1] about input impedance
Hi teami like to know LMC6772-Q1's input impedance at VCC = 5V.i saw 0.04 pA input current at VCC = 5V.LMC6772-Q1's input impedance at VCC = 5V is 125 GOhm = 5V/0.04 pA, right ?
View ArticleLMV7272 * DSBGA PACKAGE
would like to use the LMV7272 dual comparator device in DSBGA package.I noticed in page 16 something regarding light sensitivity.Please alaborate/explain
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LM102, LM101A Replacements?
Hi,I'm currently attempting to simulate the "capacitance multiplier" below. I've come to understand that the op amps in the circuit, the LM102 and LM101A, are most likely obsolete. However, since I...
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INA122 question
Dear：INA122 Question：1.Circuit diagram is as follows，when S-=0V，S+=1V，G=7，VCC=22v，now and then the Vout=22V，nomoral the Vout should 7V，why？
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current output schematic
Hi, Team.I had been asked opamp and Current Output Equation (I load) by Mitsubishi which is industrial company in Japan.I'm supposed to suggest good opamp for its schematic and tell them I load...
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