Amplifier
In an analog application Photo diode output current is 40 to 70uA, please suggest current to voltage interface.Can i get differential signal.
View Articlepressure sensor amplification
am using sm5652 sensors for measuring low pressures. Can i use ina122 along with this for the amplifications for sm5652?. i need to connect the amplifier output to the arduino.
View ArticleEverybody is good
Everybody is goodI think the AC voltage signal into 4-20mA current output, how to change?
View ArticleOPA2381, is Vbias required?
Hello, I intend to use OPA2381 as a transimpedance amplifier for a photodiode (Everlight PD638B) in my project. The impendance of that photodiode is 333M (dark)....200K (1mW/cm²). In TINA-TI the...
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INA212 seems to be dead.
Following to this scheme, INA died after few hours.At the beginning everything works fine,but after about two hours OUT voltage has started to grow up till it reached 3.4 Volts, which are more than...
View ArticleIVC102 pcb
Dear community,After very close examination and study of IVC102's datasheet I have made two versions of PCB layout.I have attached pdf files of each in zip. Blue is the bottom, red is the top...
View ArticleINA170 Linearity Question and related error on datasheet
Hello , I'm looking at the INA170 data sheet (high side current monitor, with offset current for bidirectional measurements).I'm looking at page 4 of the data sheet (SBOS193D), at the middle graph on...
View Articleanalog signal bandwidth
Hi,I need to find differential op-amp that should drive analog signal into flex flat cable with length of 2 meter.The analog signal is output with 128KHz clock. I found the two op-amp: LMV881 and...
View ArticleLM239A - Electrical characteristics
Hi all,Would you mind if we ask LM239A?<Question1>The data sheet shows that differential voltages are at IN+ with respect to IN-.Just in case, both IN+ and IN- should be in the range of input...
View ArticleOPA188/2188 comparator with hysteresis
Hello,I'd like to use the OPA2188 as a comparator with hysteresis.Unfortunately, it seems it doesn't work.I think my design is not good, because any comparator should be able to work as a comparator...
View ArticleAMC1200 reference design ：neither shunt nor transformer solution .
Dear sir Engineer of Our customer would like to have reference design of AMC1200 For 100V AC Inverter.Is there any good isolated solution of measuring 100V AC directry without tranceformer ?Also...
View ArticleLMH7220 Simulation
Hello,is it possible to simulate the comparator LMH7220 in the TINA program (or other CAD simulator)? Does a spice model for this component exist?.Thanks for your support.Best regards,Marco Mirra
View ArticleLOG114, for higher input current
hi my customer want to use this part with higher input current.From 10nA TO 100mA photo diode.VOLTAGE SHOULD BE BETWEEN 2.5 and 5.5VCurrent mirror doesn't work due to the VBE drop.Could you please...
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A Query about servo integrators on the "Ref" pin of the INA333 and some other...
Hi,I was looking at a long chain of threads talking about how the reference voltage of the INA333 is set by a voltage divider followed by a buffer and an Integrator circuit.However, I really haven't...
View ArticleMIC Preamp alternatives for INA163
I am working on a multichannel balanced audio input circuitry.The balanced audio input should be universal to allow greatest input level flexibility.It should support MIC input levels and standard...
View ArticleLOG114, for higher input current
hi my customer want to use this part with higher input current.From 10nA TO 100mA photo diode.VOLTAGE SHOULD BE BETWEEN 2.5 and 5.5VCurrent mirror doesn't work due to the VBE drop.Could you please...
View Articledudas con AFE031
estimatedcould help me with the following questions that I have about AFE031.setting the AFE031 in two-wire mode and connecting directly E_Rx_OUT E_Tx_IN and Tx / Rx USART of MCU. Is it possible to...
View ArticleBUF01900 power up sequence
Hi, I would like to know what are the effects if a wrong power up sequence is used in particular if VS starts before VSD.In addition to higher power dissipation as described in the datasheet, damage...
View ArticleXTR111
Hello,My question is what is surface mount metric code for the resistors(at the points REGF and REGS and another resistor RSET) surrounding the XTR111 high precision V-I converter.Thank you in advance
View ArticleACF2101 noise modeling
Hi, I have a use for the ACF2101 switched integrator that does not fit the datasheet usage. Instead of integrating photodiode current I am measuring charge from excess charged particles hitting a halo...
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