Precision Amplifiers

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Precision Amplifiers

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current sensor
Related Posts

  • Forum Post: Can't get the INA122 working correctly

    Ed Mauro
    I'm trying to read the values off a CSLA2CD hall effect current sensor running off of a 9V regulator. The 9V regulator also drives the INA 122. The signal off of the current sensor sits on 4.5V (no current detected) and goes up as more current passes through the device. I'm using an INA22 to...
    on Aug 22, 2009

  • Forum Post: ACF2101 Switched Integrator

    WILLIAM ARCHAMBEAULT
    Hi All: I am working with a design that uses the IVC102 but I need to add a null offset to the input to zero the detector offset out. The IVC102 does not have an input that I can use on that chip but the ACF2101 show that it has both the + and - input available on the chip but can use it? I noticed...
    on Nov 17, 2010

  • Forum Post: Please recommend an amp for my application

    Inyong Kwon
    Hello. I am a graduate student in U of Michigan. Our research group has made photodetectors by ourselves. It has been very successful. Now, for the next step, we would like to see the current shape from our detector on a oscilloscope. So, we are looking for special amplifiers because the output current...
    on Sep 13, 2011

  • Forum Post: Current Shunt Monitor

    Alexandre Imbeault
    Hello, I'm looking for a way to measure a current from -300A to 300A. I want to use a current shunt monitor like the INA193 that will read the voltage drop across a shunt resistor. If I supply it with 5V, my output should be from 0V to 5V and match with -300A to 300A. So, a reading of 2,5V should...
    on Jan 25, 2012

  • Forum Post: Low Side Current Measurement

    Alexandre Imbeault
    Hello, I want to use a current shunt monitor (INA214) with a shunt resistor of 0.000167 ohms with a current passing through of -300A to 300A this correspond to a voltage drop of 50mV. Is it possible to use the current monitor on low side and read a bi-directionnal voltage from -50mV to 50mV? Thank...
    on Jan 25, 2012

  • Forum Post: lmp8640 problem

    Tan Chin Yew
    halo all, i am using the lmp8640, and Vcc=5, Vout to adc is 1.5V, sense resistor =3mili ohm; the problem with this high voltage current sense amplifier is too small, and only written AF6A, so i didnt which side is the 1st pin ? and the value of filter resistor and capacitor is...
    on Apr 2, 2012

  • Forum Post: how can i design the circuit to amplfy the current singal from 8.7nA to 600uA.

    zumao xu
    Hi: our current singal is from 8.7nA to 600uA ,and the singal frequecy is less than 20hZ ,the AD reference voltage is 1.2V, and the measurement accuracy is 0.5%. At first ,i selected the OPA2376 to amplify the singal becuase the offset voltage and bias current is very good for us .the circuit stucture...
    on Nov 26, 2012

  • Forum Post: (Signal Conditioning Circuit) Current sensing

    mohammad sleiman
    Hello everyone... I am designing a current measurement circuit using a CT(current transformer, 5A/5mA, TA12-100). The measured signal must be mapped into a 0-5V voltage signal for the microController's A/D to read. However we must put a small resistance at the CT terminals, so what is the best conditioning...
    on May 1, 2011

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