INA Datasheet, INA Fast Settling FET-Input Instrumentation Amplifier Datasheet, buy INA 11 Apr The INA is a high speed, FET-input instrumenta- tion amplifier offering excellent performance. The INA uses a current-feedback. INABP ti INA, High Speed Fet-input Instrumentation Amplifier. FEATURES. q FET INPUT: = 20pA max q LOW OFFSET VOLTAGE: ┬ÁV max q LOW.

Author: Kazishakar Dokazahn
Country: Brazil
Language: English (Spanish)
Genre: Health and Food
Published (Last): 9 April 2014
Pages: 199
PDF File Size: 20.48 Mb
ePub File Size: 3.5 Mb
ISBN: 738-6-55243-286-6
Downloads: 96928
Price: Free* [*Free Regsitration Required]
Uploader: Mujar

I don’t know what to do with cable A and cable B.

Keep as close to amp as possible. Cadence Virtuoso run different version called version 2. Apr 5, 18, 3, Instead the common mode cancellation biases the inputs at 0V.

I could either measure close to the inductor coil and send the amplified signal two meters away, or let the cables run for two meters. Mar 14, 19, 5, I thought that it was an in-circuit concept. Initial value depending on the input So it seems to indicate, that you have inna111 another issue into your circuit.

[SOLVED] INA JFET instr amp application noisy?

I said to connect each input to ground with a 1M resistor, not a series resistor. You May Also Like: Dec 2, 5. Should I use other regulator? As for cable noise try the bootstrap trick bias the shield some INAs have a bootstrap output just for that reason.


Yes, my password is: The circuit is a modification from figure 7. Dec 2, 1. They’re 8 years old. I never thought the power supply ina1111 be critical for a bit app and and instr amp; I’ve never seen appnotes or books bothering with other than LM Hi allI’m working on INA instrumentation amplifier where I’m input the value of Vp-p and 68kHz frequency and set the gain as given in datasheet – equation to – gainWhen I’m connecting the input from a Function generatorthe value is amplified correctly and output of about 12 Vp-p approx.

INA 111 AU

If it’s critical, a lower noise amplifier may be preferable. Fuse Amperage Determination Circuit Dual-channel DMM puts two 7.

Interferences from switching power supplies or AM radio? Here we learn where these transforms come from. Potentiometer with Microcontroller 3. You much have the human body connected to circuit ground it will not work properly with a floating source as you show in the schematic.

INA AU: Instrumentation amplifier, SOW at reichelt elektronik

My shielded cable has 5 nF capacitance and the sensor is 5 ohm. If I turn the supply off so that my circuit runs on the uF capacitors alone, the 60 Hz noise goes away. Ina1111 and final energy stored in a capacitor Your name or email address: I’m just afraid my 5 mV signal will become swamped by noise and cable inductance the coil resistance is 5 ohm I think.

Most Related  ASTM E331 PDF

Noise measured with an oscilloscope is uV. Is this a in1a11 Depending on the nature of the unwanted signal, the measures to reduce it would be quite different.

Maximum power point in solar converter What do you see? Dec 2, 4. Common mode chokes can partly reduce it, but for sensitive measurements, differential probes are mandatory. Is this a sign that they may be damaged?

I’m considering using the ADrated for 10 MHz. Dec 2, The amp input needs a return for its input bias current. But When the Input is connected from the pair of electrodes from the Human body which senses the voltage drop of Vp-pthe output of INA is not gained properly – output of 2.

Maybe my sensor inz111 picking up the supply magnetic field. I’m making a bit app. But it’s a problem in oscilloscope measurement, not in normal circuit operation. I also see some strange high-freq noise from the supply electrolytic capacitors. Dec 3,

Back To Top