Basic circuit diagram connection of signal and power INA166


Posted on Mar 28, 2007

As shown for the basic connection circuit INA166 signals and power. Chip power supply terminal to use 0.1 F tantalum capacitor filter, PCB layout should be as close to the chip


Basic circuit diagram connection of signal and power INA166
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tantalum capacitor power pin placement. Sense output voltage detection terminal connection, the connection must be reference terminal Ref low resistance connections to ensure a high common mode rejection ratio, if 5 series resistor will result in the common-mode rejection ratio decreased. Internal fixed gain of 2000, wherein the input stage A1, A2 gain 200, the gain of the output stage 10 A3. Between 3 feet and 12 feet to increase a gain setting resistor, RG can change the amplifier gain, the gain G 2000 + 60000/RG.




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