Basic Connection circuit diagram INA326 327 signals and power

Posted on Mar 28, 2007

As shown for the basic connection circuit INA326/327 signals and power. Selection of the highest accuracy 0.1 F capacitor as power supply filtering, and should be as close to t

Basic Connection circuit diagram INA326 327 signals and power
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he chip supply pin placement. Ro, Co is the output filter can filter out the noise output of the circuit; at the same time as the next stage input filter circuit, such as analog - digital converter input filter. R2 // C2 output voltage is ground referenced. Co and C2 joint formed at 1kHz frequency response of -3dB poles, each pole is 1.5kHz. And other instrumentation amplifiers, INA326/327 with a unique in-house technology to achieve excellent common-mode rejection ratio, and thus there is a connection during the contact resistance (such as socket contact resistance), does not make the common-mode rejection ratio is reduced. In order to achieve better high-frequency CMR, you can add a small capacitor between 1,8 feet.

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