The new INA333 is a is a zero-drift instrumentation amplifier from Texas Instruments with input bias current of 200 pA and quiescent current of 75 µA. Offset voltage is 25 µV, and offset drift is 0.1 µV/°C. The INA333 yields an input voltage noise of 50 nV/rt-Hz with a proprietary switched capacitor notch filter. The MSOP-8-packaged amplifier has 3 op-amp architecture and operates at 1.8 V. Special filters have been integrated in series with the inputs of the INA333 to reduce radio frequency (RF) interference. This feature can dramatically reduce susceptibility to RF-induced offset voltage variations, which can be a critical advantage in applications that require DC stability, such as weigh scales. The INA33 is well suited to applications such as portable medical equipment, handheld instrumentation, weigh scales, and data acquisition. Learn more at the TI website.Filtering plays a vital role in achieving EMC. Whether you’re posting a question, sharing a dilemma, or voicing your opinion, try the new Interference Technology Filters Forum.
Instrumentation Amplifier Includes Filters to Reduce RF Interference
