Request InfoPI (Physik Instrumente) LP, Motion Control, Air Bearings, Piezo MechanicsPI (Physik Instrumente) LP offers the E-727 multichannel digital piezo controller, with higher performance and a lower price than its predecessor model. The 20-bit DAC & ADC converters keep the controller operating with high resolution and ultralow noise, along with four integrated power amplifiers for multilayer piezo drives with operating voltage of −30 to 130 V. Linearization based on 4th order polynomials provides higher positioning accuracy. The Dynamic Digital Linearization (DDL) feature eliminates nonlinearities at high operating frequencies. 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