Get to know the new iC-PI: iC-Haus from Germany presents its new programmable 12-Bit Sin/Cos Interpolation IC with RS422 Driver. It is suitable for applications with magnetic and optical position sensors, linear scales and high-resolution angle sensing. Highlights at a glance: Latency-free sine-to-digital conversion (less than 250 ns) with up to 4000/4096 angle steps, AB output frequency of up to 10 MHz and a minimum AB transition distance of 25 ns.
iC-PI is an interpolator with a non-linear A/D converter which digitizes sine/cosine sensor signals using a count-safe vector tracking conversion with selectable resolution and hysteresis. The angle position is output incrementally by differential RS422 drivers as an encoder quadrature signal with a zero pulse. A pre-selectable minimum edge distance ensures glitch-free output signals and prevents counting errors which in turn boosts the noise immunity of the position encoder. The integrated signal conditioning unit allows signal amplitudes and offset voltages to be calibrated accurately.