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Block Diagram
iC-MD 48-Bit Quadrature Counter with RS422 Receiver and SPI/BiSS Interface

Applications	PLC interface to linear scales and rotary encoders Digital gauges with touch probe function for heigth and length measurement Motion control Quadrature encoder interfacing and processing

Features	Counter resolutions: 16, 24, 32 and 48 bit Up to 3 AB/ABZ quadrature counters configurable High count frequency of up to 40 MHz Pin triggered touch probe function Evaluation of distance-coded reference marks Cascading/bus capable via SPI and BiSS C Interface RS422, TTL, CMOS, LVDS input signals Operating temperature -40 °C to +125 °C, small TSSOP package 1 Channel 16, 24, 32 or 48 bit counting for quadrature signals with index (TTL, diff. RS422 or LVDS) Default: 1x A/B/Z, RS422, 24 bit 2 Channel 16/24 bit, or 16/32 bit counting (2x single-ended TTL with index: A/B/Z) 3 Channel 16 bit counting (3x single-ended TTL: A/B) Two actuator output signals Operation from 3.3 V to 5 V

Packages

iC-MD 48-Bit Quadrature Counter with RS422 Receiver and SPI/BiSS Interface