Interpolator iC-MN

Applications Multi-channel sine-to-digital converter Optical and magnetic position sensors Singleturn and multiturn absolute encoders Linear scales for absolute position Resolver systems Features 3 chan. simultaneous sampling 13 bit sine-to-digital conversion Differential and single-ended PGA inputs to 200 kHz Input adaptation to current or voltage signals Adjustable signal conditioning for offset, amplitude and phase Input signal stabilization by LED or MR bridge supply tracking (via controlled 50 mA and 2 x 10 mA highside sources) 2 or 3 track nonius calculation of up to 25 bit singleturn position Data update within 7 μs supported by flash period counting Serial 2-wire interface to multiturn sensors (BiSS, SSI, 2-bit) Fast, serial I/O interface with fail-safe RS422 transceiver (SSI to 4 MHz, BiSS C to 10 MHz) Differential 1 Vpp sin/cos outputs to 100 Ohm, short-circuit-proof Position preset function, selectable up/down code direction Signal and system monitoring with configurable error/warning messaging and diagnosis memory Device setup via I/O interface (BiSS) or serial EEPROM Reverse-polarity-proof and tolerant against faulty output wiring Power-good switch protecting the peripheral circuitry Single 5 V supply, operation from -40 to +95 (+110) °C