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IC-MQF Datasheet(PDF) 1 Page - IC-Haus GmbH |
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IC-MQF Datasheet(HTML) 1 Page - IC-Haus GmbH |
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1 / 38 page  preliminary preliminary iC-MQF PROGRAMMABLE 12-BIT Sin/Cos INTERPOLATION IC WITH RS422 DRIVER Rev C1, Page 1/38 FEATURES • Latency-free sine-to-digital conversion to 4000 angle steps • Input frequency: 200 kHz (x10), 20 kHz (x100), 2 kHz (x1000) • Flexible pin assignment due to signal path multiplexers • PGA inputs for differential and single-ended signals • Variable input resistance for current/voltage conversion • Signal conditioning for offset, amplitude and phase • Controlled 50 mA current source for LED or MR sensor supply • Fault-tolerant RS422 outputs with 50 mA sink/source drive current • Preselectable minimum phase distance for spike-proof counter stimulus • Zero signal conditioning and electronic index pulse generation • Signal and operation monitoring with configurable alarm output, output shutdown and error storage • I2C multimaster interface for in-circuit calibration and parameters (EEPROM) • Adjustable overtemperature alarm and shutdown • Supply from 4.3 to 5.5 V, operation from -40 to +100 °C • Reverse-polarity-proof including the sub-system APPLICATIONS • Optical and magnetic position sensors • Linear scales • High-resolution angle sensing PACKAGES TSSOP20 BLOCK DIAGRAM REVERSE POLARITY MONITORING CH2 CH1 Tw Toff SERIAL I2C DIGITAL DRIVER PA NZ PZ NB PB ERR VDD GND X3 SCL SDA X4 X5 X6 X1 X2 VDDS GNDS ACO INTERFACE SINE-TO-DIGTIAL CH0 iC-MQF REGISTER CONFIGURATION PROTECTION PGA INPUT SIGNAL PATH MUX CALIBRATION SIGNAL LEVEL NA PHI CONTROLLER OUTPUT CONVERSION x x x + - I/V I/V x x x I/V x x x - - - + I/U I/V I/V ADJ PWRon ZIN LineCount Monitor Sin/Cos Monitor C x + - x x I/V I/V x x x I/V x - - - x x I/U I/V I/V + Copyright © 2009, 2015 iC-Haus http://www.ichaus.com |
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