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ZSC31150FEG1-T Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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ZSC31150FEG1-T Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers |
2 / 25 page ZSC31150 Fast Automotive Sensor Signal Conditioner © 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.08 All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice. Brief Description The ZSC31150 is a CMOS integrated circuit for highly-accurate amplification and sensor-specific correction of bridge sensor signals. Digital compensation of sensor offset, sensitivity, temperature drift, and non-linearity is accomplished via an internal 16-bit RISC microcontroller running a correction algorithm, with calibration coefficients stored in an EEPROM. The ZSC31150 is adjustable to nearly all bridge sensor types. Measured values are provided at the analog voltage output or at the digital ZACwire TM and I²C TM interface. The digital interface can be used for a simple PC-controlled calibration procedure, in order to program a set of calibration coefficients into an on-chip EEPROM. Thus, a specific sensor and a ZSC31150 are mated digitally: fast, precise, and without the cost overhead associated with trimming by external devices or a laser. Features Digital compensation of sensor offset, sensitivity, temperature drift, and non-linearity Adjustable to nearly all bridge sensor types, analog gain of 420, overall gain up to 2000 Output options: ratiometric analog voltage output (5 - 95% in maximum, 12.4 bit resolution) or ZACwire TM (digital one-wire- interface) Temperature compensation: internal or external diode, bridge resistance, thermistor Sensor biasing by voltage or constant current Sample rate up to 7.8 kHz High voltage protection up to 33 V Supply current: max. 5.5mA Reverse polarity and short circuit protection Wide operation temperature up to -40…+150°C Traceability by user-defined EEPROM entries Several safety and diagnostic functions Benefits No external trimming components required Only a few external protection devices needed PC-controlled configuration and One-Shot calibration via I²C TM or ZACwireTM interface: Simple, cost efficient, quick, and precise End-of-Line calibration via I²C TM or ZACwireTM interface High accuracy (0.25% FSO @ -25 to 85°C; 0.5% FSO @ -40 to 125°C) The ZSC31150 is optimized for automotive environments by its special protection circuitry and excellent electromagnetic compatibility Available Support Evaluation Kits Application Notes Mass calibration setup Physical Characteristics Supply voltage 4.5 to 5.5 V Operation temperature: -40°C to 125°C (-40°C to +150°C derated, depending on product version) Available in SSOP 14 or as die ZSC31150 Application Circuit GND OUT VCC Sensor Module ZSC 31150 |
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