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| ZMD31015 RBicdLiteTM Low-Cost Sensor Signal Conditioner with Diagnostics Brief Description The RBicdLiteTM is adjustable to nearly all piezo-resistive bridge sensors. Measured and corrected bridge values are provided at the SIGTM pin, which can be configured as an analog voltage output or as a onewire serial digital output. The digital one-wire interface (OWI) can be used for a simple PC-controlled calibration procedure to program a set of calibration coefficients into an onchip EEPROM. The calibrated RBicdLiteTM and a specific sensor are mated digitally: fast, precise, and without the cost overhead associated with trimming by external devices or laser. Integrated diagnostics functions make the RBicdLiteTM particularly well-suited for automotive applications.* Benefits No external trimming components required PC-controlled configuration and calibration via one-wire interface - simple, low cost High accuracy (0.1% FSO @ -25 to 85C; 0.25% FSO @ -50 to 150C) Single-pass calibration - quick and precise Available Support Development Kit available Multi-Unit Calibrator Kit available Support for industrial mass calibration available Quick circuit customization possible for large production volumes Features Digital compensation of sensor offset, sensitivity, temperature drift, and non-linearity Programmable analog gain and digital gain; accommodates bridges with spans < 1mV/V and high offset Many diagnostic features on chip (e.g., EEPROM signature, bridge connection checks, bridge short detection, power loss detection) Independently programmable high and low clipping levels 24-bit customer ID field for module traceability Internal temperature compensation reference (no external components) Option for external temperature compensation with addition of single diode Output options: rail-to-rail ratiometric analog voltage (12-bit resolution), absolute analog voltage, digital one-wire interface Fast power-up to data out response; output available 5ms after power-up Current consumption depends on programmed sample rate: 1mA down to 250A (typical) Fast response time: 1ms (typical) High voltage protection up to 30V with external JFET Physical Characteristics Wide operation temperature: -50C to +150C Supply voltage 2.7 to 5.5V; with external JFET, 5.5 to 30V Small SOP8 package ZMD31015 Application Circuit Vsupply +2.7 to +5.5 V VDD SIGTM OUT/OWI ZMD31015 VBP Vgate VBN VSS 0.1 F Ground * Not AEC-Q100-qualified. (c) 2010 ZMD AG -- Rev. 1.2 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. ZMD31015 RBicdLiteTM Low-Cost Sensor Signal Conditioner with Diagnostics ZMD31015 Block Diagram Highly Versatile Applications in Many Markets Including Industrial Building Automation Office Automation White Goods Automotive * Portable Devices Your Innovative Designs * Not AEC-Q100-qualified. Rail-to-Rail Ratiometric Voltage Output Applications Absolute Analog Voltage Output Applications Ordering Examples (Please contact ZMDI Sales for additional options.) Sales Code ZMD31015DEB ZMD31015DEC ZMD31015DED ZMD31015DEG1 ZMD31015KIT Description ZMD31015 RBicdLiteTM Die -- Temperature range: -50C to +150C ZMD31015 RBicdLiteTM Die -- Temperature range: -50C to +150C ZMD31015 RBicdLiteTM Die -- Temperature range: -50C to +150C ZMD31015 RBicdLiteTM SOP8 (150 mil) -- Temperature range: -50C to +150C ZMD31015 SSC Evaluation Kit: Communication Board, SSC Board, Sensor Replacement Board, Evaluation Software, USB Cable, 5 IC Samples Package Unsawn on Wafer Sawn on Wafer Frame Waffle Pack Tube: add "-T" to sales code Reel: add "-R" Kit Sales and Further Information Zentrum Mikroelektronik Dresden AG (ZMD AG) Grenzstrasse 28 01109 Dresden Germany Phone Fax +49 (0)351.8822.7.772 +49(0)351.8822.87.772 www.zmdi.com ZMD AG, Japan Office 2nd Floor, Shinbashi Tokyu Bldg. 4-21-3, Shinbashi, Minato-ku Tokyo, 105-0004 Japan Phone Fax +81.3.6895.7410 +81.3.6895.7301 sales@zmdi.com ZMD Far East, Ltd. 3F, No. 51, Sec. 2, Keelung Road 11052 Taipei Taiwan Phone Fax +886.2.2377.8189 +886.2.2377.8199 ZMD America, Inc. 8413 Excelsior Drive Suite 200 Madison, WI 53717 USA Phone Fax +01 (608) 829-1987 +01 (631) 549-2882 DISCLAIMER: This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Zentrum Mikroelektronik Dresden AG (ZMD AG) assumes no obligation regarding future manufacture unless otherwise agreed to in writing. The information furnished hereby is believed to be true and accurate. However, under no circumstances shall ZMD AG be liable to any customer, licensee, or any other third party for any special, indirect, incidental, or consequential damages of any kind or nature whatsoever arising out of or in any way related to the furnishing, performance, or use of this technical data. ZMD AG hereby expressly disclaims any liability of ZMD AG to any customer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liability of ZMD AG for any damages in connection with or arising out of the furnishing, performance or use of this technical data, whether based on contract, warranty, tort (including negligence), strict liability, or otherwise. (c) 2010 ZMD AG -- Rev. 1.2 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. |
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