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ZMD31010
RBicLiteTM Low-Cost Sensor Signal Conditioner
Brief Description
The RBicLiteTM ZMD31010 is a sensor signal conditioner integrated circuit, which enables easy and precise calibration of resistive bridge sensors via EEPROM. When mated to a resistive bridge sensor, it will digitally correct offset and gain with the option to correct offset and gain coefficients and linearity over temperature. A second-order compensation can be enabled for temperature coefficients of gain or offset or bridge linearity. The RBicLiteTM communicates via ZMD's ZACwireTM serial interface to the host computer and is easily mass calibrated in a Windows(R) environment. Once calibrated, the output pin SigTM can provide selectable 0 to 1 V, rail-to-rail ratiometric analog output, or digital serial output of bridge data with optional temperature data.
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 Suitable for battery-powered applications Small SOP8 package
Available Support
*
Features
* Digital compensation of sensor offset, sensitivity,
temperature drift, and non-linearity
* * *
Development Kit available Multi-Unit Calibrator Kit available Support for industrial mass calibration available Quick circuit customization possible for large production volumes
Physical Characteristics
* * *
Supply voltage 2.7 to 5.5 V, with external JFET 5.5V to 30 V Current consumption depending on adjusted sample rate: 0.25 mA to 1 mA Wide operational temperature: -50 to +150C
* Accommodates differential sensor signal spans,
from 1.2 mV/V to 60 mV/V
* ZACwireTM One-Wire Interface (OWI) * Internal temperature compensation and detection
via bandgap PTAT (proportional to absolute temperature)
* Optional sequential output of both, temperature
absolute analog voltage, digital One-Wire Interface (OWI)
and bridge readings, on ZACwireTM digital output
ZMD31010 Application Circuit - Digital Output
Vsupply
* Output options: rail-to-rail analog output voltage,
VDD Bsink SigTM VBP
+4.5 to +5.5 V
* Fast response time, 1 ms (typical) * High voltage protection up to 30 V with
external JFET
OUT/OWI
ZMD31010
Vgate
* Chopper-stabilized true differential ADC * Buffered and chopper-stabilized output DAC
VBN VSS
0.1 F Ground
(c) 2009 ZMD AG -- Rev. 2.00 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.
ZMD31010
RBicLiteTM Low-Cost Sensor Signal Conditioner
ZMD31010 Block Diagram
Highly Versatile Applications in Many Markets Including
Industrial Building Automation Office Automation White Goods Automotive Portable Devices Your Innovative Designs
Rail-to-Rail Ratiometric Voltage Output Applications
Absolute Analog Voltage Output Applications
Ordering Examples (Please contact ZMDI Sales for additional options.)
Sales Code
ZMD31010CEB ZMD31010CEC ZMD31010CED ZMD31010CEG1 ZMD31010KIT
Description
ZMD31010 RBicLiteTM Die -- Temperature range:-50C to +150C ZMD31010 RBicLiteTM Die -- Temperature range:-50C to +150C ZMD31010 RBicLiteTM Die -- Temperature range:-50C to +150C ZMD31010 RBicLiteTM SOP8 (150 mil) -- Temperature range:-50C to +150C ZMD31010 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
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
ZMD America, Inc.
8413 Excelsior Drive Suite 200 Madison, WI 53717 USA Phone Fax
+49 (0)351.8822.7.772 +49(0)351.8822.87.772
+01 (608) 829-1987 +01 (631) 549-2882
+886.2.2377.8189 +886.2.2377.8199
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) 2009 ZMD AG -- Rev. 2.00 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.

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