ZSC31050 Advanced Differential Sensor Signal Conditioner Brief Description Features ZSC31050 is a CMOS integrated circuit for highly accurate amplification and sensor-specific correction of bridge sensor and temperature sensor signals. The device provides digital compensation of sensor offset, sensitivity, temperature drift, and non-linearity via a 16-bit RISC microcontroller running a polynomial correction algorithm. Digital compensation of sensor offset, sensitivity, The ZSC31050 accommodates virtually any bridge sensor type (e.g., piezo-resistive, ceramic thick-film, or steel membrane based). In addition, it can interface to a separate temperature sensor. The bi-direc2 tional digital interfaces (I C™*, SPI, and ZACwire™) can be used for a simple PC-controlled one-pass calibration procedure to program a set of calibration coefficients into an on-chip EEPROM. A specific sensor and a ZSC31050 can be mated digitally: fast, precise and without the cost overhead associated with trimming by external devices or laser. The ZACwire™ interface enables an end-of-line calibration of the sensor module. Typical applications for the ZSC31050 include industrial, medical, and consumer products. It is specifically engineered for most resistive bridge sensors; e.g., sensors for measuring pressure, force, torque, acceleration, angle, position, and revolution. temperature drift, and nonlinearity Accommodates nearly all resistive bridge sensor types (signal spans from 1mV/V up to 275mV/V) Digital one-pass calibration: quick and precise Selectable compensation temperature source: bridge, thermistor, or internal or external diode Output options: voltage (0 to 5V), current 2 (4 to 20mA), PWM, I C™, SPI, ZACwire™ (one-wire interface), alarm Adjustable output resolution (up to 15 bits) versus sampling rate (up to 3.9kHz) Current consumption: 2.5mA (typical) Selectable bridge excitation: ratiometric voltage, constant voltage, or constant current Input channel for separate temperature sensor Sensor connection and common mode check (sensor aging detection) AEC-Q100 qualification (temperature grade 0) Physical Characteristics Operation temperature -40 to +125°C (-40 to +150°C de-rated, depending on product version) Supply voltage: 2.7 to 5.5 V; with external JFET: 5 to 40 V Available in SSOP16 package or as die Benefits No external trimming components required PC-controlled configuration and calibration via ZSC31050 Overview digital bus interface – simple, low cost High accuracy (±0.1% FSO @ -25 to 85°C; ±0.25% FSO @ -40 to 125°C) VCC † Available Support Evaluation kit available Sensor Module ZSC31050 OUT Support for industrial mass calibration available Quick circuit customization possible for large production volumes GND * I2C™ is a trademark of NXP. † Digital output signal. For more information, contact ZMDI via [email protected] © 2015 Zentrum Mikroelektronik Dresden AG — Rev. 1.21 —July 27, 2015. 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. ZSC31050 Advanced Differential Sensor Signal Conditioner ZSC31050 Block Diagram Ext. Temp. Sens. IR_TEMP CTRL-REGS SIF VBR + Gain Factor Temp. Sens. Select PCOMP ADC Mode Offset Shift RAM VINP PGA MUX ADC CMC DAC FIO1 OUT / OWI PWM FIO2 IO1 IO2 VINN Analog Front-End (AFE) SCL SDA EEPROM Int. Temp. Sensor External Temperature Sensor Digital Section Sensor Bridge Typical Applications: Interfaces IN3 Consumer Goods Industrial Applications Portable Devices Automotive Sensors* Weight scales Flow meters Strain gauges Load meters HVAC 4-20mA transmitters Intelligent sensor networks Process automation Factory automation Altimeters Blood pressure monitors Oil pressure Temperature sensing Strain gauges * AEC-Q100 qualified Ordering Information (Please refer to section 8 in the data sheet for additional options.) Product Sales Code Description Package ZSC31050FEB ZSC31050 Die — Temperature range: -40°C to +150°C Unsawn on Wafer ZSC31050FEC ZSC31050 Die — Temperature range: -40°C to +150°C Sawn on Wafer Frame ZSC31050 SSOP-16 — Temperature range: -40°C to +150°C Tube: add “-T” to sales code Reel: add “-R” ZSC31050KIT Evaluation Kit V3.1 Modular ZSC31050 SSC Evaluation Kit: three interconnecting boards, five ZSC31050 SSOP-16 samples Kit ZSC31050 Mass Calibration System V1.1 Modular Mass Calibration System (MSC) for ZSC31050: MCS boards, cable, connectors Kit ZSC31050FEG1 Sales and Further Information www.zmdi.com [email protected] Zentrum Mikroelektronik Dresden AG Global Headquarters Grenzstrasse 28 01109 Dresden, Germany ZMD America, Inc. 1525 McCarthy Blvd., #212 Milpitas, CA 95035-7453 USA Central Office: Phone +49.351.8822.306 Fax +49.351.8822.337 USA Phone 1.855.275.9634 Phone +1.408.883.6310 Fax +1.408.883.6358 European Technical Support Phone +49.351.8822.7.772 Fax +49.351.8822.87.772 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. European Sales (Stuttgart) Phone +49.711.674517.55 Fax +49.711.674517.87955 Zentrum Mikroelektronik Dresden AG, Japan Office 2nd Floor, Shinbashi Tokyu Bldg. 4-21-3, Shinbashi, Minato-ku Tokyo, 105-0004 Japan ZMD FAR EAST, Ltd. 3F, No. 51, Sec. 2, Keelung Road 11052 Taipei Taiwan Phone +81.3.6895.7410 Fax +81.3.6895.7301 Phone +886.2.2377.8189 Fax +886.2.2377.8199 Zentrum Mikroelektronik Dresden AG, Korea Office U-space 1 Building Unit B, 906-1 660, Daewangpangyo-ro Bundang-gu, Seongnam-si Gyeonggi-do, 463-400 Korea Phone +82.31.950.7679 Fax +82.504.841.3026 © 2015 Zentrum Mikroelektronik Dresden AG — Rev. 1.21 —July 27, 2015. 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.