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ZSSC30x6-KIT Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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2 / 49 page ZSSC3036 Low-Power 16-Bit Sensor Signal Conditioner IC © 2013 Zentrum Mikroelektronik Dresden AG — Rev. 1.20 — May 28, 2013. 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. For more information, contact ZMDI via mobile.sensing@zmdi.com. Brief Description The ZSSC3036 is a sensor signal conditioner (SSC) integrated circuit for high-accuracy amplification and analog-to-digital conversion of a differential input signal. Designed for high-resolution altimeter module applications, the ZSSC3036 can perform offset, span, and 1 st and 2nd order temperature compen- sation of the measured signal. Developed for correc- tion of resistive bridge sensors, it can also provide a corrected temperature output measured with an internal sensor. The measured and corrected bridge values are provided at the digital output pins, which can be configured as I 2C™* (≤ 3.4MHz) or SPI (≤ 20MHz). Digital compensation of signal offset, sensitivity, temperature, and non-linearity is accomplished via an 18-bit internal digital signal processor (DSP) run- ning a correction algorithm. Calibration coefficients are stored on-chip in a highly reliable, non-volatile, multiple-time programmable (MTP) memory. Pro- gramming the ZSSC3036 is simple via the serial interface. The IC-internal charge pump provides the MTP programming voltage. The interface is used for the PC-controlled calibration procedure, which pro- grams the set of calibration coefficients in memory. The ZSSC3036 provides accelerated signal process- ing in order to support high-speed control, safety, and real-time sensing applications. It complements ZMDI’s additional ZSSC30x6 products. Features Flexible, programmable analog front-end design; up to 16-bit scalable, charge-balancing two- segment analog-to-digital converter (ADC) Fully programmable gain amplifier accepting sensors from 14 to 72 (linear factor) Internal auto-compensated temperature sensor Digital compensation of individual sensor offset; 1 st and 2nd order digital compensation of sensor gain as well as of 1 st and 2nd order temperature gain and offset drift Fast sensing: 16-bit conditioned sensor signal measurement rate at more than 200s -1 Typical sensor elements can achieve accuracy of less than ±0.10% FSO** @ -40 to 110°C Benefits Integrated 18-bit calibration math DSP Fully corrected signal at digital output Layout customized for die-die bonding with sensor for high-density chip-on-board assembly One-pass calibration minimizes calibration costs No external trimming, filter, or buffering com- ponents required Highly integrated CMOS design Excellent for low-voltage and low-power battery applications Optimized for operation in calibrated resistive sensor modules Physical Characteristics Supply voltage range: 1.8 to 3.6V Current consumption: 1mA (operating mode) Sleep State current: 50nA (typical) Temperature resolution: <0.003K/LSB Operation temperatures: –40°C to +85°C –40°C to +110°C Small die size: 1.5mm² Delivery options: die for wafer bonding * I 2C™ is a trademark of NXP. ** FSO = Full Scale Output. ZSSC3036 Application Example |
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