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ZSSC3170FE1B Datasheet(PDF) 1 Page - Integrated Device Technology |
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ZSSC3170FE1B Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 30 page  Automotive Sensor Signal Conditioner with LIN and PWM Interface ZSSC3170 Datasheet © 2016 Integrated Device Technology, Inc. 1 May 30, 2016 May 27, 2016 Brief Description The ZSSC3170 is a CMOS integrated circuit for highly accurate amplification and sensor specific correction of bridge sensor signals. Featuring a maximum analog gain of 420, as well as extended offset compensation capabilities, the ZSSC3170 is adjustable to nearly all resistive bridge sensor types. Digital compensation of offset, sensitivity, temperature drift, and nonlinearity is accomplished via a 16-bit RISC microcontroller. Conditioning coefficients are stored in an EEPROM certified for automotive appli- cations. Measured values are provided by one of the digital LIN or PWM interfaces. Each interface can support end-of-line calibration using the sensor output. Noise sensitivity is greatly reduced because the calibration equipment and the ZSSC3170 are mated digitally. For quick and easy evaluation and support for calibrating prototypes, IDT offers the ZSSC3170 SSC Evaluation Kit, which includes evaluation hardware, SSOP20 samples, and software. Features Complies with LIN specifications 1.3 / 2.0 / 2.1 Configurable LIN publisher frame content Data conversion rate of up to 430Hz fully utilizes the maximum LIN channel capacity of 20kbit/s PWM high-side and low-side switches, support for LIN communication for end-of-line calibration Digital compensation of offset, gain, temperature effects up to 2 nd order, and nonlinearity up to 3rd order. Compensation of temperature sensor offset, gain, and nonlinearity up to 2 nd order. Internal or external temperature reference Media temperature sensing by diode or RTD Load dump protection of the LIN pin up to ±40V Accuracy ±0.25% FSO @ -20 to 85°C ±0.50% FSO @ -40 to 125°C ±1.00% FSO @ -40 to 150°C 3 EEPROM words available for optional user data Benefits Measurement and temperature signal available via one output pin Compatible with nearly all resistive bridge inputs No external trimming components required Single-pass calibration minimizes calibration costs End-of-line calibration using sensor output Optimized for automotive environments with special protection circuitry, excellent electro- magnetic compatibility, and numerous diagnostic features; AEC-Q100-qualified Available Support Evaluation Kit Application Notes Calculation Tools Physical Characteristics Supply voltage: 7 to 18 V Current consumption in Sleep Mode: ≤ 100μA Input span: 1.8 to 267 mV/V ADC resolution: 13 to 14 bit Output resolution: up to 12-bit (LIN and PWM) Operating temperature range: -40 to 125°C Extended operating temperature range: ≤150°C RoHS-compliant delivery form options: SSOP20, DFN20, or die ZSSC3170 Basic Circuit LIN VBAT GND |
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