Analog Devices Inc. ADA4558 Bridge Sensor Signal Conditioner IC
Analog Devices ADA4558 Bridge Sensor Signal Conditioner IC provides digital nonlinearity correction and temperature compensation via internal or external sensed temperatures. This is done using on-chip correction and calibration hardware that can be optimized for a specific bridge sensor. The ADA4558 utilizes a fourth-order digital correction algorithm and delivers a system accuracy of 0.1% full scale range (FSR) for bridge sensors with second-order nonlinearity sensitivity. The ADA4558 includes a local interconnect network (LIN) physical interface for single-wire, high-voltage communications in automotive environments. LIN 2.1 and earlier versions are supported. The LIN interface allows access to measurements, end of line (EOL) calibration, and a wide range of diagnostic functions.
Features
LIN 2.1 compliant interface (bridge sensor signal, temperature)Digitally programmable gain and offset voltage adjustmentGain range from 2.94V/V to 971.10V/VSensor temperature compensation (first- or second-order)Sensor nonlinearity correction (first- or second-order)Internal or external temperature sensor compensationEEPROM nonvolatile memory for calibration data
Applications
Strain gagePressure signal conditioner for automotive vehicles
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