Sensor Signal Processor IC

The Elmos SSPs are suitable for numerous automotive applications. Pressure, torque and related physical parameters can be measured with resistive MEMS, ceramic or metal film measuring bridges. The ICs feature a broad adjustment range, straightforward calibration via a serial input/output (SIO) for the entire system and extensive configuration options. They also have comprehensive, integrated self-test functions and are highly robust against overvoltage, especially for automotive applications.

Part-No. / Function	Output	Range	V_SUPPLY	Package	Comment
E520.42 Automotive SSP with Analog or Sent Output	5V Ratiometric Voltage SENT interface	Sensor Sensitivity 0.8mV/V to 50mV/V	5V ±0.5V	QFN20L4 Bare-Die	Automotive protection +40 / -28V Very low noise front-end Trimmable input low-pass filter Comprehensive self diagnostics SENT interface (SAE J2716, Jan 2010)
E520.47 Dual-Bridge Sensor Signal Processor with SENT Interface	SENT or I²C	Sensor Sensitivity 3mV/V to 56mV/V	5V ±0.25V	QFN20L4 Bare-Die	Automotive protection +35/-18V Two fully redundant sensor bridge inputs ISO26262 development for ASIL C support Configurable SENT interface AECQ-100 qualified
E703.11 Sensor Signal Processor for High Precision Applications	SPI or I²C with CRC, Analog voltage, PWM or FM, End of Conversion/Alarm	Sensor Sensitivity 2 mV/V to 88mV/V	2.7V to 5.5V	DFN14_3x4 Bare-Die	Developed for Industrial Applications Precision front end with two 16-bit ADC's Configurable sample rate (2..50kS/s) and low pass filter (10Hz..8kHz) 3^rd order polynomial sensor correction Sleep mode available (I<20μA)
E703.21 Sensor Signal Processor for Industrial Pressure Transmitter	4 .. 20mA Current Loop 0..5V/10V Absolute Voltage 5V Ratiometric Voltage	Sensor Sensitivity 2mV/V to 88mV/V	4.75V to 32V	DFN14_3x4	Developed for Industrial Applications Precision front end with two 16-bit ADC's Sensor Calibration via Output Pins Precise current sense shunt Integrated voltage regulator

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