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The ZSSC4169DE1C device is an automotive sensor signal conditioning device launched by (Renesas), featuring SENT or I2C output. It is mainly used for high-precision amplification and digital calibration of differential bridge sensor signals. The following are its core features:

The differential bridge sensor input and on-chip or external temperature sensor can be selected to adjust the sensor input signal and/or temperature output

Extended temperature measurement options (i.e., internal sensor, external diode)

SENT interface; OWI or I²C options for calibration

Digital compensation is provided for the offset, gain, high-order nonlinearity and temperature coefficient of the input signal of the sensor under test

Operating temperature range: -40°C to 150°C

Accuracy: ±0.50% FSO from -40°C to 125°C

NVM memory is used to store configuration data, user-configurable measurements, adjustment functions, and data selected by the user

In addition, the maximum preamplifier range of ZSSC4169DE1C is 150 to 200, which is almost suitable for all types of resistance Bridges and voltage source sensors. Digital compensation for offset, sensitivity, temperature drift and nonlinearity is accomplished by a 16-bit RISC microcontroller. Calibration coefficients and configuration data are stored in an integrated non-volatile memory (NVM), which is highly reliable in automotive applications. The measured values can be read via digital SENT. The SENT interface can transmit sensor data through its fast channel and supplementary data through its serial data message (" slow ") channel using only one output pin. Offline calibration is supported via the I²C interface or through the single-wire interface (OWI) via the data output pin (DOUT).

Technical parameters

Power supply voltage: 4.75V to 5.25V

Overvoltage and reverse polarity protection up to ±18V

The input range of the column bridge sensor is 1 to 800 mV/V

The ADC resolution of the <s:1> bridge sensor signal: 14 bits

Youdaoplaceholder3 Output resolution: 12 bits via SENT interface

Typical applications

Throttle fluid braking pressure sensor (PV

"Hydraulic sensing (e.g., steering system with hydraulic steering bracket)

Pneumatic pressure sensing (e.g., air braking system;) Pneumatic shock absorber

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