MLX90328LDC-DBA-000-SP

Sensor And Detector Interfaces Overview

The MLX90328LDC-DBA-000-SP is an automotive sensor interface IC designed for piezoresistive pressure sensors. It features a single SOIC-8 package and operates within a temperature range of -40°C to 150°C. The nominal supply voltage is 5V, with a maximum rating of 18V. It provides a ratiometric analog output with a typical response time of 1 ms. The device includes a 16-bit ADC, DSP-based signal conditioning, and EEPROM for storing calibration data.

Sensor And Detector Interfaces Feature Summary

• Integrated signal conditioning including gain adjustment, offset control, and temperature compensation
• Single-wire serial programming capability through the analog output pin
• Built-in input diagnostics for broken wires and short circuits
• Robust design for harsh automotive environments with overvoltage protection

Sensor And Detector Interfaces Applications

• Piezoresistive automotive pressure sensors interface
• Sensors based on Wheatstone bridge resistors

Sensor And Detector Interfaces Procurement Notes

Verify the specific ordering suffix DBA-000 against the manufacturer's current documentation to confirm exact configuration details. Ensure the SOIC-8 plastic small outline package meets your PCB layout requirements. Confirm that the -40°C to 150°C operating temperature range aligns with your system's environmental specifications before finalizing procurement.

Sensor And Detector Interfaces Selection Notes

Select this component when interfacing with resistive Wheatstone bridge sensors requiring high accuracy in automotive applications. The integrated DSP allows for flexible calibration of non-linearities and temperature drifts. Consider the 16-bit ADC resolution and programmable filter settings if precise noise-to-speed trade-offs are required for your specific pressure sensing application.

Sensor And Detector Interfaces Part Context

This part belongs to the MLX90328 family of automotive sensor interface ICs from Melexis. It is specifically engineered to handle signals from piezoresistive sensing elements. The LDC designation indicates the temperature grade and SOIC-8 package type, while the DBA-000 option code specifies the particular configuration variant within this product line.

Sensor And Detector Interfaces Replacement Considerations

Consult official Melexis documentation for confirmed substitute part numbers. Verify compatibility regarding package dimensions, electrical specifications, and functional behavior before replacing existing components in a design.

Sensor And Detector Interfaces FAQ

How is the MLX90328 programmed?

The device is programmed via a single-wire serial interface using the output pin. Compensation values are stored in EEPROM and can be reprogrammed using Melexis tools.

What diagnostic features are included?

The IC includes input diagnostics for broken wires (InP/InN), short circuits to ground or Vbrg, and supply voltage monitoring. These can be enabled or disabled based on application needs.

What is the typical response time?

The typical response time is 1 ms, measured as the time needed for the output to change from an input pressure step to 90% of its final value using specific filter settings.