MLX90314LDF-BAA-000-RE

Sensor And Detector Interfaces Overview

The MLX90314LDF-BAA-000-RE is a programmable sensor interface IC designed for microprocessor-controlled signal conditioning of bridge-type sensors. It operates with an unregulated supply voltage (VDD1) ranging from 6 to 35 VDC and provides a regulated internal supply of 4.75 VDC. The device features a hardware gain range of 69 to 84 V/V, an overall non-linearity of ±0.25%, and a bandwidth of up to 4.2 kHz. Output configurations include voltage modes spanning 4.5–6.5 V or 6.5–11 V, and current modes with spans up to 23 mA. Programming is performed via a UART interface at baud rates of 2400 or 9600.

Sensor And Detector Interfaces Feature Summary

• Microprocessor-controlled signal conditioning with reprogrammable EEPROM coefficients for high-order temperature and linearity compensation.
• Versatile output signal ranges supporting absolute voltage, relative voltage, or current loop configurations with defined alarm outputs.
• Integrated instrumentation amplifier with coarse offset and gain control, plus digital mode capabilities for signal correction based on input levels.

Sensor And Detector Interfaces Applications

• Pressure transducers
• Accelerometers
• Temperature sensor assemblies
• Linear position sensors

Sensor And Detector Interfaces Procurement Notes

Verify the component status as End-of-Life (EOL) through official Melexis channels before finalizing design-in decisions. Confirm that the SOIC-16W package and Reel packing form match the specific manufacturing requirements. Ensure compatibility with existing firmware tools for EEPROM programming, as the device requires external level-shifting circuitry for PC-based setup.

Sensor And Detector Interfaces Selection Notes

Select this component when designing systems requiring precise calibration of bridge sensors such as strain gauges or load cells. The device supports both analog and digital signal processing modes, allowing for flexible implementation of offset and gain adjustments. Consider the operating temperature range of -40°C to 150°C for automotive or industrial environments where robust signal integrity is critical.

Sensor And Detector Interfaces Part Context

This part belongs to the MLX90314 series of programmable sensor interfaces manufactured by Melexis Technologies NV. The 'L' suffix indicates a temperature range of -40°C to 150°C, while 'DF' denotes the SOIC-16W package. The 'RE' suffix specifies reel packaging. It serves as a dedicated solution for linearizing and amplifying signals from various resistive bridge sensors.

Sensor And Detector Interfaces Replacement Considerations

The datasheet explicitly states there are no known devices which the MLX90314 can replace. Designers should evaluate alternative programmable sensor interfaces only if the specific EEPROM architecture and LX11 core integration are not required for the application.