The MLX90342 is an innovative, high-performance quadruple thermocouple interface that provides rapid response and very high levels of accuracy when measuring extreme temperatures. It has been specifically designed to allow automotive designers to address the need for more stringent engine and exhaust thermal management and control.

Target applications include turbo charger temperature control, exhaust gas recirculation (EGR), selective catalytic reduction (SCR), diesel oxidation catalyst (DOC) and diesel/gasoline particle filtering systems.

The MLX90342 supports a -40°C to 1,300°C thermocouple temperature range and has an operating temperature specification spanning -40°C to 155°C. Sophisticated on-board cold junction compensation and linearization, plus factory calibration, guarantee an intrinsic accuracy of ±5°C (at 1,100°C). This effectively means the sensor is twice as accurate as other currently available devices.

The sensor interface is housed in a miniature, 26-pin 6x4 mm QFN package and has a rapid refresh rate of 50Hz that aligns with manufacturer expectations for high-speed response.

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Top Features

  • 26-pin 6x4 mm QFN package

  • -40°C to 1,300°C measurement temperature range

  • Operating temperature specification spanning -40 to 155°C

  • Attains ±5°C accuracy at 1,100°C

  • High update rate of 50Hz

  • Thermocouple linearization with on board cold junction compensation

  • SENT revision 3 digital interface

  • Extensive sensor diagnostic capabilities

  • Enables the exhaust treatment system to conform to the latest environmental regulations
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Automotive quad thermocouple interface IC - MLX90342

Features and benefits

  • 26-pin 6x4 mm QFN package

  • -40°C to 1,300°C measurement temperature range

  • Operating temperature specification spanning -40 to 155°C

  • Attains ±5°C accuracy at 1,100°C

  • High update rate of 50Hz

  • Thermocouple linearization with on board cold junction compensation

  • SENT revision 3 digital interface

  • Extensive sensor diagnostic capabilities

  • Enables the exhaust treatment system to conform to the latest environmental regulations
Used in these

Industries

  • Automotive - Powertrain

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