Max6675 thermo couple

MAX6675 K‑Type Thermocouple Digital Converter – Compact SPI Interface

The MAX6675 is an integrated thermocouple-to-digital converter optimized for K‑type thermocouples. It employs a high‑accuracy 12‑bit analog‑to‑digital converter that samples the thermoelectric voltage and internally applies cold‑junction compensation, eliminating the need for external reference circuitry. With a single digital SPI (MISO, SCK, CS) interface, the module can be easily incorporated into microcontroller‑based systems for precise temperature monitoring.

Designed for rugged industrial and automotive applications, the MAX6675 offers low power consumption, a wide operating temperature range, and a small footprint. Its 12‑bit resolution delivers 0.25 °C accuracy across the full −20 °C to 1024 °C range, making it ideal for battery pack management, HVAC controls, and other high‑temperature monitoring tasks.

• Key Spec 1: 12‑bit SPI digital output, 0.25 °C resolution (‑20 °C – 1024 °C)
• Key Spec 2: Built‑in cold‑junction compensation, operating voltage 2.7 V – 5.5 V
• Key Spec 3: Low power consumption (typ. 96 µA in active mode)
• Common Use Case: Battery pack temperature monitoring and management in electric vehicles and portable electronics

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