Maxim Integrated Surface Mount 14-Bit Thermocouple Input ADC, 10-Pin TDFN MAX31850KATB+

Maxim Integrated MAX31850KATB+ Analogue to Digital Converter is a high precision 14-bit device designed for thermocouple temperature sensing with surface mount packaging. It converts thermocouple input signals into a digital temperature output with 0.25°C resolution enabling accurate temperature measurement in harsh environments.

The MAX31850KATB+ supports thermocouple types K, J, N, T, and E with integrated cold-junction compensation to correct for ambient temperature variations, producing reliable and stable readings. It also features open thermocouple detection alongside short circuit protection to ground or power, allowing for fault diagnostics critical in industrial and HVAC control systems.

The device operates within a wide temperature range from -40°C to 125°C and a supply voltage of 3V to 3.7V. The communication is achieved over a simple 1-Wire read-only interface which reduces complexity and wiring needs in multisensor networks.

Packaged in a compact 3mm by 0.75mm, 10-pin Thin Dual Flat No-lead (TDFN) surface-mount package, the MAX31850KATB+ is suitable for compact PCB designs in applications such as medical instruments, industrial temperature control, appliances, and HVAC systems.

Offers 14-bit resolution delivering 0.25°C temperature accuracy. Supports multiple thermocouple types including K, J, N, T, and E types for versatile industrial use. Features integrated cold-junction compensation for accurate ambient reference.

Includes thermocouple short and open detection for reliable sensor diagnostics. Employs a 1-Wire read-only interface simplifying multisensor system integration. Operates with supply voltage range of 3V to 3.7V and temperature range from -40°C to +125°C.

Compact 10-pin Thin Dual Flat No-lead (TDFN) package with 3mm length and 0.75mm height. Designed for use in industrial, HVAC, medical, and appliance temperature monitoring applications.

This ADC module is ideal for engineers and designers requiring precise thermocouple data conversion in a small form factor. Its robust temperature sensing, fault detection, and low pin count interface makes it well suited for industrial automation, HVAC controls, medical devices, and appliance temperature monitoring.

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