The MAX6509CAUK+T is a resistor-programmable temperature switch housed in a 5-pin SOT-23 package. It features two temperature-dependent references—one with a positive temperature coefficient and the other with a negative temperature coefficient—and a comparator. The device can be configured for temperature thresholds ranging from -40°C to +125°C by connecting an external resistor between SET and GND. The temperature trip point is determined when the two reference voltages are equal. Its output is designed as an open-drain and easily interfaces with microprocessor reset inputs. Suitable for microcontroller temperature monitoring, temperature control, and alarm systems, it operates with a supply voltage between 2.7V and 5.5V. The IC offers a typical threshold accuracy of ±0.5°C within the operating range and provides hysteresis options of 2°C or 10°C depending on the HYST pin configuration. Applications include sensing and instrumentation as well as industrial temperature monitoring.
Order the Maxim MAX6509CAUK+T resistor-programmable temperature switch online today. Designed for precise temperature threshold detection from -40°C to +125°C, it features high accuracy of ±0.5°C and simple external resistor adjustments. The device’s open-drain output easily interfaces with microcontrollers or alarms, ideal for industrial temperature monitoring, thermal management, and safety systems. Its low power consumption and flexible hysteresis options of 2°C or 10°C make it suitable for compact, high-reliability designs. Purchase now for immediate integration into sensing and control projects, ensuring robust performance and dependable temperature management.
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You can download the MAX6509CAUKT datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.
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