MCP9802A0T-M/OT

The MCP9802A0T-M/OT is a Digital Temperature Sensor capable of reading temperatures from -55 to 125°C. Temperature data is measured from an integrated temperature sensor and converted to digital word with an user selectable 9 to 12-bit sigma delta analogue to digital converter. The MCP9802 notifies the host controller when the ambient temperature exceeds an user programmed set point. The ALERT output is programmable as either a simple comparator for thermostat operation or as a temperature event interrupt. Communication with the sensor is accomplished via a two-wire bus that is compatible with industry standard protocols. This permits reading the current temperature, programming the set point and hysteresis and configuring the device. The MCP9802 also contains SMBus timeout logic for improved system reliability.

• 2-wire I²C™/SMBus compatible interface
• SMBus timeout
• User selectable 9 to 12-bit resolution
• ±1°C Accuracy from -10 to +85°C
• ±2°C Accuracy from +85 to +125°C
• 220µA (typical) Low operating current
• 1µA Maximum shutdown mode
• Power saving one-shot temperature conversion measurement

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ESD sensitive device, take proper precaution while handling the device. Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.