MCP9803-M/SNG

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Sensor Type:	Digital, Local
Sensing Temperature - Local:	-55°C ~ 125°C
Sensing Temperature - Remote:	--
Output Type:	I²C/SMBus
Voltage - Supply:	2.7 V ~ 5.5 V
Resolution:	11 b
Features:	One-Shot, Output Switch, Programmable Limit, Programmable Resolution, Shutdown Mode
Accuracy - Highest (Lowest):	±1°C (±3°C)
Test Condition:	-10°C ~ 85°C (-55°C ~ 125°C)
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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The MCP9803-M/SNG is a digital output temperature sensor with low-power operation and integrated analog and digital outputs, designed to detect temperature from digital input. This application field is used for a variety of application including security and home automation, agriculture item temperature monitoring, HVAC system temperature monitoring, and industrial temperature sensing. It also features a low-voltage power range of 2V-3.6V. It also features a selectable temperature accuracy of up to 2°C.

The MCP9803-M/SNG operates by detecting the temperature of the environment using its integrated on-chip capacitive temperature sensor. The integrated analog output of the sensor produces a voltage proportional to the temperature, and an analog-to-digital (A/D) converter converts the analog values to digital values at the specified accuracy. The digital output of the sensor is then read and processed by an MCU to obtain the target temperature.

The MCP9803-M/SNG has a wide operating temperature range of -40°C to +125°C. The maximum conversion time of the A/D converter is 80ms. The sensor also features a Sleep Mode with a low-current usage. This low-power operation mode ensures that the sensor will not interfere with other system components. The MCP9803-M/SNG is capable of measuring temperature inside objects with a ±1°C accuracy.

The MCP9803-M/SNG is also equipped with several protection features such as overheat alarm, underheat alarm, short-circuit protection, ESD protection, and reverse polarity protection. This ensures that the temperature reading will be accurate and reliable even when under harsh conditions.

The MCP9803-M/SNG also features a wide range of external connection options such as SPI, I²C, and UART for easy integration into existing systems. The device also comes with a built-in interrupt that triggers a corresponding event when the temperature goes beyond a pre-defined limit. This allows for easy integration of alarms or other related features that can take action when the temperature goes beyond a certain range.

Overall, the MCP9803-M/SNG is a reliable and cost-effective temperature sensor that features a wide operating temperature range, integrated analog and digital outputs for easy integration, selectable accuracy of up to 2°C, low-power operation with Sleep Mode, and several protection features to ensure accuracy and reliability under harsh conditions. Its wide range of external connection options and interrupt option make it easy to integrate the device into existing systems for a wide variety of application fields.

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