MCP9701A-E/TO

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Temperature Sensors – Analog and Digital Output

Temperature sensors come in a variety of styles and levels of sophistication to measure temperature in a variety of applications. The MCP9701A-E/TO is one such device which provides temperature measurement capabilities in an easy to use package. This device is well-suited to many applications such as automotive, industrial, and medical.

Application Field

The MCP9701A-E/TO temperature sensor is a high precision analog output temperature transducer which is capable of measuring a variety of temperatures. Its wide operating temperature range from -40°C to +125°C makes it particularly suitable for automotive and industrial applications. Because of its accuracy and low power operation, this temperature sensor is also well-suited for medical applications.

The MCP9701A-E/TO device works in two different types of environments, either in a linear or an exponential mode. This makes the device useful for applications such as automotive engine or transmission control systems, where the temperature measurement requirements are constantly changing and require precision accuracy. Additionally, its fast temperature response time (740ms) makes it suitable for medical applications where a quick response time is required.

Working Principle

The MCP9701A-E/TO temperature sensor is an integrated circuit which consists of two basic components: a resistive divider and an analog to digital converter. The resistive divider is responsible for converting the measured temperature into a resistance value which is then converted into a digital output using the on-chip analog to digital converter.

The MCP9701A-E/TO temperature sensor is capable of measuring temperatures from -40°C to +125°C. Depending on the mode selected, the output range can be either linear or exponential. The linear mode is useful for applications like automotive engine or transmission control while the exponential mode is more suitable for medical applications.

In addition to its linear and exponential operation, the device also features an open drain or programmable output DAC (digital to analogue converter). This allows for easy connection to external devices without the need of an additional DAC. The device also employs numerous safety features such as short circuit and overtemperature protection, ensuring that the device is protected from excessive temperatures.

Finally, it is important to note that the MCP9701A-E/TO temperature sensor comes in a variety of package sizes, including RoHS compliant versions. This makes the device suitable for any application where space is limited and temperature accuracy is required. As such, the device is perfect for automotive, industrial, and medical applications.

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