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TMP36 Sensor: Specifications, Applications, and Features

The TMP36 is a versatile temperature sensor that provides simple, accurate Celsius readings for a range of applications. This guide covers everything you need to know, from features and specifications to setup and common uses.

Catalog

Overview of TMP36 Temperature Sensor

The TMP36 is a reliable, low-voltage temperature sensor, designed to provide precise temperature readings directly in Celsius. With a linear voltage output that matches the surrounding temperature, it simplifies monitoring without needing additional calibration. This sensor is ideal for those looking for dependable and straightforward temperature measurements, as it works accurately across a broad range of temperatures, from -40°C to +125°C. The TMP36 keeps your readings accurate, operating with a minimal power draw, making it a good choice for varied applications where low energy use and high accuracy are preferred.

TMP36 Pin Configuration

TMP36 Pin Diagram

Pin No.	Pin Name	Description
1	Vs	Positive supply pin
2	Vout	Output voltage pin
3	Gnd	Ground pin

TMP36 CAD Details

TMP36 Symbol

TMP36 Footprint

TMP36 Specifications and Technical Data

Technical specifications, attributes, parameters, and comparable parts for the Analog Devices Inc. TMP36GT9.

Type	Parameter
Lifecycle Status	PRODUCTION (Last Updated: 1 month ago)
Factory Lead Time	8 Weeks
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3 (TO-226AA)
Surface Mount	NO
Number of Pins	3
Packaging	Tube
JESD-609 Code	e0
Pbfree Code	No
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	3
ECCN Code	EAR99
Temperature Coefficient	Positive ppm/°C
Terminal Finish	Tin/Lead (Sn/Pb)
Max Operating Temperature	125°C
Min Operating Temperature	-40°C
Base Part Number	TMP36
Pin Count	3
Interface	Analog
Max Supply Voltage	5.5V
Min Supply Voltage	2.7V
Termination Type	Solder
Operating Supply Current	50μA
Nominal Supply Current	50μA
Linearity	0.5°C
Output Voltage-Max	2V
Output Voltage-Min	0.1V
Housing	Plastic
Accuracy-Max	4°C
Radiation Hardening	No
RoHS Status	Non-RoHS Compliant
Lead Free	Contains Lead

Key Features of the TMP36 Sensor

Low Voltage Operation

The TMP36 operates efficiently with a power range between 2.7 and 5.5 volts. This feature allows it to be compatible with a variety of power supplies, making it easy to incorporate into different projects that run on low power.

Direct Celsius Calibration

This sensor provides a direct reading in Celsius without requiring any extra calibration. You get a straightforward temperature readout, which saves time and makes it accessible for projects where simplicity is valued.

Linear Voltage Output

The TMP36 produces a voltage output that increases linearly with the temperature. This 10 mV/°C output is easy to interpret, so you can easily relate the voltage to the corresponding temperature.

High Accuracy

The TMP36 offers an accuracy level of ±2°C across most of its operating range. This level of accuracy helps in applications where you need precise temperature measurements without significant variations.

Stable with High Capacitive Loads

The TMP36 is designed to stay stable even when connected to large capacitive loads. This stability ensures consistent performance in applications where you might use longer cables or experience more electrical noise.

Wide Temperature Range

The TMP36 functions reliably from -40°C up to +125°C, with operational capability extending to 150°C. This range lets you use it in different environments, from very cold to fairly hot, without losing accuracy.

Low Quiescent Current

With a low quiescent current draw of less than 50 µA, the TMP36 is energy-efficient, making it suitable for battery-operated devices and systems that need to conserve power.

Low Self-Heating

The TMP36 produces minimal self-heating during operation, which helps in maintaining accurate temperature readings by preventing internal heat from affecting the sensor output.

Automotive Grade Quality

Qualified for automotive applications, the TMP36 meets standards for durability and performance in various environmental conditions, making it suitable for use in vehicles and related systems.

TMP36 Functional Diagram

TMP36 Equivalent and Alternative Models

• LM45

• MCP9700

• MCP9700A

• TC1046

• TC1047

• MCP9701

• MCP9701A

• DHT11B

Common Applications of TMP36

Environmental Monitoring Systems

The TMP36 is often used in environmental monitoring, allowing you to track and manage temperature changes in real time. This can be useful for applications like weather stations, greenhouses, or indoor climate control.

Thermal Protection Systems

In thermal protection setups, the TMP36 helps monitor temperature levels to prevent overheating in equipment. It’s commonly used in systems where maintaining safe operating temperatures is a priority.

Industrial Process Control

The TMP36 is beneficial in industrial process control, where it assists in maintaining stable temperatures during manufacturing or production. It can help improve efficiency by keeping conditions consistent.

Fire Detection Systems

Fire alarms and detection systems benefit from the TMP36’s accuracy in detecting rising temperatures, helping to signal potential fire hazards early, which makes it useful for safety applications.

Power System Monitoring

The TMP36 is used in power systems to track the temperature of critical components, helping prevent overheating and maintain reliable performance in various electronic and electrical setups.

CPU Thermal Management

In computers and electronic devices, the TMP36 plays a role in CPU thermal management by monitoring processor temperatures. This helps keep devices cool and prevent potential damage from overheating.

Applications and Suitability of TMP36

The TMP36 is most commonly used in temperature measurement and thermostat systems, particularly in settings that demand consistent, accurate readings across a wide range of conditions. This sensor has low output impedance, providing a linear output that’s both predictable and efficient, so it works well even in environments with larger capacitive loads. You don’t need extra calibration components, which allows it to operate reliably in diverse applications like industrial monitoring, environmental systems, and consumer electronics. The TMP36’s ability to handle temperatures from -40°C to 150°C makes it suitable for various monitoring tasks, especially in settings where durability and stability are essential for prolonged use.

Using the TMP36 Temperature Sensor

Using the TMP36 is straightforward. You connect the left pin to a power source (between 2.7 and 5.5V) and the right pin to ground. This setup lets the middle pin produce an analog voltage directly proportional to the temperature, making it easy to read and interpret. Since this voltage doesn’t depend on the power supply level, you get a consistent output, simplifying the design process when adding it to a project. The straightforward pin setup and predictable output make the TMP36 a convenient choice for both new and experienced users.

TMP36 Circuit Diagram

TMP36 Mechanical and 2D Diagrams

TMP36 Package Details

TMP36 Manufacturer Information

Analog Devices, established in 1965, designs and manufactures a broad range of analog and digital signal processing devices, making them well-known in the electronic equipment industry. Their components, including the TMP36, serve a wide variety of real-world measurement applications by translating physical data like temperature, pressure, and motion into electrical signals. With a focus on creating practical, user-oriented devices, Analog Devices products support countless engineers and designers, offering reliable solutions for accurate data readings across numerous electronic systems. Their reputation for quality and precision has made them a trusted name worldwide in the field of signal processing.

Frequently Asked Questions [FAQ]

1. What Does the TMP36 Sensor Do?

The TMP36 is a low-voltage temperature sensor that provides a precise voltage output proportional to temperature in Celsius. It allows you to measure temperature easily and accurately without additional calibration, making it ideal for simple and reliable temperature monitoring.

2. How Do You Use the TMP36 Temperature Sensor?

To use the TMP36, connect the left pin to a power source (between 2.7 and 5.5V) and the right pin to ground. This setup lets the middle pin provide an analog voltage directly tied to the temperature, allowing for straightforward readings in Celsius.

3. What Kind of Output Does the TMP36 Give?

The TMP36 operates over a temperature range of −40°C to +125°C and produces a 750 mV output at 25°C. It continues functioning well up to 125°C on a single 2.7 V supply, making it suitable for various temperature monitoring applications.

4. Why Does the TMP36 Have an Offset Voltage?

The TMP36 has a 0.5V offset voltage, which helps it function correctly at negative temperatures. This feature is useful compared to other models, such as the TMP35 and TMP37, which do not handle negative temperatures as effectively.

5. What Is a Temperature Sensor?

A temperature sensor measures the temperature of air, liquids, or solids. There are various types, each using different methods and technologies to measure temperature accurately, depending on the specific needs of the application.