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TMP36 - Analog Temperature sensor [TMP36]
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The TMP36 is a low-power analog temperature sensor that outputs a voltage proportional to ambient temperature. It operates on 2.7–5.5V and requires no extern...
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The TMP36 is a low-power analog temperature sensor that outputs a voltage proportional to ambient temperature. It operates on 2.7–5.5V and requires no external calibration — simply read the analog voltage and convert to temperature.
Key Features
- Analog Voltage Output – Proportional to temperature (10 mV/°C)
- Wide Temperature Range – −50 °C to +125 °C
- Low Power – 2.7–5.5V supply voltage
- No Calibration Required – Factory-calibrated output
- Simple 3-Pin Package – TO-92 (power, output, ground)
Wiring
- Pin 1 (left) – Power (2.7–5.5V)
- Pin 2 (centre) – Analog output (connect to ADC input)
- Pin 3 (right) – Ground
Temperature Conversion
Output is 0V at −50 °C and 1.75V at 125 °C. Formula: Temp °C = 100 × (voltage in V) − 50
Ideal For
- Arduino and microcontroller temperature monitoring
- Weather stations and environmental sensing
- Thermostat and HVAC projects
- Beginner electronics projects
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- ADC
- An analogue-to-digital converter reads a changing voltage and turns it into a number the microcontroller can use. It matters when connecting analogue sensors such as light, sound, or variable-resistor sensors.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
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