TMP36GT9Z Analog Temperature Sensor — TO-92, -40°C to +125°C, 10mV/°C, for Arduino

TMP36GT9Z Analog Temperature Sensor — TO-92, -40°C to +125°C, 10mV/°C

The TMP36GT9Z is a precision analog temperature sensor from Analog Devices that outputs a voltage linearly proportional to temperature at 10mV/°C. With a measurement range of -40°C to +125°C, no external calibration required, and a simple 3-pin TO-92 package, it is one of the easiest temperature sensors to use with Arduino and any ADC-equipped microcontroller.

Key Specifications

Parameter	Value
Part Number	TMP36GT9Z
Package	TO-92 (through-hole)
Supply Voltage	2.7V – 5.5V
Output	Analog voltage (10mV/°C)
Temperature Range	-40°C to +125°C
Accuracy	±2°C (typical at 25°C)
Output at 25°C	750mV
Quiescent Current	50μA (typical)
No Calibration Required	Yes

Arduino Reading Formula

float voltage = analogRead(A0) * (5.0 / 1023.0);
float tempC = (voltage - 0.5) * 100.0;

• At 25°C: output = 750mV → (0.75 - 0.5) × 100 = 25°C ✔
• At 0°C: output = 500mV
• At -40°C: output = 100mV

Why Choose TMP36?

• ✅ No calibration needed — factory-calibrated, plug-and-read
• ✅ Simple analog output — read with any ADC pin, no I²C/SPI library required
• ✅ 2.7–5.5V supply — compatible with 3.3V and 5V Arduino boards
• ✅ 50μA quiescent current — suitable for battery-powered sensor nodes
• ✅ TO-92 package — breadboard and through-hole PCB compatible

Typical Applications

• Arduino ambient temperature measurement
• Data logger temperature sensing
• Thermostat and temperature controller input
• PCB and enclosure temperature monitoring
• Weather station temperature sensor
• Battery temperature monitoring

Package Contents

• 1 × TMP36GT9Z Analog Temperature Sensor (TO-92)

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