The TMP36 is a low voltage, precision centigrade temperature sensor. It provides a voltage output that is linearly proportional to the Celsius temperature. It also doesn't require any external calibration to provide typical accuracies of ±1°C at +25°C and ±2°C over the −40°C to +125°C temperature range. We like it because it's so easy to use: Just give the device a ground and 2.7 to 5.5 VDC and read the voltage on the Vout pin. The output voltage can be converted to temperature easily using the scale factor of 10 mV/°C.
 
Output Type
Analog Voltage
 
Voltage - Supply
2.7 V ~ 5.5 V
 
Resolution
10mV/°C
 
Features
Shutdown Mode
 
Accuracy - Highest (Lowest)
±3°C (±4°C)
 
Test Condition
25°C (-40°C ~ 125°C)
 
Operating Temperature
-40°C ~ 150°C
 
Mounting Type
Through Hole
 
Resources: 
1. Interfacing TMP36 Temperature Sensor with Arduino
2. TMP36 Datasheet
3. How to Use the TMP36 Temp Sensor - Arduino Tutorial