Overview
The TMP36GT9Z is a low-voltage, precision centigrade temperature sensor produced by Analog Devices Inc. This sensor is part of the TMP35/TMP36/TMP37 family and is designed for high-precision temperature measurement. It operates within a wide temperature range and provides a linear voltage output that is directly proportional to the Celsius temperature, eliminating the need for external calibration.
The TMP36GT9Z is functionally compatible with the LM50 and is suitable for various applications requiring accurate temperature sensing. It is available in a 3-lead TO-92 package, making it versatile for different mounting requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.7 to 5.5 | V |
| Output Scale Factor | 10 | mV/°C |
| Output Voltage at 25°C | 750 | mV |
| Temperature Range | -40 to +125 | °C |
| Accuracy over Temperature Range | ±2 | °C |
| Linearity | ±0.5 | °C |
| Quiescent Current | < 50 | µA |
| Shutdown Current | < 0.5 | µA |
| Self-Heating | < 0.1 | °C |
| Capacitive Load Driving | Up to 10,000 pF | pF |
Key Features
- Low voltage operation (2.7 V to 5.5 V)
- Directly calibrated in °C with a 10 mV/°C scale factor
- High accuracy over temperature range (±2°C typical)
- Low output impedance and linear voltage output
- Stable with large capacitive loads (up to 10,000 pF)
- Low self-heating (< 0.1°C in still air)
- Shutdown function to reduce supply current to less than 0.5 µA
- Qualified for automotive applications
Applications
- Environmental control systems
- Thermal protection of devices and machines
- Fire alarms
- Industrial process control
- Power system monitors
- Thermal management of CPU
Q & A
- What is the operating voltage range of the TMP36GT9Z?
The TMP36GT9Z operates within a voltage range of 2.7 V to 5.5 V.
- What is the output scale factor of the TMP36GT9Z?
The output scale factor of the TMP36GT9Z is 10 mV/°C.
- What is the typical accuracy of the TMP36GT9Z over its temperature range?
The typical accuracy is ±2°C over the -40°C to +125°C temperature range.
- How much current does the TMP36GT9Z consume in shutdown mode?
The shutdown current is less than 0.5 µA.
- What is the maximum capacitive load the TMP36GT9Z can drive?
The TMP36GT9Z can drive capacitive loads up to 10,000 pF without oscillation.
- Is the TMP36GT9Z suitable for automotive applications?
- What are the available package types for the TMP36GT9Z?
The TMP36GT9Z is available in a 3-lead TO-92 package, among others.
- How does the TMP36GT9Z handle self-heating?
The TMP36GT9Z has very low self-heating, less than 0.1°C in still air.
- Can the TMP36GT9Z be used in high ambient noise environments?
- What is the typical quiescent current of the TMP36GT9Z?
The typical quiescent current is less than 50 µA.
