The LM335A from STMicroelectronics is a precision temperature sensor that can be easily incorporated into a wide array of temperature monitoring applications. This sensor is designed to provide a consistently accurate measurement of temperature with a direct, linear relationship to the Kelvin temperature scale.
Key Features
- Directly Calibrated in Kelvin: The LM335A operates with a linear voltage output that directly corresponds to the Kelvin temperature scale, eliminating the need for external calibration in most applications.
- Wide Operating Temperature Range: With a capability to measure temperatures from -40°C to 100°C, the LM335A is suitable for environmental conditions ranging from industrial freezers to engine compartments.
- Low Operating Voltage: A minimum operating voltage of 4V allows the LM335A to be used in low-voltage applications, making it versatile for portable and battery-operated devices.
- Low Impedance Output: The low output impedance of the sensor ensures accurate readings and makes it less susceptible to noise, which is particularly beneficial in analog systems.
- Easy to Interface: The sensor's analog output can be connected directly to a microcontroller's analog-to-digital converter (ADC) or an operational amplifier for signal conditioning.
Applications
The LM335A is ideal for a multitude of applications that require precise temperature readings. It is commonly used in:
- Temperature control systems and thermostats
- Industrial process control
- Automotive temperature sensing
- Consumer electronics
- Data loggers
Product Specifications
Parameter
Value
Temperature Range
-40°C to 100°C
Supply Voltage
4V to 30V
Output
10mV/°K
Package
TO-92
Whether for consumer electronics or industrial applications, the LM335A precision temperature sensor from STMicroelectronics stands out as a reliable choice for temperature measurement solutions.
