Precision Temperature Sensor The LM335M is a precision temperature sensor manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Temperature Range:** -40°C to +100°C
- **Output Voltage:** 10 mV/°K (linearly proportional to absolute temperature)
- **Accuracy:** ±1°C (typical) over full temperature range
- **Operating Current:** 400 µA to 5 mA
- **Calibration:** Easily calibrated for accuracy
- **Package:** 8-Pin SOIC (Surface Mount)
- **Power Supply Range:** 2.7V to 30V
- **Low Impedance Output:** Ensures easy interfacing with control circuits
### **Descriptions:**
- The LM335M is a 3-terminal analog temperature sensor that provides a voltage output linearly proportional to the absolute temperature (in Kelvin).
- It operates as a 2-terminal Zener diode with a breakdown voltage directly related to temperature.
- The sensor is factory-calibrated to 10 mV/°K and can be further calibrated for higher precision.
- Suitable for applications requiring accurate temperature measurement, such as HVAC systems, industrial controls, and automotive applications.
### **Features:**
- **Directly Calibrated to Kelvin Scale** – Eliminates the need for external linearization circuitry.
- **Low Cost** – Economical solution for temperature sensing.
- **Wide Operating Range** – Functions reliably from -40°C to +100°C.
- **Low Power Consumption** – Draws minimal current, making it suitable for battery-powered applications.
- **Linear Output** – Simplifies interfacing with ADCs and microcontrollers.
- **Stable and Reliable** – Provides consistent performance over time.
This information is strictly based on the manufacturer's datasheet and technical documentation.
