LM335Z

The LM335Z is a precision temperature sensor and voltage reference device manufactured by STMicroelectronics. It is designed to provide accurate temperature measurements and is often used in various applications, including industrial, automotive, and consumer electronics.

Key Features:

1. Temperature Sensing: The LM335Z operates over a wide temperature range, typically from -40°C to +100°C. It provides a linear output voltage that is directly proportional to the temperature in degrees Celsius. The output voltage is typically 10 mV/°C, making it easy to interface with standard analog-to-digital converters (ADCs) or microcontrollers.

2. Voltage Reference: In addition to its temperature sensing capabilities, the LM335Z can also function as a precision voltage reference. It has a nominal output voltage of 1.5V, which can be used in various applications requiring a stable reference voltage.

3. Low Power Consumption: The device is designed to operate with low power consumption, making it suitable for battery-operated devices and applications where energy efficiency is critical.

4. Wide Supply Voltage Range: The LM335Z can operate with a supply voltage ranging from 1.5V to 40V, providing flexibility in design and allowing it to be used in a variety of circuits.

5. Temperature Coefficient: The temperature coefficient of the LM335Z is typically around 1.5 mV/°C, ensuring high accuracy in temperature measurements.

6. Package Options: The LM335Z is available in various package types, including TO-92 and SO-8, allowing for easy integration into different circuit designs.

7. Applications: Common applications for the LM335Z include temperature monitoring systems, HVAC systems, industrial process control, and as a reference voltage in precision analog circuits.

Electrical Characteristics:

• Output Voltage: 10 mV/°C (temperature sensing)
• Nominal Reference Voltage: 1.5V
• Supply Voltage Range: 1.5V to 40V
• Operating Temperature Range: -40°C to +100°C
• Power Supply Current: Typically low, enhancing battery life in portable applications.

Conclusion:

The LM335Z from STMicroelectronics is a versatile and reliable component for temperature sensing and voltage reference applications. Its precision, low power consumption, and wide operating range make it an excellent choice for engineers looking to implement accurate temperature measurements and stable voltage references in their designs.