LM335 - Precision Temperature Sensors

LM335 Precision Temperature Sensor IC with +10 mV/˚K Output

The LM335 Precision Temperature Sensor IC provides accurate and calibrated temperature sensing. It operates as a 2-terminal zener, delivering a breakdown voltage directly proportional to absolute temperature. This results in a linear +10 mV/˚K output. A dynamic impedance of less than 1Ω ensures stable performance. It operates across a current range from 400 µA to 5 mA. When calibrated at 25˚C, the LM335 typically exhibits less than 1˚C error over a 100˚C temperature span. This device is suitable for applications requiring reliable temperature measurement.

Specifications:

• Sensor Type: Precision Integrated Circuit
• Operating Mode: 2-Terminal Zener
• Breakdown Voltage Proportionality: +10 mV/˚K
• Dynamic Impedance: <1Ω
• Operating Current Range: 400 µA to 5 mA
• Initial Accuracy (at 25°C): <1°C error over 100°C range
• Operating Temperature Range: -40°C to +100°C
• Output Characteristic: Linear

Key features and benefits:

• Precision integrated circuit temperature sensor
• Calibrated for accuracy
• Linear output proportional to absolute temperature
• Operating temperature range: -40°C to +100°C
• Dynamic impedance: <1Ω
• Operating current range: 400 µA to 5 mA
• Initial accuracy: <1°C error over 100°C range (when calibrated at 25°C)

Applications:

• Home and office automation systems
• Temperature-sensitive electronic projects
• Industrial process control and monitoring
• HVAC systems
• Environmental monitoring

Frequently Asked Questions:

Q: What is the output characteristic of the LM335 sensor?
A: The LM335 provides a linear output voltage directly proportional to absolute temperature, with a proportionality of +10 mV/˚K.

Q: What is the operating current range for the LM335?
A: The LM335 operates across a current range from 400 µA to 5 mA.

Q: What is the typical accuracy of the LM335?
A: When calibrated at 25˚C, the LM335 typically exhibits less than 1˚C error over a 100˚C temperature span.

Package Includes:

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