LM35DZ - Original

The LM35DZ is a precision integrated-circuit temperature sensor that provides an output voltage directly proportional to the Celsius temperature. It offers a simple, cost-effective solution for accurate temperature measurement across a wide range of applications, without requiring external calibration.

Key Features:

• Directly calibrated in Celsius
• Linear output: +10 mV/°C
• Accuracy: ±0.5°C at 25°C
• Operating range: 0°C to +100°C
• Low self-heating: 0.08°C in still air
• Low output impedance: 0.1 Ω at 1 mA load
• Operating voltage: 4–30 V DC
• Low current consumption: <60 μA
• Ideal for remote sensing applications
• Package: TO-92 (3-pin)

Applications:

• Environmental monitoring systems
• HVAC systems
• Battery management
• Home appliances
• Industrial process control
• Medical devices

Electrical Characteristics:

• Supply voltage: 4–30 V DC
• Output voltage: 10 mV per °C
• Accuracy: ±0.5°C at 25°C
• Non-linearity: ±¼°C typical
• Current consumption: <60 μA
• Self-heating: 0.08°C in still air

Pin Configuration:

• VCC: Supply voltage
• VOUT: Output voltage
• GND: Ground

Typical Uses:

• Temperature measurement and control systems
• Thermal protection for electronics
• Remote temperature sensing
• Consumer electronics

Note: The LM35DZ requires no external calibration or trimming, offering ±0.5°C accuracy at room temperature and ±0.75°C over a full −55°C to +150°C range. Its linear output and low impedance make it easy to interface with readout or control circuits.