This is a pack of three LM34 precision temperature sensor ICs calibrated directly in degrees Fahrenheit. The output voltage rises 10.0 mV for every °F, with 1.0°F accuracy at 77°F and a rated range of −50°F to 300°F. They run from 5V to 30V, draw under 90 µA and need no external calibration.
Key Features
- Calibrated directly in °F, no offset subtraction needed
- Linear 10.0 mV/°F output
- 1.0°F accuracy at 77°F; ±0.5°F typical nonlinearity
- Rated −50°F to 300°F
- Operates from 5V to 30V
- Under 90 µA current drain; 0.18°F self-heating in still air
- Low-impedance output, 0.4 Ω at 1 mA
Specifications
| Part number | LM34 |
|---|---|
| Output | Analog voltage, 10.0 mV/°F |
| Accuracy | 1.0°F at 77°F |
| Temperature range | −50°F to 300°F |
| Nonlinearity | ±0.5°F (typ) |
| Supply voltage | 5V to 30V |
| Current drain | <90 µA |
| Self-heating | 0.18°F in still air |
| Output impedance | 0.4 Ω at 1 mA load |
| Quantity | 3 |
| SKU | 1034PK3 |
What's Included
- 3 x LM34 ICs
Ideal For
Thermometers, thermostats and data loggers that read in Fahrenheit.
Frequently Asked Questions
How do I read the temperature?
Measure the output voltage and divide by 10 mV. For example, 0.720V means 72°F.
Does it need calibration?
No. It is trimmed at the factory and needs no external calibration.