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DS1820 One Wire Digital Thermometer
Photograph
Features
Unique 1-wire interface requires only one port pin for communication
Each device has a unique 64-bit serial code stored in an on-board ROM
Multi-drop capability simplifies distributed temperature sensing applications
Requires no External Components
2-wire Serial Interface
9-bit Thermometer Resolution
Converts Temperature in 750 ms (max.)
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | GND - Ground |
| 2 | DQ - Data In/Out |
| 3 | Vdd - Optional Vdd |
Dimensional Drawing
Technical Data
Datasheet
| Maxim Integrated Website - Datasheet for DS1820 |
|
Application Notes