Product Overview
The DS1822Z+ is a digital temperature sensor from Analog Devices (formerly Maxim Integrated) featuring a 1-Wire interface and +/-2C accuracy over the -10C to +85C range. Operating from 3.0V to 5.5V, it provides 9 to 12-bit programmable resolution and does not require external components for temperature measurement.
Key Specifications
| Accuracy | +/-2C (-10C to +85C) |
| Resolution | 9 to 12-bit (programmable) |
| Interface | 1-Wire |
| Supply Voltage | 3.0V to 5.5V |
| Temperature Range | -55C to +125C |
| Conversion Time | 750ms max (12-bit) |
| Package | 8-lead SOIC (150mil) |
| Parasite Power | Supported |
| Alarm Functions | Programmable TH/TL |
Features
- 1-Wire interface requires only one data line
- +/-2C accuracy from -10C to +85C
- 9 to 12-bit programmable resolution
- No external components required
- Parasite power mode eliminates local supply
- Programmable high/low alarm thresholds
- Multi-drop capability for sensor networks
- 48-bit unique serial number
Applications
- Thermal management systems
- Industrial process control
- HVAC environmental monitoring
- Consumer product temperature sensing
- Medical instrument thermal monitoring