产品概览
TMP112AIDR from TI is a high-accuracy digital temperature sensor with I2C interface. +/-0.5C accuracy from -10C to +125C. 12-bit resolution (0.0625C). 10uA active current. SOT-6 package.
工作原理
Bandgap temperature sensor generates voltage proportional to temperature. 12-bit ADC converts to digital. I2C interface reads temperature register. Alert pin triggers on over/undertemperature.
Pin Description
| 针脚 | 名称 | 功能 |
|---|---|---|
| 1 | SDA | I2C data |
| 2 | 接地 | 地面 |
| 3 | ALERT | Over-temp alert |
| 4 | SCL | I2C clock |
| 5-6 | V+/ADD0 | Supply and address |
应用
- System temperature monitoring
- Industrial process control
- Battery temperature sensing
Alternative Models
| 制造商 | 部件编号 | 说明 |
|---|---|---|
| TI | TMP112AIDRLT | Smaller DRL package |
| ADI | ADT7420 | Higher accuracy |