±0.5°C Maximum Accuracy Digital Temperature Sensor MCP9808 DEMO CONTENT

Functional Block Diagram

1 Electrical Characteristics

2 Typical Performance Curves

3 Pin Description

3.1 Serial Data Line (SDA)

3.2 Serial Clock Line (SCL)

3.3 Temperature Alert, Open-Drain Output (Alert)

3.4 Ground Pin (GND)

3.5 Address Pins (A0, A1, A2)

3.6 Power Pin (V_DD)

3.7 Exposed Thermal Pad (EP)

4 Serial Communication

4.1 2-Wire Standard Mode I²C Protocol Compatible Interface

4.2 Data Transfer

4.3 Master/Slave

4.4 Start/Stop Condition

4.5 Address Byte

4.7 Acknowledge (ACK/NAK)

5 Functional Description

5.2 Sensor Configuration Register (CONFIG)

5.3 Upper/Lower/Critical Temperature Limit Registers (T_UPPER/T_LOWER/T_CRIT)

5.4 Ambient Temperature Register (T_A)

5.5 Manufacturer ID Register

5.6 Device ID And Revision Register

5.7 Resolution Register

5.8 Sensor Feature Description

5.9 Summary of Power-on Default

6 Applications Information

6.1 Layout Considerations

6.2 Thermal Considerations

7 Packaging Information

7.1 Package Marking Information

8 Appendix A Source Code

9 Appendix B Revision History

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