SNAS678B
May 2018 – May 2019
HDC2080
PRODUCTION DATA.
1
Features
2
Applications
Typical Application
3
Description
RH Accuracy (TA = 30°C)
4
Revision History
5
Description (continued)
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
I2C Interface Electrical Characteristics
7.7
I2C Interface Timing Requirements
7.8
Timing Diagram
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Sleep Mode Power Consumption
8.3.2
Measurement Modes: Trigger on Demand vs. Auto Measurement
8.3.3
Heater
8.3.4
Interrupt Description
8.3.4.1
DRDY
8.3.5
INTERRUPT on Threshold
8.3.5.1
Temperature High
8.3.5.2
Temperature Low
8.3.5.3
Humidity High
8.3.5.4
Humidity Low
8.4
Device Functional Modes
8.4.1
Sleep Mode vs. Measurement Mode
8.5
Programming
8.5.1
I2C Serial Bus Address Configuration
8.5.2
I2C Interface
8.5.3
Serial Bus Address
8.5.4
Read and Write Operations
8.6
Register Maps
8.6.1
Address 0x00 Temperature LSB
Table 1.
Address 0x00 Temperature LSB Register
Table 7.
Address 0x00 Temperature LSB Field Descriptions
8.6.2
Address 0x01 Temperature MSB
Table 2.
Address 0x01 Temperature MSB Register
Table 8.
Address 0x01 Temperature MSB Field Descriptions
8.6.3
Address 0x02 Humidity LSB
Table 3.
Address 0x02 Humidity LSB Register
Table 9.
Address 0x02 Humidity LSB Field Descriptions
8.6.4
Address 0x03 Humidity MSB
Table 4.
Address 0x03 Humidity MSB Register
Table 10.
Address 0x03 Temperature MSB Field Descriptions
8.6.5
Address 0x04 Interrupt DRDY
Table 5.
Address 0x04 Interrupt DRDY Register
Table 11.
Address 0x04 Interrupt DRDY Field Descriptions
8.6.6
Address 0x05 Temperature MAX
Table 6.
Address 0x05 Temperature MAX Register
Table 12.
Address 0x05 Temperature Max Field Descriptions
8.6.7
Address 0x06 Humidity MAX
Table 7.
Address 0x06 Humidity MAX Register
Table 13.
Address 0x06 Humidity MAX Field Descriptions
8.6.8
Address 0x07 Interrupt Configuration
Table 8.
Address 0x07 Interrupt Configuration Register
Table 14.
Address 0x07 Interrupt Configuration Field Descriptions
8.6.9
Address 0x08 Temperature Offset Adjustment
Table 9.
Address 0x08 Temperature Offset Adjustment Register
Table 15.
Address 0x08 Temperature Offset Adjustment Field Descriptions
8.6.10
Address 0x09 Humidity Offset Adjustment
Table 10.
Address 0x09 Humidity Offset Adjustment Register
Table 16.
Address 0x09 Humidity Offset Adjustment Field Descriptions
8.6.11
Address 0x0A Temperature Threshold LOW
Table 11.
Address 0x0A Temperature Threshold LOW Register
Table 17.
Address 0x0A Temperature Threshold LOW Field Descriptions
8.6.12
Address 0x0B Temperature Threshold HIGH
Table 12.
Address 0x0B Temperature Threshold HIGH Register
Table 18.
Address 0x0B Temperature Threshold HIGH Field Descriptions
8.6.13
Address 0x0C Humidity Threshold LOW
Table 13.
Address 0x0C Humidity Threshold LOW Register
Table 19.
Address 0x0C Humidity Threshold LOW Field Descriptions
8.6.14
Address 0x0D Humidity Threshold HIGH
Table 14.
Address 0x0D Humidity Threshold HIGH Register
Table 20.
Address 0x0D Humidity Threshold HIGH Field Descriptions
8.6.15
Address 0x0E Reset and DRDY/INT Configuration Register
Table 15.
Address 0x0E Configuration Register
Table 21.
Address 0x0E Configuration Field Descriptions
8.6.16
Address 0x0F Measurement Configuration
Table 16.
Address 0x0F Measurement Configuration Register
Table 22.
Address 0x0F Measurement Configuration Field Descriptions
8.6.17
Manufacturer ID Low
Table 17.
Manufacturer ID Low Register
Table 23.
Address 0xFC Manufacturer ID Low Field Descriptions
8.6.18
Manufacturer ID High
Table 18.
Manufacturer ID High Register
Table 24.
Address 0xFD Manufacturer ID High Field Descriptions
8.6.19
Device ID Low
Table 19.
Device ID Low Register
Table 25.
Address 0xFE Device ID Low Field Descriptions
8.6.20
Device ID High
Table 20.
Device ID High Register
Table 26.
Address 0xFF Device ID High Field Descriptions
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Guidelines for HDC2080 Storage and PCB Assembly
11.1.1.1
Storage and Handling
11.1.1.2
Soldering Reflow
11.1.1.3
Rework
11.1.1.4
High Temperature and Humidity Exposure
11.1.1.5
Bake/Re-Hydration Procedure
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DMB|6
MPDS498C
Thermal pad, mechanical data (Package|Pins)
DMB|6
QFND528C
Orderable Information
snas678b_oa
snas678b_pm
8.2
Functional Block Diagram