SNAS678C
May 2018 – July 2021
HDC2080
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Pin Configuration and 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
Switching Characteristics
7.7
Timing Diagram
7.8
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
8.6.2
Address 0x01 Temperature MSB
8.6.3
Address 0x02 Humidity LSB
8.6.4
Address 0x03 Humidity MSB
8.6.5
Address 0x04 Interrupt DRDY
8.6.6
Address 0x05 Temperature MAX
8.6.7
Address 0x06 Humidity MAX
8.6.8
Address 0x07 Interrupt Configuration
8.6.9
Address 0x08 Temperature Offset Adjustment
8.6.10
Address 0x09 Humidity Offset Adjustment
8.6.11
Address 0x0A Temperature Threshold LOW
8.6.12
Address 0x0B Temperature Threshold HIGH
8.6.13
Address 0x0C Humidity Threshold LOW
8.6.14
Address 0x0D Humidity Threshold HIGH
8.6.15
Address 0x0E Reset and DRDY/INT Configuration Register
8.6.16
Address 0x0F Measurement Configuration
8.6.17
Manufacturer ID Low
8.6.18
Manufacturer ID High
8.6.19
Device ID Low
8.6.20
Device ID High
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
Support 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
snas678c_oa
snas678c_pm
12.1
Documentation Support