SNAS658C May   2015  – December 2015 HDC1050

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Typical Application
  5. 5 Revision History
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 I2C Interface Electrical Characteristics
    7. 7.7 I2C Interface Timing Requirements
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Power Consumption
      2. 8.3.2 Voltage Supply Monitoring
      3. 8.3.3 Heater
    4. 8.4 Device Functional Modes
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
        1. 8.5.1.1 Serial Bus Address
        2. 8.5.1.2 Read and Write Operations
        3. 8.5.1.3 Device Measurement Configuration
    6. 8.6 Register Map
      1. 8.6.1 Temperature Register
      2. 8.6.2 Humidity Register
      3. 8.6.3 Configuration Register
      4. 8.6.4 Serial Number Registers
      5. 8.6.5 Manufacturer ID Register
      6. 8.6.6 Device Register ID
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
    3. 9.3 Do's and Don'ts
      1. 9.3.1 Soldering
      2. 9.3.2 Hydration Procedure
      3. 9.3.3 Chemical Exposure and Sensor Protection
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • Relative Humidity Accuracy ±3% (typical)
  • Temperature Accuracy ±0.2°C (typical)
  • 14 Bit Measurement Resolution
  • 100 nA Sleep Mode Current
  • Average Supply Current:
    • 710 nA @ 1sps, 11 bit RH Measurement
    • 1.3 µA @ 1sps, 11 bit RH and Temperature Measurement
  • Supply Voltage 2.7 V to 5.5 V
  • Small 3 mm x 3 mm Device Footprint
  • I2C Interface

2 Applications

  • HVAC
  • Smart Thermostats and Room Monitors
  • White Goods
  • Printers
  • Handheld Meters
  • Medical Devices
  • Wireless Sensor (TIDA-00374)

3 Description

The HDC1050 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1050 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated.

Device Information (1)

PART NUMBER PACKAGE BODY SIZE (NOM)
HDC1050 PWSON (6-pin) DMB 3.00 mm x 3.00 mm
  1. For all available packages, see the orderable addendum at the end of the datasheet.

4 Typical Application

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