HDC1050 Sensor Datasheet

HDC1050 Datasheet, PDF, Equivalent


Part Number

HDC1050

Description

High Accuracy Digital Humidity Sensor

Manufacture

etcTI

Total Page 29 Pages
Datasheet
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HDC1050
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HDC1050
SNAS658C – MAY 2015 – REVISED DECEMBER 2015
HDC1050 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor
1 Features
1 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.
PART
NUMBER
HDC1050
Device Information (1)
PACKAGE
BODY SIZE (NOM)
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
3.3V
3.3V
3.3V
RH
TEMPERATURE
HDC1050
ADC
Registers
+
Logic
VDD
SDA
SCL
I2C
OTP
Calibration Coefficients
GND
MCU
I2C
Peripheral
VDD
GND
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

HDC1050
HDC1050
SNAS658C – MAY 2015 – REVISED DECEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Typical Application ................................................ 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings.............................................................. 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 I2C Interface Electrical Characteristics ..................... 6
7.7 I2C Interface Timing Requirements ........................ 6
7.8 Typical Characteristics .............................................. 7
8 Detailed Description .............................................. 9
8.1 Overview ................................................................... 9
8.2 Functional Block Diagram ......................................... 9
8.3 Feature Description................................................... 9
8.4 Device Functional Modes.......................................... 9
8.5 Programming........................................................... 10
8.6 Register Map .......................................................... 14
9 Application and Implementation ........................ 17
9.1 Application Information............................................ 17
9.2 Typical Application ................................................. 17
9.3 Do's and Don'ts ...................................................... 18
10 Power Supply Recommendations ..................... 19
11 Layout................................................................... 19
11.1 Layout Guidelines ................................................ 19
11.2 Layout Example .................................................... 19
12 Device and Documentation Support ................. 20
12.1 Documentation Support ........................................ 20
12.2 Community Resources.......................................... 20
12.3 Trademarks ........................................................... 20
12.4 Electrostatic Discharge Caution ............................ 20
12.5 Glossary ................................................................ 20
13 Mechanical, Packaging, and Orderable
Information ........................................................... 20
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (July 2015) to Revision C
Page
• Changed Recovery From Soldering section to Hydration Procedure section. ..................................................................... 18
Changes from Revision A (July 2015) to Revision B
Page
• Added range for Temp sensor only ........................................................................................................................................ 4
• Added operating range for RH sensor ................................................................................................................................... 4
• Added RH condition ............................................................................................................................................................... 5
• Added RH range condition .................................................................................................................................................... 5
• Added long term drift spec .................................................................................................................................................... 5
• Changed recommended operating range. ............................................................................................................................. 5
• Changed Figure 2 .................................................................................................................................................................. 7
• Changed soldering recovery temperature ........................................................................................................................... 18
Changes from Original (July 2015) to Revision A
Page
• Added product preview to full datasheet ............................................................................................................................... 1
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Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design HDC1050 SN AS658C – MAY 2015 – REVISED DECEMBE R 2015 HDC1050 Low Power, High Accuracy Digital Humidity Sensor with Temperatu re Sensor 1 Features •1 Relative Hum idity Accuracy ±3% (typical) • Tempe rature Accuracy ±0.2°C (typical) • 14 Bit Measurement Resolution • 100 n A Sleep Mode Current • Average Supply Current: – 710 nA @ 1sps, 11 bit RH Measurement – 1.3 µA @ 1sps, 11 bit RH and Temperature Measurement • Supp ly Voltage 2.7 V to 5.5 V • Small 3 m m x 3 mm Device Footprint • I2C Inter face 2 Applications • HVAC • Smart Thermostats and Room Monitors • White Goods • Printers • Handheld Meters • Medical Devices • Wireless Senso r (TIDA-00374) 3 Description The HDC10 50 is a digital humidity sensor with in tegrated temperature sensor that provid es excellent measurement accuracy at ve ry low power. The HDC1050 operates over a wide supply range, and is a low cost, low power alternative to .
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