Data Sheet

ManualsBrandsE+E Elektronik ManualsActive ComponentsHTE501-TRCT Temperature and humidity sensor -40 up to 135 °C

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HTE501

CONTENTS

Introduction to the E+E Digital Humidity and Temperature Sensor ......................................................1

1 Pin Configuration ................................................................................................................................5

2 Typical Application .............................................................................................................................. 5

3 Specifications ......................................................................................................................................6

3.1 Relative Humidity Sensor ..............................................................................................................................6

3.2 Temperature Sensor ......................................................................................................................................6

3.3 Recommended Operating Conditions ...........................................................................................................7

4 Electrical Characteristics ...................................................................................................................8

4.1 Absolute Maximum Ratings ...........................................................................................................................8

4.2 Electrical Specification ..................................................................................................................................8

5 Interface ............................................................................................................................................. 11

5.1 Pin Configuration, Assignment and Description ..........................................................................................11

5.2 Supply Pins (V

, GND) ..............................................................................................................................11

5.3 I

C Communication .....................................................................................................................................12

5.4 I

C Address Pins .........................................................................................................................................12

5.5

Pin ...........................................................................................................................................................12

6 Sensor Communication ....................................................................................................................13

6.1 Command Overview ....................................................................................................................................13

6.2 Measured Data Format ...............................................................................................................................13

6.3 Measurement Modes ...................................................................................................................................13

6.4 Single Shot Measurement (0x2C1B, 0x241D) ............................................................................................14

6.5 Periodic Measurement (0x201E) .................................................................................................................15

6.6 Fetch Periodic RH&T Measurement Results (0xE000) ...............................................................................16

6.7 Fetch Td Measurement Results (0xE016) ...................................................................................................16

6.8 Break Command (0x3093) ..........................................................................................................................17

6.9 Reset Commands (0x30A2, 0x06) ..............................................................................................................17

6.10 Status Register (0xF32D, 0xF352, 0x3041) ................................................................................................18

6.11 Read Identification (0x7029) .......................................................................................................................20

6.12 Constant Current Heater (0x306D, 0x3066) ................................................................................................20

6.13 Change Sensor Settings (0x72A7) ..............................................................................................................21

6.14 CRC Calculation ..........................................................................................................................................22

6.15 Package / Dimensions .................................................................................................................................22

6.16 Tape and Reel Packaging ...........................................................................................................................23

6.17 Traceability ..................................................................................................................................................24

6.18 Ordering Information ...................................................................................................................................24

6.19 Recommended Layout ................................................................................................................................25

7 Quality ................................................................................................................................................25

8 Additional Documentation ................................................................................................................25

9 Revision History ................................................................................................................................25