SI7013-A10-IM1R datasheet, PDF

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SI7013-A10-IM1R: DescriptionIC temp sensor RH 2% 10dfn; CategoryThe sensor Sensor/transducer; File Size368KB，43 Pages; ManufacturerSilicon Laboratories Inc

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SI7013-A10-IM1R Overview

IC temp sensor RH 2% 10dfn

SI7013-A10-IM1R Parametric

Parameter Name	Attribute value
Maker	Silicon Laboratories Inc
Reach Compliance Code	unknown
Maximum accuracy (Celsius)	0.4 Cel
body width	3 mm
body height	1.21 mm
Body length or diameter	3 mm
Installation features	SURFACE MOUNT
Number of digits	14
Maximum working current	4 mA
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Output interface type	I2C INTERFACE
Package Shape/Form	SQUARE
Sensor/Transducer Type	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage	3.6 V
Minimum supply voltage	1.9 V
surface mount	YES
Termination type	SOLDER

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Si7013

C H

UMIDITY

Features



AND

W O

- Z

ONE

EMPERATURE

ENSOR

Precision Relative Humidity Sensor





± 3% RH (max), 0–80% RH



High Accuracy Temperature Sensor





±0.4 °C (max), –10 to 85 °C



0 to 100% RH operating range

Up to –40 to +125 °C operating

range



Low Voltage Operation (1.9 to 3.6 V)



Low Power Consumption





150 µA active current



60 nA standby current

Factory-calibrated

C Interface

Integrated on-chip heater

Auxiliary Sensor input



Direct readout of remote

thermistor temperature in °C

Package: 3x3 mm DFN

Excellent long term stability

Optional factory-installed cover



Low-profile



Protection during reflow



Excludes liquids and particulates

Si7013

Ordering Information:

See page 35.

Applications

HVAC/R



Thermostats/humidistats



Instrumentation



White goods



Micro-environments/data centers



Industrial Controls



Indoor weather stations



Pin Assignments

Description

The Si7013 I

C Humidity and 2-Zone Temperature Sensor is a monolithic CMOS

IC integrating humidity and temperature sensor elements, an analog-to-digital

converter, signal processing, calibration data, and an I

C Interface. The patented

use of industry-standard, low-K polymeric dielectrics for sensing humidity enables

the construction of low-power, monolithic CMOS Sensor ICs with low drift and

hysteresis, and excellent long term stability.

The humidity and temperature sensors are factory-calibrated and the calibration

data is stored in the on-chip non-volatile memory. This ensures that the sensors

are fully interchangeable, with no recalibration or software changes required.

An auxiliary sensor input with power management can be tied directly to an

external thermistor network or other voltage-output sensor. On-board logic

performs calibration/linearization of the external input using user-programmable

coefficients. The least-significant bit of the Si7013's I

C address is programmable,

allowing two devices to share the same bus.

The Si7013 is available in a 3x3 mm DFN package and is reflow solderable. The

optional factory-installed cover offers a low profile, convenient means of protecting

the sensor during assembly (e.g., reflow soldering) and throughout the life of the

product, excluding liquids (hydrophobic/oleophobic) and particulates.

The Si7013 offers an accurate, low-power, factory-calibrated digital solution ideal

for measuring humidity, dew-point, and temperature, in applications ranging from

HVAC/R and asset tracking to industrial and consumer platforms.

SDA

AD0/VOUT

GNDD

GNDA

VSNS

Top View

SCL

9 VDDD

8 VDDA

VINN

VINP

Patent Protected. Patents pending

Rev. 0.95 11/13

Si7013

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

Si7013

ABLE

Section

ONTENTS

Page

1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2. Typical Application Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3. Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.1. Relative Humidity Sensor Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.2. Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.3. Prolonged Exposure to High Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

4.4. PCB Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.5. Protecting the Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.6. Bake/Hydrate Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.7. Long Term Drift/Aging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5. I2C Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.1. Issuing a Measurement Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.2. Reading and Writing User Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.3. Measuring Analog Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.4. Nonlinear Correction of Voltage Inputs: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.5. Firmware Revision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.6. Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.7. Electronic Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

6. Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

6.1. Register Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7. Pin Descriptions: Si7013 (Top View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

9. Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

9.1. Package Outline: 3x3 10-pin DFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

9.2. Package Outline: 3x3 10-pin DFN with Protective Cover . . . . . . . . . . . . . . . . . . . . . 38

10. PCB Land Pattern and Solder Mask Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

11. Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

11.1. Si7013 Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

11.2. Top Marking Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

12. Additional Reference Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Rev. 0.95

SI7013-A10-IM1R Related Products

	SI7013-A10-IM1R	SI7013-A10-GM1R	SI7013-A10-GMR	SI7013-A10-IMR	SI7013-A10-IM	SI7013-A10-IM1	SI7013-A10-YM1R	SI7013-A10-YM1	SI7013-A10-YM0	SI7013-A10-YM0R
Description	IC temp sensor RH 2% 10dfn	IC temp sensor RH 2% dfn	IC temp sensor RH 2% dfn	IC temp sensor RH 2% 10dfn	IC temp sensor RH 2% 10dfn	IC temp sensor RH 2% 10dfn	Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount, 3 X 3 MM, DFN-10	Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount, 3 X 3 MM, DFN-10	Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount, 3 X 3 MM, DFN-10	Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount, 3 X 3 MM, DFN-10
Maker	Silicon Laboratories Inc	Silicon Laboratories Inc	Silicon Laboratories Inc	Silicon Laboratories Inc	Silicon Laboratories Inc	Silicon Laboratories Inc	Silicon Laboratories Inc	Silicon Laboratories Inc	Silicon Laboratories Inc	Silicon Laboratories Inc
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
Maximum accuracy (Celsius)	0.4 Cel	0.4 Cel	0.4 Cel	0.4 Cel	0.4 Cel	0.4 Cel	0.4 Cel	0.4 Cel	0.4 Cel	0.4 Cel
body width	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
body height	1.21 mm	1.21 mm	0.75 mm	0.75 mm	0.75 mm	1.21 mm	1.21 mm	1.21 mm	0.75 mm	0.75 mm
Body length or diameter	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Number of digits	14	14	14	14	14	14	14	14	14	14
Maximum working current	4 mA	4 mA	4 mA	4 mA	4 mA	4 mA	4 mA	4 mA	4 mA	4 mA
Maximum operating temperature	125 °C	85 °C	85 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Output interface type	I2C INTERFACE	I2C INTERFACE	I2C INTERFACE	I2C INTERFACE	I2C INTERFACE	I2C INTERFACE	I2C INTERFACE	I2C INTERFACE	I2C INTERFACE	I2C INTERFACE
Package Shape/Form	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Sensor/Transducer Type	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
Minimum supply voltage	1.9 V	1.9 V	1.9 V	1.9 V	1.9 V	1.9 V	1.9 V	1.9 V	1.9 V	1.9 V
surface mount	YES	YES	YES	YES	YES	YES	YES	YES	YES	YES
Termination type	SOLDER	SOLDER	SOLDER	SOLDER	SOLDER	SOLDER	SOLDER	SOLDER	SOLDER	SOLDER

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