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SI7021-A10-GM1R

Description
IC temp sensor RH 2% dfn
CategoryThe sensor   
File Size355KB,33 Pages
ManufacturerSilicon Laboratories Inc
Environmental Compliance
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SI7021-A10-GM1R Overview

IC temp sensor RH 2% dfn

SI7021-A10-GM1R Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSilicon Laboratories Inc
Reach Compliance Codeunknow
Maximum accuracy (Celsius)0.4 Cel
body width3 mm
body height0.75 mm
Body length or diameter3 mm
Installation featuresSURFACE MOUNT
Number of digits14
Maximum working current4 mA
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output interface typeI2C INTERFACE
Package Shape/FormSQUARE
Sensor/temperature sensor typeTEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage3.6 V
Minimum supply voltage1.9 V
surface mountYES
Termination typeSOLDER
Si 7 0 2 1 - A1 0
I
2
C H
UMIDITY
Features
AND
T
EMPERATURE
S
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
Wide operating voltage
(1.9 to 3.6 V)
Low Power Consumption

150 µA active current

60 nA standby current
Factory-calibrated
I
2
C Interface
Integrated on-chip heater
3x3 mm DFN Package
Excellent long term stability
Optional factory-installed cover

Low-profile

Protection during reflow

Excludes liquids and particulates
Si7021
Ordering Information:
See page 27.
Micro-environments/data centers
Automotive climate control and
defogging
Asset and goods tracking
Mobile phones and tablets
Applications
HVAC/R
Thermostats/humidistats
Respiratory therapy
White goods
Indoor weather stations
Pin Assignments
Top View
Description
The Si7021 I
2
C Humidity and 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
2
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.
The Si7021 is available in a 3x3 mm DFN package and is reflow solderable. It can
be used as a hardware- and software-compatible drop-in upgrade for existing RH/
temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing
over a wider range and lower power consumption. 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 Si7021 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
GND
DNC
1
2
3
6
5
4
SCL
VDD
DNC
Patent Protected. Patents pending
Rev. 1.0 3/14
Copyright © 2014 by Silicon Laboratories
Si7021-A10

SI7021-A10-GM1R Related Products

SI7021-A10-GM1R SI7021-A10-IMR SI7021-A10-IM1R SI7021-A10-IM1 SI7021-A10-GMR SI7021-A10-YM0 SI7021-A10-YM0R SI7021-A10-YM1 SI7021-A10-YM1R
Description IC temp sensor RH 2% dfn IC temp sensor RH 2% 6dfn IC temp sensor RH 2% 6dfn IC temp sensor RH 2% 6dfn IC temp sensor RH 2% dfn Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount, 3 X 3 MM, QFN-6 Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount, 3 X 3 MM, QFN-6 Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount, 3 X 3 MM, QFN-6 Serial Switch/Digital Sensor, 14 Bit(s), 0.40Cel, Square, Surface Mount, 3 X 3 MM, QFN-6
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
Reach Compliance Code unknow unknow unknow unknow unknow unknow unknow unknow unknow
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
body width 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm
body height 0.75 mm 0.75 mm 0.75 mm 0.75 mm 0.75 mm 0.75 mm 0.75 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
Installation features 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
Maximum working current 4 mA 4 mA 4 mA 4 mA 4 mA 4 mA 4 mA 4 mA 4 mA
Maximum operating temperature 85 °C 125 °C 125 °C 125 °C 85 °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
Output interface type 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
Sensor/temperature sensor 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
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
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
surface mount YES YES YES YES YES YES YES YES YES
Termination type SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER
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Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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