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PDF CCS811 Data sheet ( Hoja de datos )
| Número de pieza | CCS811 | |
| Descripción | Ultra-Low Power Digital Gas Sensor | |
| Fabricantes | ams | |
| Logotipo |  |
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General Description
CCS811
Ultra-Low Power Digital Gas Sensor for
Monitoring Indoor Air Quality
The CCS811 is an ultra-low power digital gas sensor solution
which integrates a metal oxide (MOX) gas sensor to detect a
wide range of Volatile Organic Compounds (VOCs) for indoor
air quality monitoring with a microcontroller unit (MCU), which
includes an Analog-to-Digital converter (ADC), and an I²C
interface.
CCS811 is based on ams unique micro-hotplate technology
which enables a highly reliable solution for gas sensors, very
fast cycle times and a significant reduction in average power
consumption.
The integrated MCU manages the sensor drive modes and raw
sensor data measured while detecting VOCs. The I²C digital
interface significantly simplifies the hardware and software
design, enabling a faster time to market.
CCS811 supports intelligent algorithms to process raw sensor
measurements to output a TVOC value or equivalent CO2 (eCO2)
levels, where the main cause of VOCs is from humans.
CCS811 supports multiple measurement modes that have been
optimized for low-power consumption during an active sensor
measurement and idle mode extending battery life in portable
applications.
CCS811 is available in a 10 lead 2.7mm x 4.0mm x 1.1mm, 0.6mm
pitch LGA package.
Ordering Information and Content Guide appear at end of
datasheet.
ams Datasheet
[v1-02] 2017-Mar-15
Page 1
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1 page  
CCS811 − Absolute Maximum Ratings
Absolute Maximum Ratings
Figure 5:
Absolute Maximum Ratings
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. These are stress
ratings only. Functional operation of the device at these or any
other conditions beyond those indicated under Electrical
Characteristics is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device
reliability
Symbol
Parameter
Min Max
Electrical Parameters
VDD (1)
IDD
P
ESDHBM
Supply Voltage
Supply Current
Power Consumption
Human Body Model
1.8(2)
3.6
30
60
Electrostatic Discharge
±2000
Environmental Conditions
TAMB
TSTRG
RHNC
LT (3)
Ambient Temperature for Operation
Storage Temperature
Relative Humidity (non-condensing)
Product Lifetime
-5 50
-40 125
10 95
>5
MSL Moisture Sensitivity Level
1
Units
Comments
V
mA In mode 1
mW In mode 1
V
oC
oC
%
Years
In mode 1
Unlimited max.
floor life time
Note(s):
1. The supply voltage VDD is sampled during boot and should not vary during operation.
2. The minimum supply voltage VDD is 1.8V and should not drop below this value for reliable device operation.
3. Product lifetime for CCS811 will be longer in modes 2 and 3.
ams Datasheet
[v1-02] 2017-Mar-15
Page 5
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5 Page 
CCS811 − Detailed Description
Note(s):
1. If a value is written to the BASELINE register while the
sensor is stabilising, the output of the TVOC and eCO2
calculations may be higher than expected.
2. The baseline must be written after the conditioning
period
For additional information on using the CCS811 please refer to
application note ams AN000369: CCS811 Programming and
Interfacing Guide.
ams Datasheet
[v1-02] 2017-Mar-15
Page 11
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| PDF Descargar | [ Datasheet CCS811.PDF ] | |
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