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SMOD701 Datasheet

Hydrogen Gas Smart Sensing-Module

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Hydrogen Gas Smart Sensing Module
SMOD701
Datasheet
Description
IDT’s SMOD701 is a complete smart sensing solution for
measuring hydrogen (H2) gas in the parts per million range. The
module, consisting of the SMOD smart sensing platform combined
with IDT’s SGAS701 H2 sensor, provides an indication of hydrogen
gas measured both as resistance and as a linear response
proportional to ppm of H2. The SMOD701 communicates with an
external controller or a data logger via a USB interface, and can be
supplied with an I2C or UART interface by special order.
The SGAS701 sensor can be supplied separately from the
SMOD701 Smart Sensing Module. See the SGAS701 Datasheet
for more information.
Figure 1. SMOD701 Smart Sensing Module
Features
High-sensitivity, fast detection of hydrogen gas
Sensor operating parameters can be tailored to specific
hydrogen measurement applications
Targeted toward OEM system integration and peripheral
device applications
Typical Applications
Leak detection
Fuel cell and battery gas measurements
Typical Module Response
Figure 2 and Figure 3 show the typical response and selectivity of the SMOD701 module when operated in clean, dry air.
Figure 2.
Typical H2 Response:
Air applied for 300 seconds, then H2 in
air for 300 seconds, followed by air
Figure 3.
Selectivity Characteristics:
Rs = Resistance in displayed gas
R50 = Resistance in 50ppm H2
1.00E+07
1.00E+06
air
air
1.00E+05
H2
1.00E+04
0
300
600
900
Time (seconds)
10 ppm
25 ppm
50 ppm
100 ppm
500 ppm
1000 ppm
10.00
1.00
air
H2
CO
CH4
0.10
1
ethanol
10
100
1000
Gas Concentration (ppm)
© 2017 Integrated Device Technology, Inc.
1
August 9, 2017


Renesas Electronics Components Datasheet

SMOD701 Datasheet

Hydrogen Gas Smart Sensing-Module

No Preview Available !

SMOD701 Datasheet
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the SMOD701. These ratings, which are standard values for IDT
commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in
the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can affect
product reliability. Electrical parameters are guaranteed only over the recommended operating temperature range.
Table 1. SMOD701 Absolute Maximum Ratings
Symbol
VIN
TAMB
TSTOR
Parameter
Supply Voltage (referenced to ground)
Digital Inputs and Output Voltage Level
Electrostatic Discharge (MIl-STD-883)
Ambient Operating Temperature
Storage Temperature
Conditions
Minimum
-0.5
2000
0
-65
Maximum
12
3.8
50
150
Units
V
V
V
°C
°C
Recommended Operating Conditions
Table 2. Recommended Operating Conditions
Symbol
VIN
TAMB
RH
Parameter
Supply Voltage (referenced to ground)
Ambient Operating Temperature
Ambient Relative Humidity Non-condensing
Minimum
0
0
Typical
9
Maximum
50
95
Units
V
°C
%
DC Electrical Characteristics
Table 3. DC Electrical Characteristics
Symbol
VIN
VIN,RIPPLE
IIN
VHTR
IHTR
VSEN
Parameter
Input Voltage
Input Voltage Ripple
Input Supply Current
Heater Drive Voltage
Heater Drive Current
Sensor Drive Voltage
Conditions
IHTR = 114mA
IHTR = 114mA
Minimum
6.5
Typical
9
120
5.4
112
Maximum
12
100
140
6.0
125
3.0
Units
V
mVPP
mA
V
mA
V
© 2017 Integrated Device Technology, Inc.
2
August 9, 2017



Part Number SMOD701
Description Hydrogen Gas Smart Sensing-Module
Maker Renesas
Total Page 3 Pages
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SMOD701 Datasheet PDF





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