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ASCX Series Compatible Pressure Sensors
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COMPATIBLE TO SENSYM ASCX SERIES
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Features
• 5 Vdc Supply
• High Level Voltage Output
• Ratiometric 4.5 V Span
• Temperature Compensated
• Calibrated Zero and Span
• MULTIPLE Pressure Ranges
all sensors
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f
408 225 2079
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Applications
• Medical Instrumentation
• Environmental Instrumentation
• HVAC Instrumentation
• Pneumatic Controls
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General Description
The Amplified line of middle pressure sensors is based upon a proprietary package technology to reduce errors. This model provides a
ratiometric 4.5-volt output span with superior output characteristics. The sensor housing has been designed specifically to
reduce package induced parasitic stress and strain.
In addition the sensor utilizes a silicon, micromachined, stress
concentration enhanced structure to provide a very linear output to measured pressure.
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These calibrated and temperature compensated sensors give an accurate and stable output over a wide temperature range.
Each sensor is internally compensated using an ASIC compensation technique. This series is intended for use with non-
corrosive, non-ionic working fluids such as air, dry gases and the like.
The output of the device is ratiometric to the supply voltage over a supply voltage range of 4.5 to 5.5 volts.
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Physical Dimensions
0.25
(6.4)
Pin Size
0.010 x 0.020
(0.25 x 0.50)
0.174 to 0.190
(4.4 to 4.8)
Pin 1 2 3 4
1
0.21
(5.3)
A
1.08
(27.4)
0.66
(16.0)
B
0.42
(10.5)
0.10 Typical
(2.54)
Equivalent Circuit
Pin 1: Vsupply
p
408 225 4314
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-
+
Pin 2: Voutput
a
16035 Vineyard Blvd., Morgan Hill, CA 95037
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Pin 3: Common
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0.48
(12.2)
0.55
(14.0)
0.80
(20.3)
0.85
(21.6)
1.10
(27.9)
NOTES:
1) Dimensions in inches (millimeters)
Pin
Pin
Pin
Pin
1: Vsupply
2: Voutput
3: Common
4: Do not connect
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All Sensors reserves the right to make changes to any products herein. All Sensors does not assume any liability arising out of the application or use of any product or circuit
described herein, neither does it convey any license under its patent rights nor the rights of others.
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All Sensors
06/20/2006
ASCX Series Compatible Rev A
Origina
DS-0023 Rev A
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Maximum Ratings
Supply Voltage, Vs
Lead Soldering Temperature (2-4 sec.)
Quiescent Current
(6)
Environmental Specifications
+4.5 to +5.5 Vdc
250 °C
7.5 mA
Compensated Temperature
Operating Temperature
Storage Temperature
Humidity Limits (non condensing)
Operating Pressure
0 - 1 PSID
0 - 5 PSID
0 - 15 PSID
0 - 15 PSIA
0 - 30 PSID
0 - 30 PSIA
0 - 100 PSID
0 - 100 PSIA
Proof Pressure
5 PSI
15 PSI
45 PSI
45 PSI
100 PSI
100 PSI
150 PSI
150 PSI
0 to 70°C
-25 to 105°C
-55 to 125°C
0 to 95% RH
Burst Pressure
10 PSI
30 PSI
75 PSI
75 PSI
150 PSI
150 PSI
150 PSI
150 PSI
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Pressure Ranges
Part Number
1 PSI-D-4V-ASCX
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5 PSI-D-4V-ASCX
15 PSI-D-4V-ASCX
15 PSI-A-4V-ASCX
30 PSI-D-4V-ASCX
30 PSI-A-4V-ASCX
100 PSI-D-4V-ASCX
100 PSI-A-4V-ASCX
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Performance Characteristics for 1/5 PSI-D-4V-ASCX
Parameter
(1)
(5)
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Minimum
4.43
-
0.18
-
(4)
Nominal
4.50
±0.2
0.25
±0.5
±0.1
±0.2
100
Maximum
4.57
±1.5
0.32
±1.5
±0.5
±0.5
-
Units
Volt
%Span
Volt
%Span
%Span
% Span
uSec
Output Span
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Span Shift (0 °C to 70 °C)
Offset Voltage @ zero pressure
Offset Shift (0 °C to 70 °C)
(2)
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Combined Linearity and Hysteresis Error
Repeatability
(7)
(8)
-
-
-
Response Time
Performance Characteristics for 15/30/100 PSI-x-4V-ASCX
Parameter
(1)
(5)
Minimum
4.45
-
0.20
-
(4)
Nominal
4.50
±0.2
0.25
±0.5
±0.1
±0.2
100
Maximum
4.55
±1.0
0.30
±1.0
±0.5
±0.5
-
Units
Volt
%Span
Volt
%Span
%Span
% Span
uSec
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Output Span
Span Shift (0 °C to 70 °C)
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Offset Voltage @ zero pressure
Offset Shift (0 °C to 70 °C)
(2)
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Combined Linearity and Hysteresis Error
Repeatability
(7)
(8)
-
-
-
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Response Time
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Specification Notes
1) A
LL PARAMETERS ARE MEASURED AT
5.0
VOLT EXCITATION
,
FOR THE NOMINAL FULL SCALE PRESSURE AND ROOM TEMPERATURE UNLESS OTHERWISE SPECIFIED
.
P
RESSURE MEASUREMENTS ARE WITH POSITIVE PRESSURE APPLIED TO
P
ORT
B. A
BSOLUTE DEVICES ARE WITH PRESSURE APPLIED TO
P
ORT
A.
2) S
HIFT IS RELATIVE TO
25°C.
4) M
EASURED AT ONE
-
HALF FULL SCALE RATED PRESSURE USING BEST STRAIGHT LINE CURVE FIT FOR THE SPAN INDICATED
.
5) T
HE VOLTAGE ADDED TO THE OFFSET VOLTAGE AT FULL SCALE PRESSURE
. N
OMINALLY THE OUTPUT VOLTAGE RANGE IS
0.25
TO
4.75
VOLTS FOR MINUS TO
PLUS FULL SCALE PRESSURE
.
6) P
ARAMETER IS COMPUTED AS MAXIMUM FOR DESIGN REFERENCE AND IS NOT TESTED
.
7) M
AXIMUM DIFERENCE IN OUTPUT AT ANY PRESSURE WITHIN THE OPERATING PRESSURE RANGE AND COMPENSATED TEMPERATURE RANGE AFTER
: A) 1000
TEMPERATURE CYCLES AND
B) 1.0
MILLION PRESSURE CYCLES
.
8) R
ESPONSE TIME FOR A ZERO TO
F
ULL
S
CALE PRESSURE STEP CHANGE
, 10%
TO
90%
RISE TIME
.
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ASCX Series Compatible Rev A
Origina
DS-0023 Rev A
Microchip MCU
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