SDX Series
Low cost compensated pressure sensors in DIP package
2/4
June 2008 / 062
www.sensortechnics.com
Specification notes:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Part number
SDX01...
SDX05...
SDX15A...
SDX15G2, ...D4
SDX30A...
SDX30G2, ...D4
SDX100A...
SDX100G2, ...D4
Operating pressure
0 - 1 psig/d
0 - 5 psig/d
0 - 15 psia
0 - 15 psig/d
0 - 30 psia
0 - 30 psig/d
0 - 100 psia
0 - 100 psig/d
Proof pressure11
20 psi
20 psi
30 psi
30 psi
60 psi
60 psi
150 psi
150 psi
Full-scale span1,2
Characteristic
Zero pressure offset
Combined linearity and hysteresis3
Temperature effect on span (0 to 50°C)4
Temperature effect on offset (0 to 50°C)4
Repeatability5
Input impedance6
Output impedance7
Common-mode voltage8
Response time9
Long term stability of offset and span10
Unit
mV
%FSO
%FSO
mV
%FSO
k
Ω
k
Ω
V
DC
µsec
mV
Max.
+1.0
±1.0
±2.0
±1.0
±0.5
---
---
5.0
---
---
Typ.
0
±0.2
±0.4
±0.2
±0.2
4.0
4.0
3.0
100
±0.1
Min.
-1.0
---
---
---
---
---
---
1.3
---
---
STANDARD PRESSURE RANGES
* Maximum pressure above which causes permanent sensor failure.
COMMON PERFORMANCE CHARACTERISTICS1
PRESSURE SENSOR CHARACTERISTICS (all devices)
Maximum ratings
Supply voltage V
S
+20 V
DC
Maxium pressure on any port
150 psig
Lead temperature (soldering 4 sec.)
250°C
Environmental specifications
Temperature ranges
Compensated
0 to 50°C
Operating
-40 to +85°C
Storage
-55 to +125°C
Humidity limits
0 to 100% RH
Typ.
18 mV
60 mV
90 mV
90 mV
90 mV
90 mV
100 mV
100 mV
Min.
17.37 mV
57.9 mV
86.85 mV
86.85 mV
86.85 mV
86.85 mV
96.5 mV
96.5 mV
Max.
18.63 mV
62.1 mV
93.15 mV
93.15 mV
93.15 mV
93.15 mV
103.5 mV
103.5 mV
Reference conditions: supply voltage, V
S = 12 VDC, TA = 25°C, common-mode line pressure = 0 psig, pressure applied to port 2.
For absolute devices only, pressure is applied to port 1 and the output polarity is reversed.
Span is the algebraic difference between the output voltage at full-scale pressure and the output at zero pressure. Span is
ratiometric to the supply voltage.
See Definition of Terms. Hysteresis - the maximum output difference at any point within the operating pressure range for
increasing and decreasing pressure.
Maximum error band of the offset voltage and the error band of the span, relative to the 25°C reading.
Maximum difference in output at any pressure with the operating pressure range and temperature within 0 to +50°C after:
a)
100 temperature cycles, 0 to + 50°C
b)
1.0 million pressure cycles, 0 psi to full-scale span
Input impedance is the impedance between pins 2 and 5.
Output impedance is the impedance between pins 1 and 3.
This is the common-mode voltage of the output arms (pins 1 and 3) for V
S = 12 VDC.
Response time for a 0 psi to full-scale span pressure step change, 10 to 90 % rise time.
Long term stability over a one year period.
Maximum pressure at any port is the maximum operating plus common-mode pressure which can be applied. The proof
pressure for the forward gage of all devices in the D4-package is the specified value or 100 psi, whatever is less.
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