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SDX05G2 Datasheet Preview

SDX05G2 Datasheet

Low cost compensated pressure sensors

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SDX Series
Low cost compensated pressure sensors in DIP package
FEATURES
· 0...1 psi to 0...100 psi
· Low cost DIP package
· Temperature
compensation
· Calibrated zero and span
· Small size
· Low noise
· High impedance for
low power applications
APPLICATIONS
· Medical equipment
· Computer peripherals
· Pneumatic controls
· HVAC
GENERAL DESCRIPTION
The SDX series sensors will provide
a very cost effective solution for
pressure applications that require
small size plus performance. These
internally calibrated and temperature
compensated sensors give an accu-
rate and stable output over a 0 to 50°C
temperature range. This series is in-
tended for use with non-corrosive, non-
ionic working fluids such as air and
dry gases.
Devices are available to measure
absolute, differential and gage
pressures from 1 psi (SDX01) up to
100 psi (SDX100). The absolute (A)
devices have an internal vacuum
reference and an output voltage
proportional to absolute pressure.
The output of the bridge is ratiometric to
the supply voltage and operation from
any D.C. supply voltage up to +20 V is
acceptable.
The SDX devices feature an integrated
circuit sensor element and laser
trimmed thick film ceramic housed in
a compact solvent resistant case. This
package provides excellent corrosion
resistance and isolation to external
Scale:
1 cm
½ inch
package stresses. The DIP package
also provides convenient mounting
and pressure ports for ease of use
with standard plastic tubing for
pressure connection.
All SDX devices are calibrated for span
to within 3.5 % and provide an offset
(zero pressure output) of ±1 mV max.
These parts were designed for low
cost applications where the user can
typically provide fine-adjustment of
zero and span in external circuitry. For
higher accuracies, refer to the SDX-A
series datasheet.
EQUIVALENT CIRCUIT
ELECTRICAL CONNECTION
Vs
P2 1 out + out - 1 P1
out + 1
+Vs
GND GND
+Vs GND P1
+Vs
4 out - out + 4 out - P2 4
vent hole
+ - SDXxxxG2
SDXxxxA2
Top View
SDXxxxD4
Note:
The polarity identicated is for pressure applied to
SDXxxxG2:
P2 (backward gage)
SDXxxxA2:
P1 (forward gage)
SDXxxxD4:
P2 (backward gage)
March 2004 / 062
1/4
http://www.sensortechnics.com




Sensym

SDX05G2 Datasheet Preview

SDX05G2 Datasheet

Low cost compensated pressure sensors

No Preview Available !

SDX Series
Low cost compensated pressure sensors in DIP package
PRESSURE SENSOR CHARACTERISTICS (all devices)
Maximum ratings
Supply voltage V
Maxium pressureS on any port
Lead temperature (soldering 4 sec.)
+20 V
150 psiDgC
250°C
Environmental specifications
Temperatureranges
Compensated
Operating
Storage
Humidity limits
0°C to 50°C
-40°C to +85°C
-55°C to +125°C
0 to 100% RH
STANDARD PRESSURE RANGES
Part number
Operating pressure Proof pressure11
SDX01...
SDX05...
SDX15A2
SDX15...
SDX30A2
SDX30...
SDX100A2
SDX100...
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
* Maximum pressure above which causes permanent sensor failure.
20 psi
20 psi
30 psi
30 psi
60 psi
60 psi
150 psi
150 psi
Full-scale span
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
Typ.
18 mV
60 mV
90 mV
90 mV
90 mV
90 mV
100 mV
100 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
COMMON PERFORMANCE CHARACTERISTICS1
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
Min.
-1.0
---
---
---
---
---
---
1.3
---
---
Typ.
0
±0.2
±0.4
±0.2
±0.2
4.0
4.0
3.0
100
±0.1
Max.
+1.0
±1.0
±2.0
±1.0
±0.5
---
---
5.0
---
---
Unit
mV
%FSO
%FSO
mV
%FSO
k
k
V
µseDcC
mV
Specification notes:
1. Reference conditions: Unless otherwise noted: supply voltage, V = 12 V , TA = 25°C, common-mode line pressure = 0 psig,
pressure applied to port B. For absolute devices only, pressureSis appDliCed to port A and the output polarity is reversed.
2. 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.
3. See Definition of Terms. Hysteresis - the maximum output difference at any point within the operating pressure range for increasing
and decreasing pressure.
4. Maximum error band of the offset voltage and the error band of the span, relative to the 25°C reading.
5. Maximum difference in output at any pressure with the operating pressure range and temperature within 0°C to +50°C after:
a) 100 temperature cycles, 0°C to + 50°C
b) 1.0 million pressure cycles, 0 psi to full-scale span
6. Input impedance is the impedance between pins 2 and 5.
7. Output impedance is the impedance between pins 1 and 3.
8.
9.
This is the common-mode voltage of the output arms (pins 1 and 3) for V = 12 V .
Response time for a 0 psi to full-scale span pressure step change, 10 % tSo 90 % DrCise time.
10. Long term stability over a one year period.
11. 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.
2/4 March 2004 / 062
http://www.sensortechnics.com


Part Number SDX05G2
Description Low cost compensated pressure sensors
Maker Sensym
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