Pressure sensors
Absolute pressure transducers
Preliminary data
Technical data
Absolute maximum ratings
AT2 series
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Temperature ranges
Storage temperature range
Operating temperature range
Soldering temperature
T st
T a
T solder
1)
2)
<5 s (no reflow soldering)
–40
–30
+125
+85
+240
°C
°C
°C
Supply voltage /-current
Supply voltage
DC break down voltage
V DD
V is
5)
6)
500
10
V
V
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Offset / bridge resistance @ T a = 25 °C, V DD = 5 V
Bridge resistance
Offset
R S
V 0
(Pin 2-4)
7)
2.6
–30
3.3
0
4.0
+30
k ?
mV
Data in temperature range @ T a = –30 ... 85 °C, V DD = 5 V
Temperature hysteresis
10)
± 0.1
± 0.5
% FS
10 /K
Temperature coefficients of the
α Rs
11)
2.0
2.3
2.6
-3
10 /K
bridge resistance
β Rs
3
5
8
-6
2
10 /K
Temperature coefficients of the
α S
12)
–2.5
–2.2
–1.9
-3
10 /K
sensitivity
β S
3
5
8
-6
2
Temperature coefficient of offset
TCV 0
13)
± 4
μV/VK
Data dependent on rated pressure @ T a = 25 °C, V DD = 5 V
Rated pressure p r
3)
TCV 0
13)
Sensitivity S
8)
Nonlinearity L
9)
Overpressure p ov
4)
Max.
Min.
Typ.
Max.
Typ.
Max.
Min.
bar
1.600
2.500
4.000
6.000
10.00
16.00
25.00
μV/VK
± 10
± 10
± 10
± 10
± 10
± 10
± 10
mV/bar
45
36
23
15
9
6.4
4.1
mV/bar
70
49
31
21
12
7.8
5
mV/bar
95
60
38
25
15
9
5.9
% FS
± 0.2
% FS
± 0.3
bar
4
5
6
9
15
24
37.5
AS SEN PD
Please read Cautions and warnings and
Important notes at the end of this document .
Page 3 of 7
2009-08-03
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