Pressure sensors
Gauge pressure transducers
Technical data
Absolute maximum ratings
AK2 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
V DD
5)
10
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
Chip type C41 (pin1-3)
Chip type C27 (pin1-3)
Chip type C28 (pin1-3)
6)
4.0
2.6
2.7
–25
5.0
3.3
3.2
0
6.0
4.0
3.7
+25
k ?
k ?
k ?
mV
Data in temperature range @ T a = –30 ... 85 °C, V DD = 5 V
Temperature hysteresis
9)
± 0.1
± 0.5
% FS
10 /K
Temperature coefficients of the
α Rs
10)
2.1
2.4
2.7
-3
10 /K
bridge resistance
β Rs
4
6
8
-6
2
10 /K
Temperature coefficients of the
α S
11)
–2.4
–2.2
–2.0
-3
10 /K
sensitivity
β S
3
5
8
-6
2
Temperature coefficient of offset
TCV 0
12)
± 4
μV/VK
Data dependent on rated pressure @ T a = 25 °C, V DD = 5 V
Rated pressure p r
3)
Chip type
Sensitivity S
7)
Nonlinearity L
8)
Overpressure p ov
4)
Min.
Typ.
Max.
Typ.
Max.
Min.
bar
mV/bar
mV/bar
mV/bar
% FS
% FS
bar
0.025
0.060
0.100
0.250
0.400
1.000
2.500
6.000
10.00
25.00
C41
C41
C27
C27
C27
C27
C28
C28
C28
C28
640
450
350
300
225
90
36
15
9
3.6
1000
700
500
400
300
120
48
20
12
4.8
1280
833
700
480
375
150
60
25
15
6
± 1
± 0.75
± 0.5
± 0.5
± 0.5
± 0.25
± 0.25
± 0.25
± 0.25
± 0.25
± 1.75
± 1.5
± 1
± 1
± 1
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
0.25
0.35
0.5
0.6
1
3
5
9
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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