Pressure sensors
Gauge pressure transducers
AK2 series
Technical data
Absolute maximum ratings
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Temperature ranges
Storage temperature range
Operating temperature range
Soldering temperature
Supply voltage /-current
Supply voltage
1)
2)
Tst
–40
–30
+125
+85
°C
°C
°C
Ta
Tsolder
<5 s (no reflow soldering)
+240
5)
VDD
10
V
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Offset / bridge resistance @ Ta = 25 °C, VDD = 5 V
Bridge resistance RS
Chip type C41 (pin1-3)
Chip type C27 (pin1-3)
4.0
2.6
2.7
–25
5.0
3.3
3.2
0
6.0
4.0
3.7
+25
kΩ
kΩ
kΩ
mV
Chip type C28 (pin1-3)
6)
Offset
V0
Data in temperature range @ Ta = –30 ... 85 °C, VDD = 5 V
9)
Temperature hysteresis
% FS
0.1
2.4
6
0.5
2.7
8
10)
Temperature coefficients of the
2.1
4
10-3/K
10-6/K2
10-3/K
10-6/K2
µV/VK
αRs
bridge resistance
βRs
11)
Temperature coefficients of the
–2.4
3
–2.2
5
–2.0
8
αS
sensitivity
βS
12)
Temperature coefficient of offset
TCV0
4
Data dependent on rated pressure @ Ta = 25 °C, VDD = 5 V
3)
4)
Sensitivity S 7)
Nonlinearity L 8)
Overpressure pov
Rated pressure pr
Chip type
Min.
mV/bar
Typ.
mV/bar
Max.
Typ.
% FS
Max.
% FS
Min.
bar
bar
mV/bar
1280
833
700
480
375
150
60
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
1000
700
500
400
300
120
48
0.25
0.35
0.5
0.6
1
1
1.75
1.5
1
0.75
0.5
0.5
1
0.5
1
3
0.25
0.25
0.25
0.25
0.25
0.5
0.5
0.5
0.5
0.5
36
5
15
20
25
9
9
12
15
24
37.5
3.6
4.8
6
AS SEN PD
2009-08-03
Please read Cautions and warnings and
Page 3 of 7
Important notes at the end of this document.
EPCOS [ EPCOS ]
