AK2 Datasheet, PDF (3/7 Pages) EPCOS – Pressure sensors AK2 series

Pressure sensors
Gauge pressure transducers
AK2 series
Technical data
Absolute maximum ratings
Parameter
Temperature ranges
Storage temperature range
Operating temperature range
Soldering temperature
Supply voltage /-current
Supply voltage
Symbol
Tst
Ta
Tsolder
VDD
Conditions
1)
2)
<5 s (no reflow soldering)
5)
Parameter
Symbol Conditions
Offset / bridge resistance @ Ta = 25 °C, VDD = 5 V
Bridge resistance
RS
Chip type C41 (pin1-3)
Chip type C27 (pin1-3)
Offset
Chip type C28 (pin1-3)
V0
6)
Data in temperature range @ Ta = –30 ... 85 °C, VDD = 5 V
Temperature hysteresis
9)
Temperature coefficients of the
αRs
10)
bridge resistance
βRs
Temperature coefficients of the
αS
11)
sensitivity
βS
Temperature coefficient of offset
TCV0
12)
Min.
–40
–30
Min.
4.0
2.6
2.7
–25
2.1
4
–2.4
3
Typ.
Typ.
5.0
3.3
3.2
0
±0.1
2.4
6
–2.2
5
±4
Max.
Unit
+125
°C
+85
°C
+240
°C
10
V
Max.
Unit
6.0
kΩ
4.0
kΩ
3.7
kΩ
+25
mV
±0.5
2.7
8
–2.0
8
% FS
10^-3/K
10^-6/K²
10^-3/K
10^-6/K²
µV/VK
Data dependent on rated pressure @ Ta = 25 °C, VDD = 5 V
Rated pressure pr ³⁾ Chip type
Sensitivity S ⁷⁾
Min.
Typ.
Max.
bar
mV/bar mV/bar mV/bar
0.025
C41
640
1000
1280
0.060
C41
450
700
833
0.100
C27
350
500
700
0.250
C27
300
400
480
0.400
C27
225
300
375
1.000
C27
90
120
150
2.500
C28
36
48
60
6.000
C28
15
20
25
10.00
C28
9
12
15
25.00
C28
3.6
4.8
6
Nonlinearity L ⁸⁾
Typ.
% FS
Max.
% FS
±1
±0.75
±1.75
±1.5
±0.5
±1
±0.5
±1
±0.5
±1
±0.25
±0.5
±0.25
±0.5
±0.25
±0.5
±0.25
±0.5
±0.25
±0.5
Overpressure pov ⁴⁾
Min.
bar
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