INFINEON K179

Silicon Piezoresistive
Absolute Pressure Sensor
KPY 52-A
KPY 56-A
Features
•
•
•
•
Low pressure and temperature hysteresis
Fast response
High sensitivity and linearity
Fatigue free monocrystaline silicon diaphragm
giving high load cycle stability
• High long term stability
• Built in silicon temperature sensor
• Media compatible stainless steel housing
Stainless Steel Package
Type and
Marking
Symbol
Pressure Range
Unit
Ordering Code
KPY 52 A
P0 … PN
0 … 0.6
bar
Q62705-K211
KPY 53 A
0 … 1.6
Q62705-K177
KPY 54 A
0…4
Q62705-K179
KPY 55 A
0 … 10
Q62705-K181
KPY 56 A
0 … 25
Q62705-K183
Pin Configuration
1
Capillary tube
2
+ VIN
3
− VOUT
4
Temperature sensor
(typ. R25 = 2 kΩ)
5
Temperature sensor
6
− VIN
7
+ VOUT
8
Not connected
Semiconductor Group
1
02.97
KPY 52-A
KPY 56-A
Absolute Maximum Ratings
Parameter
Symbol
Pressure overload
PMAX
KPY 52 A
KPY 53 A
KPY 54 A
KPY 55 A
KPY 56 A
Limit Values Unit
bar
2
6
10
16
30
− 40 … + 125 ˚C
TA
Tstg
VIN
Operating temperature range
Storage temperature range
Supply voltage
− 50 … + 130 ˚C
12
V
Electrical Characteristics
at TA = 25 ˚C and VIN = 5 V, unless otherwise specified.
Parameter
Symbol
Bridge resistance
RB
Sensitivity
s
KPY 52 A
KPY 53 A
KPY 54 A
KPY 55 A
KPY 56 A
typ.
max.
4
−
8
15.0
8.8
6.0
2.6
1.2
24.0
12.5
9.0
4.0
2.0
Vfin
KPY 52 A
KPY 53 A
KPY 54 A
KPY 55 A
KPY 56 A
V0
Linearity error (best fit straight line)
P0 = P0 … PN
FL
PH
KPY 52 … 56 A
2
kΩ
mV/
Vbar
45
70
120
130
150
72
100
180
200
250
mV
− 25
−
+ 25
% Vfin
−
−
KPY 52… 55 A
KPY 56A
Unit
mV
33
45
80
90
110
Offset voltage
P = P0
Semiconductor Group
min.
11.0
5.6
4.0
1.8
0.88
Output voltage
Pressure hysteresis
P1 = P0, P2 = PN, P3 = P0
Limit Values
−
± 0.15 ± 0.35
± 0.15 −
± 0.1
−
% Vfin
KPY 52-A
KPY 56-A
Electrical Characteristics
at T1 = 25 ˚C, T2 = 80 ˚C, T3 = 25 ˚C and VIN = 5 V, unless otherwise specified.
Parameter
Symbol
Limit Values
min.
Temperature coefficient of Vfin
− 0.12
− 0.13
− 0.14
− 0.15
− 0.15
%/K
− 0.03
− 0.03
− 0.03
− 0.03
− 0.03
−
−
−
−
−
+ 0.08
+ 0.05
+ 0.05
+ 0.05
+ 0.05
TCRB
%/K
−
+ 0.095 −
TH
KPY 52 … 56 A
Semiconductor Group
−
−
−
−
−
TCV0
KPY 52 … 56 A
Temperature hysteresis of V0; Vfin
%/K
− 0.20
− 0.20
− 0.20
− 0.20
− 0.20
KPY 52 A
KPY 53 A
KPY 54 A
KPY 55 A
KPY 56 A
Temperature coefficient of RB
max.
TCVfin
KPY 52 A
KPY 53 A
KPY 54 A
KPY 55 A
KPY 56 A
Temperature coefficient of V0
typ.
% v. Vfin
−
3
Unit
± 0.2
−
KPY 52-A
KPY 56-A
Package Outline
Stainless Steel Package
Dimension in mm
Weight approx. 15.0 g
Exterior Packaging
I.e. tubes, trays, boxes are shown in our Data Book “Package Information”.
Semiconductor Group
4