INFINEON KPY42A

Silicon Piezoresistive
Absolute Pressure Sensor
KPY 42-A
KPY 46-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
• Pressure coupled to rearside of silicon diaphragm
• Built in silicon temperature sensor
TO-8-3
Type and
Marking
Symbol
Pressure Range
Unit
Ordering Code
KPY 42 A
P0 … PN
bar
KPY 43 A
0 … 0.6
0 … 1.6
Q62705-K204
Q62705-K162
KPY 44 A
KPY 45 A
KPY 46 A
0…4
0 … 10
0 … 25
Q62705-K164
Q62705-K166
Q62705-K168
Pin Configuration
1
2
3
4
5
Capillary tube
+ VIN
− VOUT
Temperature sensor
(typ. R25 = 2 kΩ)
Temperature sensor
6
7
8
− VIN
+ VOUT
Not connected
Semiconductor Group
1
02.97
KPY 42-A
KPY 46-A
Absolute Maximum Ratings
Parameter
Pressure overload
Symbol
Limit Values Unit
bar
6
10
16
30
40
PMAX
KPY 42 A
KPY 43 A
KPY 44 A
KPY 45 A
KPY 46 A
− 40 … + 125 ˚C
TA
Tstg
VIN
Operating temperature range
Storage temperature range
Supply voltage
− 50 … + 150 ˚C
12
V
Electrical Characteristics
at TA = 25 ˚C and VIN = 5 V, unless otherwise specified.
Parameter
Symbol
RB
s
Bridge resistance
Sensitivity
KPY 42 A
KPY 43 A
KPY 44 A
KPY 45 A
KPY 46 A
KPY 42 A
KPY 43 A
KPY 44 A
KPY 45 A
KPY 46 A
Offset voltage
P = P0
Linearity error (Best fit straight line)
typ.
−
max.
8
11.0
5.6
4.0
1.8
15.0
8.8
6.0
2.6
24.0
12.5
9.0
4.0
V0
45
70
120
130
150
mV
− 25
−
+ 25
% Vfin
−
2
kΩ
mV/
Vbar
72
100
180
200
250
FL
KPY 42 … 46 A
KPY 46 A
Unit
mV
33
45
80
90
110
Pressure hysteresis
PH
P1 = P0, P2 = PN, P3 = P0 KPY 42 … 46 A
Semiconductor Group
min.
4
Vfin
Output voltage
P0 = P0 … PN
Limit Values
−
± 0.15 ± 0.35
± 0.15 −
± 0.1
−
% Vfin
KPY 42-A
KPY 46-A
Electrical Characteristics
at T1 = 25 ˚C, T2 = 125 ˚C, T3 = 25 ˚C and VIN = 5 V, unless otherwise specified.
Parameter
Symbol
Temperature coefficient of Vfin
KPY 42 A
KPY 43 A
KPY 44 A
KPY 45 A
KPY 46 A
Temperature coefficient of V0
TCVfin
KPY 42 A
KPY 43 A
KPY 44 A
KPY 45 A
KPY 46 A
Temperature coefficient of RB
Unit
%/K
− 0.19
− 0.19
− 0.19
− 0.19
− 0.19
− 0.15
− 0.16
− 0.17
− 0.17
− 0.17
− 0.12
− 0.13
− 0.14
− 0.14
− 0.15
TCV0
%/K
− 0.05
− 0.03
− 0.03
− 0.03
− 0.03
−
−
−
−
−
+ 0.05
+ 0.03
+ 0.03
+ 0.03
+ 0.03
TCRB
%/K
KPY 42 … 46 A
Temperature coefficient of V0; Vfin
Limit Values
min.
typ.
max.
−
+ 0.095 −
% v. Vfin
TH
− 0.5
− 0.3
KPY 42 A
KPY 43 … 46 A
−
−
+ 0.5
+ 0.3
Package Outline
TO-8-3
Dimensions in mm
Weight approx. 3.2 g
Exterior Packaging
I.e. tubes, trays, boxes are shown in our Data Book “Package Information”.
Semiconductor Group
3