Silicon Piezoresistive
Absolute Pressure Sensor
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
KPY 42-A
KPY 46-A
TO-8-3
Type and
Symbol Pressure Range Unit Ordering Code
Marking
KPY 42 A
P
… P
0
0 … 0.6 bar Q62705-K204
N
KPY 43 A 0 … 1.6 Q62705-K162
KPY 44 A 0 … 4 Q62705-K164
KPY 45 A 0 … 10 Q62705-K166
KPY 46 A 0 … 25 Q62705-K168
Pin Configuration
1 Capillary tube
2+
3 − V
V
IN
OUT
4 Temperature sensor
(typ.
R
= 2 kΩ)
25
5 Temperature sensor
6 − V
7+V
IN
OUT
8 Not connected
Semiconductor Group 1 02.97
KPY 42-A
KPY 46-A
Absolute Maximum Ratings
Parameter Symbol Limit Values Unit
Pressure overload
KPY 42 A
KPY 43 A
KPY 44 A
KPY 45 A
KPY 46 A
Operating temperature range
Storage temperature range T
Supply voltage V
P
T
MAX
A
stg
IN
6
10
16
30
40
− 40 …+ 125 ˚C
− 50 …+ 150 ˚C
12 V
bar
Electrical Characteristics
T
= 25 ˚C and VIN = 5 V, unless otherwise specified.
at
A
Parameter Symbol Limit Values Unit
min. typ. max.
Bridge resistance
Sensitivity
KPY 42 A
KPY 43 A
KPY 44 A
KPY 45 A
R
s
B
4 − 8kΩ
mV/
11.0
5.6
4.0
1.8
15.0
8.8
6.0
2.6
24.0
12.5
9.0
4.0
Vbar
KPY 46 A
Output voltage
KPY 42 A
KPY 43 A
KPY 44 A
KPY 45 A
KPY 46 A
Offset voltage
P = P
0
Linearity error (Best fit straight line)
P
= P0… P
0
N
KPY 42…46 A
KPY 46 A
Pressure hysteresis
P
= P0, P2 = PN, P3 = P0KPY 42…46 A
1
Semiconductor Group 2
V
V
F
P
fin
0
L
H
33
45
80
90
110
45
70
120
130
150
72
100
180
200
250
− 25 −+ 25
−± 0.15
± 0.15
± 0.35
−
−± 0.1 −
mV
mV
% V
V
%
fin
fin