27
PRECISION
SEMICONDUCTOR
PRESSURE SENSOR
PF PRESSURE
SENSOR
PF (ADP1)
• A wide range of rated pressure,
including a minute pressure
There are 10 types of sensors covering a
wide range of rated pressure from a
minute pressure between 4.9 kPa {0.05
kgf/cm
2
}, to a maximum pressure of
980.7 kPa {10 kgf/cm
2
}.
• Realization of highly accurate, linear
characteristics
This sensor employs a semiconductor
strain gauge method, ensuring accurate
and linear detection characteristics. It
also has excellent repeatability of pres-
sure characteristics.
• Impressive line-up of models
• Taking their place alongside the stan-
dard 5kW bridge resistance models are
those with a 3.3kW resistance which is
optimally suited to 5V drive circuits.
• Economy model (no glass base) gives
outstanding value for consumer appli-
ances
40 kPa (0.4 kgf/cm
2
) and 49 kPa (0.5
kgf/cm
2
) units are also available.
Example of pressure characteristics
(when the rated pressure is between 98.1 kPa
{1.0 kgf/cm
2
}
Drive current: 1.5 mA rated current; ambient temperature: 25°C 77°F
0 {0}
0
50
100
49 {0.5} 98.1 {1}
Output voltage, mV
Pressure (gauge pressure), (kPa {kgf/cm
2
})
TYPICAL
APPLICATIONS
• Medical equipment: Electronic hemody-
namometer
• Home appliance: Vacuum cleaner
• Gas equipment: Microprocessor gas
meter, gas leakage detector
• Industrial equipment: Absorption
device, etc.

Silicon
Piezo resistance
strain gauge
Anode
junction
Glass
base
Pressure
Pressure
High reliability
die bonding
technology
Very strong,
heat resistant body
Highly reliable wire
bonding technology
1
Bridge resistance 5.0kW 3.3kW
DIP terminal:
Direction opposite
the pressure inlet
direction
Terminal
Pressure
DIP terminal:
Pressure inlet
direction
DIP terminal:
Direction opposite
the pressure inlet
direction
DIP terminal:
Pressure inlet
direction
approx. 0.05kgf/cm
2
approx. 0.15kgf/cm
2
approx. 0.35kgf/cm
2
approx. 0.5kgf/cm
2
approx. 1.0kgf/cm
2
approx. 2.0kgf/cm
2
approx. 3.5kgf/cm
2
approx. 5.0kgf/cm
2
approx. 8.5kgf/cm
2
approx. 10.0kgf/cm
2
approx. 0.4kgf/cm
2
approx. 0.5kgf/cm
2
Standard
type
(With glass
base)
Economy type
(Without glass
base)
ADP1101
ADP1111
ADP1121
ADP1131
ADP1141
ADP1151
ADP1161
ADP1171
ADP1181
ADP1191
——
ADP1132
ADP1201
ADP1211
ADP1221
ADP1231
ADP1241
ADP1251
ADP1261
ADP1271
ADP1281
ADP1291
——
ADP1232
——
——
——
——
——
——
——
——
——
——
ADP11A23
——
——
——
——
——
——
——
——
——
——
——
ADP12A23
——
4.9kPa
14.7kPa
34.3kPa
49.0kPa
98.1kPa
196.1kPa
343.2kPa
490.3kPa
833.6kPa
980.7kPa
40.0kPa
49.0kPa
ADP1:
PF pressure sensor
Terminal profile and direction
1: DIP terminal: Dirtection opposite the
pressure inlet direction
2: DIP terminal: Pressure inlet direction
Rated pressure
0: 4.9 kPa {approx. 0.05 kgf/cm
2
}
1: 14.7 kPa {approx. 0.15 kgf/cm
2
}
2: 34.3 kPa {approx. 0.35 kgf/cm
2
}
3: 49.0 kPa {approx. 0.5 kgf/cm
2
}
4: 98.1 kPa {approx. 1.0 kgf/cm
2
}
5: 196.1 kPa {approx. 2.0 kgf/cm
2
}
6: 343.2 kPa {approx. 3.5 kgf/cm
2
}
7: 490.3 kPa {approx. 5.0 kgf/cm
2
}
8: 833.6 kPa {approx. 8.5 kgf/cm
2
}
9: 980.7 kPa {approx. 10.0 kgf/cm
2
}
A: 40.0 kPa {approx. 0.4 kgf/cm
2
}
Type
1 : Standard type
(With glass base)
2: Economy type
(Without glass
base)
ORDERING INFORMATION
Ex. ADP
Bridge resistance
Nil : 5.0kW
3 : 3.3kW
Part No.
PF PRESSURE SENSOR 2002.10.23 7:58 PM Page 27