1220
Standard
SPECIFICATIONS
PC Board Mountable Pressure Sensor
0-50 mV Output
Voltage Excitation
Gage, Absolute, and Differential
Temperature Compensated
The 1220 is a temperature compensated, piezoresistive
FEATURES
silicon pressure sensor packaged in a dual-in-line configuration
and intended for cost sensitive applications where excellent
Dual-in-Line Package
performance and long-term stability are required.
0C to 50C Compensated
When using the 1220 with a fixed voltage reference and
Temperature Range
current set resistor as shown in the application schematic, a span
0.1% Non-Linearity
of 50mV and 1% interchangeability can be achieved. Integral
1.0% Interchangeable Span
temperature compensation is provided over a range of 0-50C
(provided by current set resistor)
using laser-trimmed resistors. Gage, absolute, and differential
Solid State Reliability
pressure ranges from 0-2 psi to 0-100 psi are available. Multiple
lead and tube configurations are available for specific
applications.
APPLICATIONS
Please refer to the 1220 1psi datasheet for low pressure
applications. For current excitation, please refer to the Model
Medical Instruments
1210.
Airspeed and Altitude Measurements
Process Control
Factory Automation
Vacuum Measurement
Handheld Calibrators
SENSOR SOLUTIONS /// 1220 08/2017 Page 1 1220
Standard
STANDARD RANGES
Range psia psid psig
0 to 2
0 to 5
0 to 15
0 to 30
0 to 50
0 to 100
PERFORMANCE SPECIFICATIONS
Supply Voltage: See application schematic
Ambient Temperature: 25C (unless otherwise specified)
PARAMETERS MIN TYP MAX UNITS NOTES
Span 49.5 50 50.5 mV 1
Zero Pressure Output -2 2 mV
Pressure Non Linearity -0.1 0.05 0.1 %Span 2
Pressure Hysteresis -0.1 0.01 0.1 %Span
Input Resistance 2500 4400 6000
Output Resistance 4200
Temperature Error Span -0.5 0.3 0.5 %Span 3
Temperature Error Zero -0.5 0.1 0.5 %Span 3,8
o
Temperature Coefficient-Resistance .15 %/ C 3
Thermal Hysteresis Zero
0.05 %Span 3
Short Term Stability (Offset & Span) 0.05 % Span 4
Long Term Stability (Offset & Span) 0.10 % Span 5
Supply Voltage Reference 1.235 V
Response Time (10% to 90%) 1.0 ms 6
Output Noise (10Hz to 1kHz)
1.0 V p-p
Pressure Overload 3X Rated 7
Compensated Temperature 0 50 C
Operating Temperature -40 +125 C
Storage Temperature -50 +150 C
Weight
3 grams
Solder Temperature 250C Max 5 Sec.
Weight Non-Corrosive Dry Gases Compatible with Silicon, Pyrex,
RTV, Ceramic, Nickel, Gold, and Aluminum
Notes
1. Refer to application schematic.
2. Best fit straight line.
3. Maximum temperature error between 0C and 50C with respect to 25C. For 2psi devices, Temperature Error -- Zero is 1.25%.
4. Short term stability over 7 days with constant current and temperature.
5. Long term stability over a one year period with constant voltage and temperature.
6. For a zero-to-full scale pressure step change.
7. 2X maximum for 100 psi device.
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