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Microstructure Pressure Sensors
0 psi to 1 psi through 0 psi to 100 psi
ASDX DO Series
2 Honeywell
Sensing and Control
GENERAL SPECIFICATIONS
Supply Voltage (Vs)
4.75 Vdc to 5.25 Vdc
Maximum Supply Voltage*
6.50 Vdc max.
Current Consumption
6 mA typ.
Output current - sink
2 mA max.
Output current - source
2 mA max.
Lead Soldering Temperature
2 Sec to 4 Sec @ 250
°C [482 °F]
ENVIRONMENTAL SPECIFICATIONS (ALL DEVICES)
Temperature Ranges:
Compensated
0
°C to 85 °C [32 °F to 185 °F]
Operating
-20
°C to 105 °C [-4 °F to 221 °F]
Storage
-40
°C to 125 °C [-40 °F to 257 °F]
Vibration
10 g at 20 Hz to 2000 Hz
Shock
100 g for 11 ms
Life
1 Million cycles minimum
PERFORMANCE CHARACTERISTICS 4R DO
(1,5)
Characteristic
Symbol
Min.
Typ.
Max.
Units
Zero pressure offset
Hoff
158
19A
1DB
counts hex
Full scale span
(2)
Hfss
CCC
counts hex
Output at Full Scale Pressure
Hfso
E25
E66
EA8
counts hex
Accuracy
(3)
–
± 2.5
% H full scale
Response time
(4)
–
8
11
ms
PERFORMANCE CHARACTERISTICS 4D DO
(1,5)
Characteristic
Symbol
Min.
Typ.
(5)
Max.
Units
Zero pressure offset
Hoff
7BE
19A
1DB
counts hex
Full scale span
(2)
Hfss
CCC
counts hex
Output at Full Scale Pressure (P2)
(6)
Hfso
E25
E66
EA8
counts hex
Output at Full Scale Pressure (P1)
(6)
Hfso
158
19A
1DB
counts hex
Accuracy
(3)
–
± 2.0
% H full scale
Output Resolution
–
12
–
Bit
Response time
(4)
–
8
11
ms
Specification Notes:
Note 1:
Reference Conditions (unless otherwise noted): Supply voltage, VS=5.0
± 0.01 Vdc; Ta=25 °C [77 °F]. Output is ratiometric
within the supply voltage range (Vs).
Note 2:
Span is the algebraic difference between the output voltage at the specified pressure and the output at zero pressure. Span is
ratiometric to the supply voltage.
Note 3:
Accuracy is the combined errors from offset and span calibration, linearity, pressure hysteresis, and temperature effects.
Linearity is the measured deviation based on a straight line.
Hysteresis is the maximum output difference at any point within the operating pressure range for increasing and decreasing
pressure.
Calibration errors include the deviation of offset and full scale from nominal values.
Note 4:
Response time for 0 psi to full scale pressure step change, 10 % to 90 % rise time.
Note 5:
Read operation: Start, Slave Address, R/W =1, Data Byte 1 (MSB), Ackn Bit, Data Byte 2 (LSB).
The output is corrected pressure as unsigned 12 bits. Slave Address is F0h. Acknowledge Bit - pull data line LOW, master
generates an extra clock pulse for this purpose.
Note 6:
Output of the device when maximum positive pressure is applied on the backside (P2) or the front side (P1) of the sensing
element.
Note 7:
If maximum burst pressure is exceeded, even momentarily, the package may leak or burst, or the pressure sensing die may
fracture.