ASDX Series Silicon Pressure Sensors
Table 1. Absolute Maximum Ratings1
Parameter
Supply voltage (Vsupply)
Voltage to any pin
Min
-0.3
-0.3
Max
6.0
Vsupply + 0.3
Unit
Vdc
Vdc
Digital clock frequency:
I2C
100
50
400
800
kHz
SPI
ESD susceptibility (human body model)
Storage temperature
Lead temperature (2 s to 4 s)
External capacitance between Vsupply and ground2
3
-50 [-58]
•
•
kV
125 [257]
250 [482]
470
°C [°F]
°C [°F]
nF
100
Table 2. Operating Specifications
Parameter
Min.
Typ.
Max.
Unit
Supply voltage: (Vsupply)3
3.3 Vdc
3.0
4.75
3.34
5.04
3.6
5.25
Vdc
5.0 Vdc
Sensors are either 3.3 Vdc or 5.0 Vdc per the Order Guide (see Figure 1).
Supply current
2.0
0 [32]
-20 [-4]
3.5
•
•
5.0
85 [185]
105 [221]
mA
°C [°F]
°C [°F]
Compensated temperature range5
Operating temperature range6
Overpressure7
2X operating pressure range minimum
3X operating pressure range minimum
Burst pressure8
Startup time (power up to data ready)
Response time
•
•
•
0.8
1
•
2.8
0.46
7.3
•
0.2
•
•
2.0
•
ms
ms
I2C or SPI voltage level low
I2C or SPI voltage level high
Pull-up on SDA and SCL (I2C output only)
Total error band9
•
•
•
•
•
Vsupply
Vsupply
kOhm
%FSS10
bits
Output resolution
12
Table 3. Environmental Specifications
Parameter
Humidity
Vibration
Shock
Characteristic
0% to 95% RH non-condensing
10 G at 20 Hz to 2000 Hz
100 G for 11 ms
Life
1 million cycles minimum
Table 4. Wetted Materials11
Parameter
Covers
Port 1 (Pressure Port)12
glass-filled PBT
silicone
Port 2 (Reference Port)12
glass-filled PBT
Adhesives
silicone and epoxy
Electronic components
Notes:
silicon and glass
silicon, glass, and gold
1. Absolute maximum ratings are the extreme limits that the device will withstand without damage to the device.
2. An external bypass capacitor is required across the supply voltage (Pins 6 and 3 – see Figure 4) as close to the sensor supply pin as possible
for correct sensor operation.
3. Ratiometricity of the sensor (the ability of the output to scale to the input voltage) is achieved within the specified operating voltage for each
option. Other custom supply voltages are available, please contact Honeywell Customer Service.
4. The sensor is not reverse polarity protected. Incorrect application of excitation voltage or ground to the wrong pin may cause electrical failure.
5. The compensated temperature range is the temperature range (or ranges) over which the sensor will produce an output proportional to
pressure within the specified performance limits.
6. The operating temperature range is the temperature range over which the sensor will produce an output proportional to pressure but may not
remain within the specified performance limits.
7. Overpressure is the maximum pressure which may safely be applied to the product for it to remain in specification once pressure is returned to
the operating pressure range. Exposure to higher pressures may cause permanent damage to the product.
8. Burst pressure is the maximum pressure that may be applied to any port of the product without causing escape of pressure media. Product
should not be expected to function after exposure to any pressure beyond the burst pressure.
9. Total error band is the maximum deviation in output from ideal transfer function over the entire compensated temperature and pressure range.
Includes all errors due to offset, full scale span, pressure non-linearity, pressure hysteresis, repeatability, thermal effect on offset, thermal effect
on span and thermal hysteresis. Specification units are in percent of full scale span (%FSS).
10. Full scale span (FSS) is the algebraic difference between the output signal measured at the maximum (Pmax.) and minimum (Pmin.) limits of
the pressure range.
11. Consult Honeywell Customer Service for detailed material information.
12. For AC pressure port configuration, the “pressure” and “reference” ports are reversed.
2
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