DESCRIPTION
The TruStability Standard Accuracy Silicon Ceramic (SSC)
Series is a piezoresistive silicon pressure sensor offering a
digital output for reading pressure over the specified full scale
pressure span and temperature range.
The SSC Series is fully calibrated and temperature
compensated for sensor offset, sensitivity, temperature effects,
and non-linearity using an on-board Application Specific
Integrated Circuit (ASIC). Calibrated output values for pressure
are updated at approximately 2 kHz.
The SSC Series is calibrated over the temperature range of
-20 C to 85 C [-4 F to 185 F]. The sensor is characterized
for operation from a single power supply of either 3.3 Vdc or
5.0 Vdc.
FEATURES
Industry-leading long-term stability
Extremely tight accuracy of 0.25% FSS BFSL (Full Scale
Span Best Fit Straight Line)
Total error band of 2% full scale span maximum
Modular and flexible design offers customers a variety of
package styles and options, all with the same industry-
leading performance specifications
Miniature 10 mm x 10 mm [0.39 in x 0.39 in] package
Low operating voltage
Extremely low power consumption
2
I C- or SPI- compatible 14-bit digital output (min. 12-bit
sensor resolution)
These sensors measure absolute, differential, and gage
pressures. The absolute versions have an internal vacuum
reference and an output value proportional to absolute
pressure. Differential versions allow application of pressure to
either side of the sensing diaphragm. Gage versions are
referenced to atmospheric pressure and provide an output
proportional to pressure variations from atmosphere.
The TruStability pressure sensors are intended for use with
non-corrosive, non-ionic gases, such as air and other dry
gases. An available option extends the performance of these
sensors to non-corrosive, non-ionic liquids.
All products are designed and manufactured according to ISO
9001 standards.
®
Precision ASIC conditioning and temperature compensated
over -20 C to 85 C [-4 F to 185 F] temperature range
RoHS compliant
Virtually insensitive to mounting orientation
Internal diagnostic functions increase system reliability
Also available with analog output
Absolute, differential, and gage types
Pressure ranges from 1 psi to 150 psi (60 mbar to 10 bar)
Custom calibration available
Various pressure port options
Liquid media option
POTENTIAL APPLICATIONS
Medical:
-
Airflow monitors
-
Anesthesia machines
-
Blood analysis machines
-
Gas chromatography
-
Gas flow instrumentation
-
Kidney dialysis machines
-
Oxygen concentrators
-
Pneumatic controls
-
Respiratory machines
-
Sleep apnea equipment
-
Ventilators
Table 1. Absolute Maximum Ratings
Parameter
Supply voltage (V
supply
)
Voltage on any pin
Digital interface clock frequency:
2
IC
SPI
ESD susceptibility (human body model)
Storage temperature
Soldering time and temperature:
Lead solder (SIP, DIP)
Peak reflow (SMT)
Table 2. Operating Specifications
Parameter
2
Supply voltage (V
supply
) :
3.3 Vdc
5.0 Vdc
Sensors are either 3.3 Vdc or 5.0 Vdc based on listing selected.
1
Industrial:
-
Barometry
-
Flow calibrators
-
Gas chromatography
-
Gas flow instrumentation
-
HVAC
-
Life sciences
-
Pneumatic controls
Min.
-0.3
-0.3
100
50
3
-40 [-40]
Max.
6.0
V
supply
+ 0.3
400
800
85 [185]
4 s max. at 250 °C [482 °F]
15 s max. at 250 °C [482 °F]
Unit
Vdc
V
kHz
kV
C [ F]
Min.
3.0
4.75
Typ.
3.3
3
5.0
3
Max.
3.6
5.25
Unit
Vdc
Supply current:
3.3 Vdc supply
5.0 Vdc supply
4
Compensated temperature range
5
Operating temperature range
Startup time (power up to data ready)
Response time
2
I C voltage level low
2
I C voltage level high
Pull up on SDA and SCL
6
Accuracy
7
Total error band
Output resolution
-
-20 [-4]
-40 [-40]
1.6
2
-
0.8
1
2.8
0.46
-
-
-
2.1
3
85 [185]
85 [185]
7.3
0.2
-
-
0.25
2
mA
C [ F]
C [ F]
ms
ms
V
supply
V
supply
kOhm
%FSS BFSL
8
%FSS
bits
12
2
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Table 3. Environmental Specifications
Parameter
Humidity:
Dry gases only (See “Options N and D” in Figure 1.)
Liquid media (See “Options T and V” in Figure 1.)
Vibration
Shock
9
Life
Solder reflow
Table 4. Wetted Materials
Parameter
Covers
Substrate
Adhesives
Electronic components
10
Characteristic
0% to 95% RH, non-condensing
100% condensing or direct liquid media on Port 1
MIL-STD-202F, Curve AK (20.7 g random)
MIL-STD-202F, Method 213B, Condition F
1 million cycles minimum
J-STD-020-C
Port 1 (Pressure Port)
high temperature polyamide
alumina ceramic
epoxy, silicone
ceramic, glass, solder, silicon
Port 2 (Reference Port)
high temperature polyamide
alumina ceramic
epoxy, silicone
silicon, glass, gold, solder
Notes:
1. Absolute maximum ratings are the extreme limits the device will withstand without damage.
2. Ratiometricity of the sensor (the ability of the digital device to maintain performance parameters independent of supply voltage) is achieved
within the specified operating voltage for each option.
3. The sensor is not reverse polarity protected. Incorrect application of supply voltage or ground to the wrong pin may cause electrical failure.
4. The compensated temperature range is the temperature range over which the sensor will produce an output proportional to pressure within
the specified performance limits.
5. 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.
6. Accuracy: The maximum deviation in output from a Best Fit Straight Line (BFSL) fitted to the output measured over the pressure range at
25 °C [77 °F]. Includes all errors due to pressure non-linearity, pressure hysteresis, and non-repeatability.
7. Total Error Band: The maximum deviation from the 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.
8. 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. (See Figure 1 for ranges.)
9. Life may vary depending on specific application in which sensor is utilized.
10. Contact Honeywell Customer Service for detailed material information.
CAUTION
PRODUCT DAMAGE
Ensure liquid media is applied to Port 1 only; Port 2 is not compatible with liquids.
®
Ensure liquid media contains no particulates. All TruStability sensors are dead-ended devices. Particulates can accumulate
inside the sensor, causing damage or affecting sensor output.
Recommend that the sensor be positioned with Port 1 facing downwards; any particulates in the system are less likely to
enter and settle within the pressure sensor if it is in this position.
Ensure liquid media does not create a residue when dried; build-up inside the sensor may affect sensor output. Rinsing of a
dead-ended sensor is difficult and has limited effectiveness for removing residue.
Ensure liquid media are compatible with wetted materials. Non-compatible liquid media will degrade sensor performance and
may lead to sensor failure.
Failure to comply with these instructions may result in product damage.
Honeywell Sensing and Control
3
Figure 1. Nomenclature and Order Guide
SSC
_ _ _ _ _ _ _ _ _ _
A
_
Series
Package
D
= DIP (Dual Inline Pin)
M
= SMT (Surface Mount Technology)
S
= SIP (Single Inline Pin)
Pressure Port (* indicates not available)
DIP
NN
= No ports
SMT
NN
= No ports
SIP
NN
= No ports
AA
= Dual axial
barbed ports,
opposite sides
AN
= Single
axial barbed
port
LN
= Single
axial barbless
port
FF
= Fastener
mount, dual axial
barbed ports,
opposite sides
FN
= Fastener
mount, single axial
barbed port
GN
= Ribbed
fastener mount,
single axial
barbed port
NB
= Fastener
mount, dual axial
ports, same side
RN
= Single
radial barbed
port
RR
= Dual radial
barbed ports,
same side
DR
= Dual radial
barbed ports,
opposite sides
HH
= Fastener
mount, dual
radial barbed
ports, same side
HN
= Fastener
mount, single
radial barbed
port
MN
= Manifold
mount, outer
diameter seal
SN
= Manifold
mount, inner
diameter seal
Supply Voltage
3
= 3.3 Vdc
5
= 5.0 Vdc
Transfer Function
11
A
= 10% to 90% of Vsupply
Output Type
12
S
= SPI (not available in SIP package)
2
= I
2
C, Address 0x28
3
= I
2
C, Address 0x38
4
= I
2
C, Address 0x48
5
= I
2
C, Address 0x58
6
= I
2
C, Address 0x68
7
= I
2
C, Address 0x78
Pressure Range
13, 14
1 psi to 150 psi
Absolute
015PA
= 0 psi to 15 psi
030PA
= 0 psi to 30 psi
060PA
= 0 psi to 60 psi
100PA
= 0 psi to 100 psi
150PA
= 0 psi to 150 psi
Differential
001PD
= ±1 psi
005PD
= ±5 psi
015PD
= ±15 psi
030PD
= ±30 psi
060PD
= ±60 psi
Gage
001PG
= 0 psi to 1 psi
005PG
= 0 psi to 5 psi
015PG
= 0 psi to 15 psi
030PG
= 0 psi to 30 psi
060PG
= 0 psi to 60 psi
100PG
= 0 psi to 100 psi
150PG
= 0 psi to 150 psi
60 mbar to 10 bar
Absolute
001BA
= 0 bar to 1 bar
1.6BA
= 0 bar to 1.6 bar
2.5BA
= 0 bar to 2.5 bar
004BA
= 0 bar to 4 bar
006BA
= 0 bar to 6 bar
010BA
= 0 bar to 10 bar
Differential
060MD
= ±60 mbar
100MD
= ±100 mbar
160MD
= ±160 mbar
250MD
= ±250 mbar
400MD
= ±400 mbar
600MD
= ±600 mbar
001BD
= ±1 bar
1.6BD
= ±1.6 bar
2.5BD
= ±2.5 bar
004BD
= ±4 bar
Gage
060MG
= 0 mbar to 60 mbar
100MG
= 0 mbar to 100 mbar
160MG
= 0 mbar to 160 mbar
250MG
= 0 mbar to 250 mbar
400MG
= 0 bar to 400 mbar
600MG
= 0 bar to 600 mbar
001BG
= 0 bar to 1 bar
1.6BG
= 0 bar to 1.6 bar
2.5BG
= 0 bar to 2.5 bar
004BG
= 0 bar to 4 bar
006BG
= 0 bar to 6 bar
010BG
= 0 bar to 10 bar
*
AN
= Single
axial barbed
port
LN
= Single
axial barbless
port
*
AN
= Single
axial barbed
port
LN
= Single
axial barbless
port
*
*
*
*
RN
= Single
radial barbed
port
RR
= Dual radial
barbed ports,
same side
DR
= Dual radial
barbed ports,
opposite sides
*
*
*
*
RN
= Single
radial barbed
port
RR
= Dual radial
barbed ports,
same side
DR
=Dual radial
barbed ports,
opposite sides
Options
15
N
= Dry gases only, no special options
D
= Dry gases only, diagnostics on
T
= Liquid media on port 1, no diagnostics
V
= Liquid media on port 1, diagnostics on
*
*
*
*
*
*
*
*
Notes:
11. The transfer function limits define the output of the sensor at a given pressure input. By specifying Pmin. and Pmax., the output at Pmin. and
Pmax., the complete transfer function of the sensor is defined. See Figure 2 for a graphical representation of the transfer function. Other
transfer functions are available. Contact Honeywell Customer Service for more information.
12. Analog output is also available. Contact Honeywell Customer Service for more information.
13. Custom pressure ranges are available. Contact Honeywell Customer Service for more information.
14. See Table 5 for an explanation of sensor pressure types.
15. See
CAUTION
on previous page.
4
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Figure 2. Transfer Function Limits
Figure 3. Completed Catalog Listing Example
SSCSANN100PGSA3
SIP package, AN pressure
port, no diagnostics, 100
psi gage, SPI output, 10%
to 90% calibration at
3.3 Vdc.
Table 5. Pressure Types
Pressure Type
Absolute
Differential
Gage
Description
Output is proportional to the difference between applied pressure and a built-in reference to vacuum.
P
min.
is set at absolute zero pressure (full vacuum).
Output is proportional to the difference between the pressures applied to each port. (Port 1 Port 2)
50% point of transfer function set at Port 1 = Port 2.
Output is proportional to the difference between applied pressure and atmospheric (ambient)
pressure. P
min.
is set at atmospheric pressure.
Digital Counts (hex)
0x0000
0x0666
0x2000
0x399A
0x3FFF
Table 6. Sensor Output at Significant Percentages
% Output
Digital Counts (decimal)
0
0
10
1638
50
8192
90
14746
100
16383
Table 7. Pressure Range Specifications for 1 psi to 150 psi
Pressure Range
Order Code
P
min.
015PA
030PA
060PA
100PA
150PA
001PD
005PD
015PD
030PD
060PD
001PG
005PG
015PG
030PG
060PG
100PG
150PG
0 psi
0 psi
0 psi
0 psi
0 psi
-1 psi
-5 psi
-15 psi
-30 psi
-60 psi
0 psi
0 psi
0 psi
0 psi
0 psi
0 psi
0 psi
P
max.
15 psi
30 psi
60 psi
100 psi
150 psi
1 psi
5 psi
15 psi
30 psi
60 psi
1 psi
5 psi
15 psi
30 psi
60 psi
100 psi
150 psi
Over-
16
pressure
Absolute
30 psi
60 psi
120 psi
250 psi
250 psi
Differential
10 psi
30 psi
30 psi
60 psi
120 psi
Gage
10 psi
30 psi
30 psi
60 psi
120 psi
250 psi
250 psi
Burst
17
Pressure
Common Mode
18
Pressure
Long-term
Stability
(1000 hr,
25 °C [77 °F])
0.25% FSS
0.25% FSS
0.25% FSS
0.25% FSS
0.25% FSS
0.35% FSS
0.35% FSS
0.25% FSS
0.25% FSS
0.25% FSS
0.35% FSS
0.35% FSS
0.25% FSS
0.25% FSS
0.25% FSS
0.25% FSS
0.25% FSS
5
60 psi
120 psi
240 psi
250 psi
250 psi
10 psi
40 psi
60 psi
120 psi
240 psi
10 psi
40 psi
60 psi
120 psi
240 psi
250 psi
250 psi
NA
NA
NA
NA
NA
150 psi
150 psi
150 psi
150 psi
250 psi
150 psi
150 psi
150 psi
150 psi
250 psi
250 psi
250 psi
Honeywell Sensing and Control
FPGA/CPLD
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