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BLC Series Low Pressure Compact Sensors
Features
•
0 to 1 inH2O to 0 to 30 inH2O and 15 PSIA Pressure Ranges
•
uPower Low Supply Voltage (0.9V to 1.8V)
•
0.1% Linearity Typical
•
Improved Front to Back Linearity
•
Less Position Sensitivity
•
Improved Warm-Up Shift Distribution
•
Parylene Coating Available Upon Request
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Applications
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408 225 2079
150 inH2O (37 KPa)
300 inH2O (75 KPa)
300 inH2O (75 KPa)
500 inH2O (125 KPa)
800 inH2O (200 KPa)
120 PSI (8 barA)
a
16035 Vineyard Blvd. Morgan Hill, CA 95037
p
408 225 4314
Burst Pressure
-25 to 85 °C
-40 to 125 °C
0 to 95% RH
(non condensing)
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•
•
•
•
Medical Instrumentation
Environmental Controls
HVAC
Portable / Hand Held Devices
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General Description
The BLC Series Basic Low Pressure Compact Sensor is based on All Sensors’ CoBeam
2 TM
Technology. The device provides a high output
signal at a low operating voltage and reduces the overall supply voltage while maintaining comparable output levels to traditional
equivalent basic sensing elements. This lower supply voltage gives rise to improved warm-up shift while the CoBeam
2
Technology itself
reduces package stress susceptibility resulting in improved overall long term stability. The technology also vastly improves position
sensitivity compared to conventional single die devices.
This series is intended for use with non-corrosive, non-ionic working fluids such as air, dry gases and the like. The output is also ratio-
metric to the supply voltage and is operable from 0.9 to 1.8 volts DC.
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Standard Pressure Ranges
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Device
BLC-L01D
BLC-L05D
BLC-L10D
BLC-L20D
BLC-L30D
BLC-015A
Operating Range
±1 inH2O (250 Pa)
±5 inH2O (1,250 Pa)
±10 inH2O (2,500 Pa)
±20 inH2O (5,000 Pa)
±30 inH2O (7,500 Pa)
0 to 15 PSIA (1 barA)
Proof Pressure
100 inH2O (25 KPa)
200 inH2O (50 KPa)
200 inH2O (50 KPa)
200 inH2O (50 KPa)
200 inH2O (50 KPa)
60 PSI (4 barA)
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Pressure Sensor Maximum Ratings
Supply Voltage (Vs)
3 Vdc
5 psig
270 °C
Environmental Specifications
Temperature Ranges
Operating
Storage
Humidity Limits
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Common Mode Pressure
Lead Temperature (soldering 2-4 sec.)
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DS-0353 Rev G
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Performance Characteristics for BLC Series
A
ll pArAmeters Are meAsured At
1.8V
excitAtion And room temperAture unless otherwise specified
. p
ressure meAsurements Are with positiVe pressure Applied
to
p
ort
B (
the only port for the single port configurAtion
.)
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Parameter
Output Span (FSS)
L01D
L05D
L10D
L20D
L30D
015A
Offset Voltage
Min
4.5
13.5
18.0
22.0
25.0
43.2
Typ
8.0
24.0
32.0
38.0
42.0
62.1
-
-
±30.0
±30.0
±20.0
0.10
100
0.25
2800
-2000
3.4
5.0
3.4
5.0
Max
11.5
34.5
46.0
55.0
60.0
81.0
-±10.0
±15.0
-
-
-
±0.50
-
-
-
-
-
-
-
-
Units
mV
mV
mV
mV
mV
mV
Notes
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-
mV
mV
μ V/°C
μV
μV
%FSS
μS
%FSS
ppm/°C
ppm/°C
k
Ω
k
Ω
-
-
-
k
Ω
k
Ω
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L01D, L05D, L10D, L20D, L30D (@ Zero Diff. Pressure)
015A (@ 0 PSIA)
-
Offset Temperature Shift (0°C-70°C)
-
Offset Warm-up Shift
-
Offset Position Sensitivity (1g)
-
Linearity, Hysteresis Error
-
Response Time (10% to 90% Pressure Response)
-
Front to Back Linearity
Temperature Effect on Resistance (0°C-70°C)
Temperature Effect on Span (0°C-70°C)
Input Resistance
-
-
-
-
-
1
2, 6
-
3
-
5
-
-
-
R
R
L01D, L05D, L10D, L20D, L30D
015A
Output Resistance
L01D, L05D, L10D, L20D, L30D
015A
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Specification Notes
note
1: s
hift is relAtiVe to
25°c.
note
2: s
hift is within the first hour of excitAtion Applied to the deVice
.
note
3: m
eAsured At one
-
hAlf full scAle rAted pressure using Best strAight line curVe fit
.
note
4: t
he spAn is the AlgeBrAic difference Between full scAle output VoltAge And the offset VoltAge
.
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Span
PortB
Lin
FB
−
1
⋅
100
%
note
5: f
ront
-B
Ack
l
inerity computed As
:
Span
PortA
note
6: t
ypicAl wArm up of chArActeristics As shown Below
.
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BLC Warmup Shift (Typical)
0.050
OS Normalized to first Reading (mV)
0.030
0.010
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-0.010
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-0.030
Signed Original O
-0.050
Hrs
BLC Series Low Pressure Compact Sensors
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How To Order
Refer to Table 1 for configuring a standard base part number which includes the pressure range and package.
Example P/N with options: BLC-L01D-D4
Table 1 - How to Configure a Part Number
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408 225 2079
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408 225 4314
BLC - L01D
Product Series
Code
Pressure
Range
- D4
Package:
Pressure Type
Dependent
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Where:
Pressure Range (D1, D3, D4 Packages — Differential Only): L01D, L05D, L10D, L20D, L30D
Pressure Range (U2, U3 Package — Gage Only): L01D, L05D, L10D, L20D, L30D
Pressure Range (U4 Package — Absolute Only): 015A
(Consult with factory for parylene coating)
Product Identification on backside of device
All products are labeled via laser marking as seen in Figure 1.
Figure 2 details how to interpret the part marking code. Low pressure ranges from 1 to 30 inH2O are specified with
code “L” and 15psi absolute high pressure products with code “H”.
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The pressure range will be indicated on the same line as the lot number before the starting character “R”.
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Example: BLC-L01D-D4
Figure 1: Product Labeling
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on
Pressure Range Indicator
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BLC-L-D4
B12399-09
1-R16A24-14
Company
Part Marking
Wafer Number
Lot Number
a
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Figure 2: Part Marking
BLC - L - U2
DS-0353 Rev G
All Sensors
Series
Op½on
BLC
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Pressure Identi er
Op on
L
Des cri p on
1 to 30 inH2O
R
Package
Op½on
Descrip½on
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Product Identification on backside of device (Cont’d)
Figure 2: Part Marking
BLC - L -
D4
Des cri p on
1 to 30 inH2O
15 psi absolute
Series
Op½on
Pressure Identi er
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BLC
Op on
L
H
Package
Op½on
Descrip½on
U2
U3
U4
D1
D3
D4
SMT, Gage pressure
DIP, Gage pressure
SOIC8, Absolute pressure
Jogged SMT Leads, Differen½al pressure
SML Leads, Differen½al pressure
SOIC, Differen½al pressure
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Soldering Recommendations
1) Solder parts as a second operation only.
2) For D4 package post reflow, wait for 72 hrs before performing any calibration operations.
3) For all other packages post reflow, wait for 36 hrs before performing any calibration operations.
4) Perform spot cleaning as necessary only by hand. DO NOT wash or submerge device in cleaning liquid.
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BLC Series Low Pressure Compact Sensors
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Package Drawings
U2 Package
1 2 3
.276 7
Port B
.276 7
.118 3
.020 0.5
.236 6
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Pin
1
Definition
+GND
+Vout
Vs
N/C
-Vout
-GND
.043 1.1
.406 10.3
.024 0.6
2
3
4
5
6
.024 0.6
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6 5 4
.100 2.5
TYP
.031 0.8
TYP
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.200 5.1
.010 0.3
.010 0.3
.138 3.5
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TITLE:
NOTES
1) Dimensions are in inches [mm].
2) For suggested pad layout, see drawing: PAD-24
3) Pins 1 and 6 must be connected for Gnd.
U-Series Package
FILE NAME
A
SIZE
U2 Package
U3 Package
Pin
Definition
N/C
-Vout
-GND
+GND
+Vout
Vs
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.283 7.2
1 2 3
MAX
.323 8.2
6 5 4
.039 1
1
2
3
4
5
6
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.283 7.2
.374 9.5
.157 4
.098 2.5
.197 5
.138 3.5
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Port B
.010 0.3
TYP
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4
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.020 0.5
.100 2.5
.200 5.1
TYP
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NOTES
1) Dimensions are in inches [mm].
2) For suggested pad layout, see drawing: PAD-25
3) Pins 3 and 4 must be connected for Gnd.
TITLE:
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U-Series Package
FILE NAME
Signed Original O
A
SIZE
U3 Package
All Sensors
DS-0353 Rev G
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