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BLCR Series Low Voltage Pressure Sensors
Features
• 0 to 1 inH2O to 0 to 30 inH2O Pressure Ranges
• Low Supply Voltage (1.8V to 3.3V)
• 0.1% Linearity Typical
• Improved Front to Back Linearity
• Intrinsically No Position Sensitivity
• Improved Warm-Up Shift Distribution
• Parylene Coating Available Upon Request
• Reduced TCO
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408 225 4314
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16035 Vineyard Blvd. Morgan Hill, CA 95037
Applications
• Medical Instrumentation
• Environmental Controls
• HVAC
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General Description
The BLCR Series Basic Sensor is based on a Dual Die Reference technology to reduce all output offset or common mode errors. It also
incorporates All Sensors CoBeam
2
Technology to reduce 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 to nearly unmeasurable levels.
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 1.8 to 3.3 volts DC.
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Standard Pressure Ranges
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Device
Operating Range
Proof Pressure
Burst Pressure
BLCR-L01D
BLCR-L05D
BLCR-L10D
BLCR-L20D
BLCR-L30D
±1 inH2O (249 Pa)
±5 inH2O (1,245 Pa)
±10 inH2O (2,491 Pa)
±20 inH2O (4,982 Pa)
±30 inH2O (7,472 Pa)
100 inH2O (25 KPa)
200 inH2O (50 KPa)
200 inH2O (50 KPa)
200 inH2O (50 KPa)
200 inH2O (50 KPa)
150 inH2O (37 KPa)
300 inH2O (75 KPa)
300 inH2O (75 KPa)
500 inH2O (125 KPa)
800 inH2O (200 KPa)
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Pressure Sensor Maximum Ratings
Supply
Voltage (Vs)
Common Mode Pressure
Lead Temperature (soldering 2-4 sec.)
5 Vdc
5 psig
270 °C
Environmental Specifications
Temperature Ranges
Operating
Storage
Humidity Limits
-25 to 85 °C
-40 to 125 °C
0 to 95% RH
(non condensing)
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Performance Characteristics for BLCR Series
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a
ll paraMeterS are MeaSured at
3.3
volt exCitation and rooM teMperature unleSS otherwiSe SpeCified
. p
reSSure MeaSureMentS are with poSitive
preSSure applied to
port b (
the only port for the Single port Configuration
).
Parameter
Output Span (FSS)
L01D
L05D
L10D
L20D
L30D
Offset Voltage @ Zero Diff. Pressure
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
Output Resistance
Min
4.5
13.5
18.0
22.0
25.0
-
-
-
-
-
-
-
-
-
-
-
Typ
8.0
24.0
32.0
38.0
42.0
-
±4.0
±10.0
±0.2
0.1
100.0
0.25
2800
-2000
1.7
1.7
Max
11.5
34.5
46.0
55.0
60.0
±10.0
-
-
-
±0.5
-
-
-
-
-
-
Units
mV
mV
mV
mV
mV
mV
μV/ °C
μV
μV
%FSS
μS
%FSS
ppm/°C
ppm/°C
kΩ
kΩ
Notes
4
Signed Original On File
-
1
2, 6
-
3
-
5
-
-
-
-
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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
.
FB
5: f
ront
-b
aCk
l
inerity CoMputed aS
:
Span
PortA
note
6: t
ypiCal warM up CharaCteriStiCS aS Shown below
.
note
Lin
Span
PortB
−
1
⋅
100
%
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BLCR Warmup Shift (Typical)
0.025
OS Normalized to first Reading (mV)
0.015
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0.005
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-0.005
-0.015
-0.025
Hrs
Original On File
Soldering Recommendations
1) Solder parts as a second operation only.
2) Post reflow, wait for 36 hrs before performing any calibration operations.
3) Perform spot cleaning as necessary only by hand. DO NOT wash or submerge device in cleaning liquid.
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BLCR Series Low Pressure Compact Sensors
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Package Drawings
D1 Package
.551 14
.512 13
3 2 1
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Pin
1
2
3
4
5
4 5 6
Definition
VsA
-Vout
VsR
-VoutR
GND
+VoutA
Vs
.572 14.5
.374 9.5
6
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+Vout
Vs
.066 1.7
.088 2.2
.381 9.7
.045 1.1
.145 3.7
.217 5.5
.062 1.6
.100 2.5
TYP
.100 2.6
.018 0.5
TYP
.528 13.4
.040 [1] TYP
Port B
-Vout
1
2
3
Signed Original On File
6
Port A
A
R
4
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.200 5.1
.157 4
R
5
GND
NOTES
1) Dimensions are in inches [mm].
2) Pins 1 & 3 must be connected for Vs input.
3) Pins 4 & 6 must be connected for +Vout output.
4) For suggested pad layout, see drawing: PAD-20.
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D-Series Package
FILE NAME
A
SIZE
D1 Package
D3 Package
Pin
1
2
3
4
5
12 3 4 5 6
Definition
VsA
-Vout
VsR
-VoutR
GND
+VoutA
Signed Original On File
.640 16.25
.320 8.125
.216 5.50
.581 14.75
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.512 13
.364 9.25
Port B
.025 0.64
SQUARE TYP
.500 12.7
2X
.118 3
.062 1.57
.581 14.75
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Port A
.220 5.59
-Vout
1
2
6
.226 5.74
.100 2.54
TYP
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3
R
.255 6.48
.446 11.32
.256 6.5
6
A
R
4
5
.059 1.5
GND
+Vout
Original On File
NOTES
1) Dimensions are in inches [mm].
2) Pins 1 & 3 must be connected for Vs input.
3) Pins 4 & 6 must be connected for +Vout output.
4) For suggested pad layout, see drawing: PAD-21.
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TITLE:
D-Series Package
FILE NAME
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SIZE
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D3 Package
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Package Drawings (Cont’d)
D4 Package
.104 2.6
.102 2.6
.209 5.3
9
8
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.050 1.3
TYP
16
-Vout
1
10
12
Vs
Pin
1
2
3
4
5
6
Definition
-OutA
N/C
N/C
N/C
GndA
-OutR
GndR
N/C
N/C
+OutR
N/C
+VsR
+OutA
N/C
N/C
+VsA
.350 8.9
13
A
R
6
16
PIN 1
5
7
GND
+Vout
Signed Original On File
.039 1
.296 7.5
.016 0.4
.098 2.5
TYP
.118 3
.087 2.2
7
8
9
10
11
12
13
14
15
16
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.008 0.2
.197 5
.142 3.6
R
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.032 0.8
NOTES
1) Dimensions are in inches [mm].
2) Pins 12 and 16 must be connected for Vs input.
3) Pins 5 and 7 must be connected for Gnd.
4) Pins 1 and 10 must be connected for -Vout.
5) Pins 6 and 13 must be connected for +Vout.
6) For suggested pad layout, see drawing: PAD-22.
.407 10.3
.093 2.4
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D-Series Package
FILE NAME
A
SIZE
D4 Package
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BLCR Series Low Pressure Compact Sensors
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Package Drawings (Cont’d)
U1 Package
.335 8.5
3
2
1
.118 3
4
5
6
R
Pin
1
2
3
4
5
6
Definition
VsA
-Vout
VsR
-VoutR
GND
+VoutA
.335 8.5
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.039 1
.236 6
6
1
Vs
-Vout
2
3
Port B
.008 0.2
TYP
2-5
.378 9.6
A
R
4
R
.122 3.1
5
GND
+Vout
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.020 0.5 TYP
.100 2.5 TYP
.200 5.1
NOTES
1) Dimensions are in inches [mm].
2) Pins 1 & 3 must be connected for Vs input.
3) Pins 4 & 6 must be connected for +Vout output.
4) For suggested pad layout, see drawing: PAD-23.
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TITLE:
U-Series Package
FILE NAME
A
SIZE
U1 Package
Signed Original On File
U2 Package
Pin
Definition
VsA
-Vout
VsR
-VoutR
GND
+VoutA
Vs
-Vout
1
2
3
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1 2 3
.276 7
.043 1.1
.406 10.3
.024 0.6
1
2
3
4
5
6
.024 0.6
6 5 4
Port B
.276 7
.118 3
.020 0.5
.236 6
.010 0.3
.010 0.3
.138 3.5
5
6
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.100 2.5
TYP
.031 0.8
TYP
R
R
.200 5.1
A
R
4
GND
+Vout
Original On File
NOTES
1) Dimensions are in inches [mm].
2) Pins 1 & 3 must be connected for Vs input.
3) Pins 4 & 6 must be connected for +Vout output.
4) For suggested pad layout, see drawing: PAD-24
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U-Series Package
FILE NAME
A
SIZE
U2 Package
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