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BLV Series Low Voltage Pressure Sensors
Features
• 0 to 1 “H2O to 0 to 30 “H2O Pressure Ranges
• uPower Low Supply Voltage (0.9V to 1.8V)
• 90% Less Power Than Mini-Basic Series
• 0.3% Linearity
• Improved Front to Back Linearity
• Excellent Position Sensitivity
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Applications
all sensors
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408 225 2079
• Improved Warm-Up Shift Distribution
• Parylene Coating Available Upon Request
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• Medical Instrumentation
• Environmental Controls
• HVAC
• Portable / Hand Held Devices
General Description
The BLV Series Basic 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 sensitiv-
ity 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
ratiometric to the suply voltage and is operable from 0.9 to 1.8 volts DC.
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Standard Pressure Ranges
Equivalent Circuit
Burst Pressure
300 inH2O
300 inH2O
300 inH2O
500 inH2O
800 inH2O
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BLV-L01D
BLV-L05D
BLV-L10D
BLV-L20D
BLV-L30D
±1 inH2O
±5 inH2O
±10 inH2O
±20 inH2O
±30 inH2O
100 inH2O
200 inH2O
200 inH2O
200 inH2O
200 inH2O
-Out
+Out
p
408 225 4314
Device
Operating Range
Proof Pressure
Vs
R
Gnd
Pressure Sensor Maximum Ratings
Supply Voltage (Vs)
Common Mode Pressure
Lead Temperature (soldering 2-4 sec.)
6 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)
a
16035 Vineyard Blvd. Morgan Hill, CA 95037
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Approvals
MKT
DATE
MFG
DATE
ENG
DATE
QA
DATE
As Is
With Change
As Is
With Change
As Is
With Change
As Is
With Change
All Sensors
DS-0275 Rev A
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Performance Characteristics for BLV Series
A
LL PARAMETERS ARE MEASURED AT
1.8
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
).
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Parameter
Output Span
L01D @ 1 inH2O
L05D @ 5 inH2O
L10D @ 10 inH2O
L20D @ 20 inH2O
L30D @ 30 inH2O
Min
4.5
13.5
18.0
22.0
25.0
Typ
8.0
24.0
32.0
38.0
42.0
Max
11.5
34.5
46.0
55.0
60.0
Units
mV
mV
mV
mV
mV
Notes
4
4
4
4
4
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Offset Voltage @ Zero Diff. Pressure
Offset Temperature Shift (0°C-70°C)
Offset Warm-up Shift
Offset Position Sensitivity (1g)
Offset Long Term Drift (One Year)
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-25.0
±20.0
±20.0
±120
0.10
100
0.25
2800
-1900
3.0
3.0
±10
-
±100
-
-
±0.30
-
-
-
-
-
-
mV
uV/°C
uV
uV
uV
%FSS
uS
%FSS
ppm/°C
ppm/°C
k ohm
k ohm
-
1
2
-
-
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
.
NOTE
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5: F
RONT
-B
ACK
L
INERITY COMPUTED AS
:
Lin
FB
⎛
Span
Front
⎞
−
1
⎟
⋅
100
%
⎜
⎝
Span
Back
⎠
How To Order
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BLV-
Series
Pressure Range
Option
L01D
L05D
L10D
Description
1 inH2O
5 inH2O
10 inH2O
20 inH2O
30 inH2O
-
Package
Option
B1NS
B2NS
BGNS
Description
-
Coating
Option
N
P
Description
No Coating
Parylene Coating
Two Ports Same Direction
Two Ports Opposite Direction
One Port
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L20D
L30D
(Consult with factory for parylene coating)
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Example:
BLV-L10D-B1NS-N
BLV Series Low Voltage Pressure Sensors
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Suggested Pad Layout
0.035~0.039 inch
(Finished Size)
2.54
0.100
(typ.)
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PAD-01
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Package Characteristics
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Package ID
B1NS
B2NS
BGNS
Approximate Port Volume
Port A Port B Units
181
181
1.5
176
176
176
mm
3
mm
3
mm
3
Weight
1.2
1.2
0.9
Units
Grams
Grams
Grams
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Product Labeling
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All Sensors
BLV-L01D
B1NS-N
R9J21-3
Device Label
Company
Part Number
Lot Number
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All Sensors reserves the right to make changes to any products herein. All Sensors does not assume any liability arising out of the application or use of any product or circuit
described herein, neither does it convey any license under its patent rights nor the rights of others.
BLV Series Low Voltage Pressure Sensors
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