Pressure sensors
Barometric pressure transmitters for SMT
Series/Type:
Ordering code:
Date:
Version:
ASB series
2011-05-02
2.2
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Identification/Classification 2
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Ordering code: (top right header bar)
Series/Type: (top right header bar)
Preliminary data (optional):
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Version:
released / signed: PD
released / signed: PM
ASB series
Preliminary data
AS SEN PD
2011-05-02
2.2
released / signed: QM
released / signed: PPE
Pressure sensors
Barometric pressure transmitters for SMT
EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited
Pressure sensors
Barometric pressure transmitters for SMT
Preliminary data
Description
Pressure sensor transmitters based on
piezoresistive silicon pressure dies
On board compensation circuit for non-linearity
and temperature error
Miniaturized SMD hybrid package
(4.3mm x 4.3mm x 2.4mm)
Features
Analog ratiometric interface with adjustable
output limits (clipping) or digital 14 bit I²C
interface
Diagnosis functions like loss of Vdd/Vss,
bridge connections and short cuts
High immunity against electromagnetic
influences
Plastic free surface mount technology for
reflow soldering
Conforming to RoHS Directive
Options
Other output characteristics and / or rated
pressure ranges upon request
ASB series
Table of Contents
1. Technical Data .........................................................................................................3
2. Analog Output (VR/V1) ............................................................................................4
3. Digital Output – I²C (D5) ..........................................................................................5
4. Total Error (Temperature Error Multiplier) ................................................................9
5. Board Layout (Recommendation) .............................................................................9
6. Reliability Testing ...................................................................................................10
7. Product Key............................................................................................................11
8. Ordering Codes ......................................................................................................11
9. Packaging...............................................................................................................12
10. Reflow Soldering ....................................................................................................13
Symbols and terms........................................................................................................14
Cautions and warnings ..................................................................................................15
AS SEN PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 16
2011-05-02
Pressure sensors
Barometric pressure transmitters for SMT
Preliminary data
1. Technical Data
Absolute maximum ratings
Parameter
Temperature ranges
Storage temperature range
Operating temperature range
Compensated temperature range
Soldering temperature
Pressure ranges
Rated pressure
Overpressure
Burst pressure
Supply voltage /-current
Supply voltage
Supply current
Signal output current
Start up time
V
supply
I
supply
I
out
t
STA
6)
ASB series
Symbol
Conditions
Min.
Max.
Unit
T
st
T
op
T
c
T
solder
1)
-40
2)
+125
+85
+125
+70
+260
°
C
°
C
°
C
°
C
°
C
TN
TE
-40
-40
0
2)
3),4)
p
r
p
ov
absolute
4), 5)
0.2 (2.9)
2
3
1.2 (17.4)
bar (psi)
p
r
p
r
2.7
5.5
2.5
2
10
V
mA
mA
ms
I
out
= 0
7)
8)
AS SEN PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 16
2011-05-02
Pressure sensors
Barometric pressure transmitters for SMT
Preliminary data
ASB series
3. Digital Output – I²C (D5)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Digital output pressure signal (D5) @ T
op
= 25° V
supply
= 5 V, I
out
< 0.1 mA
C,
Offset (at p
r,min
)
Signal span (Full Scale)
Full scale output at p
r,max
Non-linearity
Response time
Basic accuracy
D
D
P
out,0
P
FS
D5: I²C - 14bit
D5: I²C - 14bit
1638
13107
14745
digits
digits
digits
% FS
ms
D
L
P
out,0
+
D
P
FS
D5: I²C - 14bit
Simple output
12)
10), 11)
±
0.1
2
t
10-90
±
2
±
3
% FS
Digital output temperature signal (D5) @ p
r,min
, V
supply
= 5 V, I
out
< 0.1 mA
Offset (at 0°
C)
Sensitivity
Basic accuracy
D
D
T
T
out,0
S
D5: I²C - 11bit
D5: I²C - 11bit
T
op
: 0 … 70°
C
512
10.235
digits
digits/K
±
2
±
3
°
C
Configuration, digital interface
System clock frequency
Update period
I C address
Sensor connection check
Sensor short check
Sleep Mode
2
10
6
Hz
ms
hex
1.5
0x28
active
active
active
Terminal assignment
Pin Symbol
1 GND
2 V
supply
voltage
3 SDA
4 SCL
Signal
Ground
Supply
Serial Data
Serial Clock
Dimensional drawings
AS SEN PD
2011-05-02
Page 5 of 16
Please read
Cautions and warnings
and
Important notes
at the end of this document
.
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