B58601D8010A024 EPCOS AG, B58601D8010A024 Datasheet - Page 6

• Manufacturer Part Number: B58601D8010A024
• Description: Pressure Sensors
• Manufacturer: EPCOS AG

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AS SEN PD
Please read Cautions and warnings and
Important notes at the end of this document.
Pressure sensors
C28 series
Full scale value FS
Sensitivity S
The sensitivity is defined for a bridge voltage power supply V
This parameter is tested for process control on samples, mounted on a TO39 base.
Nonlinearity L
This parameter may be influenced by assembly.
The nonlinearity is measured using the endpoint method. Assuming a characteristic, this can be approximated
by a polynomial of second order, where the maximum is at p
using the equation:
This parameter is tested for process control on samples, mounted on a TO39 base.
Temperature coefficient of sensitivity
These parameters may be influenced by assembly.
The temperature coefficients of sensitivity are tested for design verification on samples, mounted on a TO39 base
over a reduced temperature range T
The temperature coefficients of first and second order are defined with the polynomial:
The coefficients
Pressure hysteresis pHys
The pressure hysteresis is the difference between output voltages at constant pressure and constant temperature while
applying a pressure cycle with pressure steps of p
With k = min, 1, 2, 3, max. The pressure steps are: p
This parameter is tested for design verification on samples, mounted on a TO39 base.
Forward diode voltage V
The voltage drop is measured across anode and cathode by a forward current of 47 µA.
This parameter is tested completely on a wafer (wafer level test measurement).
Temperature coefficient of forward diode voltage TCV
The temperature sensitivity of diode voltage drop is defined by the measured values at –20 ° C and 80 ° C
using the equation:
With T
The estimated temperature coefficient is also valid at temperatures between –40 ° C and 135 ° C.
This parameter is tested for design verification on samples, mounted on a TO39 base.
Reliability data
For long-term stability of offset voltage LTSV
“Reliability data” on the internet.
meas,min
= –20 ° C and T
S
and
S
F
are calculated using the three measurement points of S(T) at T
meas,max
Gauge pressure sensor die for front side pressure applications
( S
) T
meas
= 80 ° C and the measurement is done with a constant current of 50 µA.
TCV
,
S
min
S
T (
pHys
L
F
and
= –20 ° C to T
0
please refer to the defined Aktiv Sensor’s standard AS100001 in chapter
25
FS
S
V
V
V
out
F
S
) C
r, min
:
out
T (
V
p (
V
T
rmin
V



meas
out
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1
p (
out
, p
meas
r
out
max
2 ,
x
= 0, p
1
p (
meas
, p
)
,
p (
p (
S
p
F
max
,
max
r
)
T
r
r
max
2
k
max
x
V
, p
max
DD
,
)
FS
max
= p
)
1
o
V
25
3
= 0.25·p
= 5 V. It can be determined by the formula:
)
o
, p
V
)
= 80 ° C with T
V
T
rmax
C
out
meas
r,max
F
V
V
p
T (
o
/2. The nonlinearity is defined at p
1 ,
o
r
p
p (
max
, p
meas
,
S
min
x
r,max
k
T
3
)
, p
,
min
, p
25
2
, p
2
)
R
C
= 0.5·p
1
, p
= 25 ° C.
2



r, min
r,max
:
meas,min
, p
3
= 0.75·p
, T
R
and T
r, max
x
= p
, p
meas,max
rmax
r,max
2009-08-03
/2,
.
.