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L9678P датащи(PDF) 188 Page - STMicroelectronics

номер детали L9678P
подробное описание детали  Automotive user configurable airbag IC
PDF  203 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L9678P датащи(HTML) 188 Page - STMicroelectronics

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Electrical characteristics
L9678P, L9678P-S
188/203
DocID029274 Rev 3
15.19
DC sensor interface
All electrical characteristics are valid for the following conditions unless otherwise noted.
-40 °C
 Ta  +95 °C, VINGOOD2(max)  VIN  35V, 8.5 V  VRESDIAG  35 V.
Table 54. DC sensor interface specifications
Symbol
Parameter
Condition
Min
Typ
Max
Unit
1VOUT_DCSREG
Output voltage
regulation mode
DCS Regulator enabled
-10%
6.25
+10%
V
2ILIM_DCSREG
Current limitation
regulation mode
DCS Regulator enabled
DCS = 0
24
27
30
mA
3VDCS_RANGE1
Voltage measurement
range1
First voltage
measurement
(VDCS_MEAS1) to
compensate external
ground shift and internal
offset
-1
-
1.4
V
4VDCS_ACC1
Voltage measurement
accuracy 1
VDCS = VDCS_RANGE1
Included ADC error
-15
-
15
%
5VDCS_RANGE2
Voltage measurement
range 2
-1.5
-
10
V
6VDCS_ACC2
Voltage measurement
accuracy 2
VDCS = VDCS_RANGE2
Included ADC error
-8
-
+8
%
7IDCS_RANGE1
Current measurement
range 1
-1
-
2
mA
8IDCS_ACC1
Current measurement
accuracy 1
IDCS = IDCS_RANGE1
Included ADC error
-30
-
+30
%
9IDCS_RANGE2
Current measurement
range 2
-2
-
22
mA
10
IDCS_ACC2
Current measurement
accuracy 2
IDCS = IDCS_RANGE2
Included ADC error
-12
-
+12
%
11
IDCS_RANGE3
Current measurement
range 3
Regulator in current
limitation
-ILIM_DCSREG
-mA
12
IDCS_ACC3
Current measurement
Accuracy 3
DCS = 0
Included ADC error
-12
-
+12
%
13
RDCS_RANGE
Resistance
Measurement
Range
Design info
65
-
3000
14
RDCS_ACC
Accuracy of digital
resistance
measurement
Performing both voltage
measurements 1 and 2
After Software calculation
All errors included
-15
15
%



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