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L9678P Datasheet(PDF) 206 Page - STMicroelectronics

Part # L9678P
Description  Automotive user configurable airbag and battery cut-off IC
PDF  215 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P Datasheet(HTML) 206 Page - STMicroelectronics

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Electrical characteristics
L9678P, L9678P-S
206/216
DS11626 Rev 9
16.23
Voltage diagnostics (analog Mux)
All electrical characteristics are valid for the following conditions unless otherwise noted.
-40 °C  Ta  +95 °C, VINGOOD(max)  VIN  35V.
16.24
Temperature sensor
All electrical characteristics are valid for the following conditions unless otherwise noted.
-40 °C  Ta  +95 °C, VINGOOD(max)  VIN  35V.
Table 63. Voltage diagnostics (Analog MUX) DC specifications
N°
Symbol
Parameter
Condition
Min. Typ. Max. Units
1
Ratio_1
Divider ratios
VIN_RANGE1 = 0.1V … 2.5V
-
1
-
V/V
2
Ratio_4
VINPUT_RANGE2 = 1V … 10V
(where applicable)
-3%
4
+3%
V/V
3
Ratio_7
VINPUT_RANGE_3 = 1.5V … 17.5V
(where applicable)
-3%
7
+3%
V/V
4
Ratio_10
VINPUT_RANGE_4 = 2V … 25V
(where applicable)
-3%
10
+3%
V/V
5
Ratio_15
VINPUT_RANGE_5 = 3V … 35V
(where applicable)
-3%
15
+3%
V/V
6
VOFFSET_RATIO_X Divider offset
High impedance
-10
-
10
mV
7
RRATIO_4
Multiplexer input
resistance
Multiplexer input to GNDA
80
-
-
kΩ
8
RRATIO_7
Multiplexer input to GNDA
120
-
-
kΩ
9
RRATIO_10
Multiplexer input to GNDA
160
-
-
kΩ
10
RRATIO_15
Multiplexer input to GNDA
200
-
-
kΩ
11
ILEAK_RATIO_X
Additional multiplexer
on-state input
leakage current
For All Divider Ratio expect Ratio_1
-
-
60
µA
12
VMEAS_ACC
Voltage
measurement
accuracy
ADC total error included
Table 64. Temperature sensor specifications
N°
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
1
TMON_RANGE
Monitoring temperature
range
-
-40
-
150
°C
2
TMON_ACC
Monitoring temperature
accuracy
-
-15
-
15
°C



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