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L9680 Datasheet(PDF) 263 Page - STMicroelectronics

Part # L9680
Description  Automotive advanced airbag IC for mid/high end applications
PDF  277 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9680 Datasheet(HTML) 263 Page - STMicroelectronics

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DocID029257 Rev 1
263/277
L9680
Electrical characteristics
276
Table 64. WSS sensor - AC specifications
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
1TFLT_WS
WS Deglitch filter time
Configurable by SPI (4bits)
8
-
15.6
μs
2
-
Latency time
between receiving sensor data @
RSUx pin and reaching threshold
high level of WSx pin (trigger point
80% of RSUx modulated current)
--
2 +
TFLT_
WS
μs
3
-
Jitter on Latency time
Design Info
-
-
125
ns
4
TFLT_OCTH_WS
S
Over Current Detection
Deglitch filter time
-
500
-
600
μs
5
TFLT_OPEN_RS
U
Open Detection Deglitch
Filter Time
-10
-
15
μs
6TFLT_LKG_RSU
Leakage Deglitch Filter
Time
-10
-
15
μs
7
TSTANDSTILL_T
H_L
Pulse duration to assert
standstill bit thresholds
-
1.13
-
-
ms
8
TSTANDSTILL_T
H_H
-
-
2.55
ms



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