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L9662 数据表(PDF) 21 Page - STMicroelectronics

部件名 L9662
功能描述  Octal squib driver and quad Manchester/PSI5 encoded sensor
PDF  80 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9662 数据表(HTML) 21 Page - STMicroelectronics

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L9662
Electrical specifications
79
Bitr
Minimum frequency
operating range (Incoming
messages fall within this
operating range is
guaranteed to be
accepted by the IC)
Channel configurations bit<8:7>
= 00 Test at frq. = 52.33 kHz
Test at frq. =13.32 kHz
13.32
-
52.33
kHz
bit<8:7> =01Test at frq =110.74
kHz Test at frq. = 26.32 kHz
26.32
-
110.74
kHz
bit<8:7> =10
Test at frq =164.20 kHz
Test at frq = 43.50 kHz
43.50
-
164.20
kHz
bit<8:7>=11
Test at frq. = 250.63 kHz
Test at frq. = 62.66 kHz
62.66
-
250.63
kHz
Bitr
Maximum frequency
operating range (Incoming
messages fall outside this
operating range is
guaranteed to be rejected
by the IC)
Channel configurations bit<8:7>
= 00
Test at frq. > 59.14 kHz
Test at frq. <11.99 kHz
11.99
-
59.14
kHz
bit<8:7> =01
Test at frq > 128.37 kHz
Test at frq < 23.57 kHz
23.57
-
128.37
kHz
bit<8:7> =10
Test at frq >194.93 kHz
Test at frq < 38.71 kHz
38.71
-
194.93
kHz
bit<8:7>=11
Test at frq > 309.6 kHz
Test at frq < 55.37 kHz
55.37
-
309.6
kHz
Idle
Idle time
CRC disabled:
The idle bit time is based on the
bit time calculated using the
start bits based on the last edge
of previous message to 1st
rising edge (start bit) of new
message If an error is detected
then the device shall default to
1.5 times the maximum
frequency (minimum bit time).
No idle time required after
enabling channel
1.5*Tbit
-
-
μs
CRC enabled:
1.5*Tbit
+4μs
--
Tdl & Tdh
IFx/Vx delay
Test with 10K 1% Iref resistor
check response from changing
between the following current
levels. High = 0 to 15 mA,
Low = 66 to 15 0mA
-1
-
μs
Tdl - Tdh
IFx/Vx delay time
differential
ICHX outputs with a 500 μs
symmetrical pulse in and 500us
out.
-
-
0.3
μs
Table 8. Satellite interface - DC electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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