L9638 데이터 시트보기 (PDF) - STMicroelectronics
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L9638 Datasheet PDF : 14 Pages
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L9638
Table 5. Electrical Characteristics (continued)
(VS = 6V to 26V; TJ = -40 to 150 °C unless otherwise specified)
Item Symbol
Parameter
Test Condition
Min.
2.10
dVLIN/dt Slew rate falling edge
From 90% to 10% of VLIN
-3
2.11
tsym
Rising/ Falling edge
symmetry
tsym= tslope_fall - tslope_rise
-5
2.12
ttrans_pd
Propagation delay of
transmitter
See Fig.2
ttrans_pd = max (ttrans_pdr,
trans_pdf)
2.13
trec_pd
Propagation delay of
receiver
See Fig.2
trec_pd = max (trec_pdr, trec_pdf)
2.14
trec_sym Symmetry of receiver
See Fig.2
-2
propagation delay rising
trec_sym= (trec_pdf -trec_pdr)
edge w.r.t. falling edge
2.15
ttrans_sym
Symmetry of transmitter
propagation delay rising
edge w.r.t. falling edge
See Fig.2
-2
ttrans_sym = (ttrans_pdf -ttrans_pdr)
2.16
tLINgs
Bus wake-up glitch
suppression time
See Fig.3 VLIN = VLINLow
3 Transmission Input TxD
3.1
VTxDLow Input Voltage dominant
state
3.2
VTxDHigh Input Voltage recessive
3.5
state
3.3
RTxD
TxD pull up resistor
5
4 Receive Output RxD
4.1
VRxDLow Output Voltage dominant IRxD = 2mA
state
4.2
VRxDHigh Output Voltage recessive
IRxD≥10µA
4.5
state
4.3
RRxD
RxD pull up resistor
5
5 Inhibit Output INH
5.1
RON(INH) Switch on resistance
between Vs and INH
IINH=-15mA; Vs=13.5V
5.2
ION(INH) INH output current
Normal or stand-by mode
15
5.3 ROFF(INH) Switch off INH pull down
5
resistor
6 Wake Up Input WUP
6.1
VWUPLow Low level input voltage
6.2 VWUPHigh High level input voltage
3.5
Typ.
-2
Max.
-1
-5
Unit
V/µs
µs
4
µs
6
µs
2
µs
2
µs
40 100 µs
1.5
V
V
10
25
KΩ
1.5
V
V
10
25
kΩ
20
40
Ω
30
50
mA
10
25
kΩ
1.5
V
Vs+0. V
3
4/14
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