ATA6620 데이터 시트보기 (PDF) - Atmel Corporation
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ATA6620 Datasheet PDF : 20 Pages
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8. Electrical Characteristics (Continued)
5V < VS < 18V, Tamb = –40°C to 125°C
No. Parameters
Test Conditions
Pin Symbol Min.
Typ.
Max.
Unit
LIN Bus Driver: Bus Load Conditions:
8 Load 1 (Small): 1 nF, 1 kΩ; Load 2 (Large): 10 nF, 500Ω; RRXD = 5 kΩ; CRXD = 20 pF
10.5, 10.6 and 10.7 Specifies the Timing Parameters for Proper Operation at 20 Kbps
8.1
Driver recessive output
voltage
Load1/Load2
LIN
VBUSrec 0.9 × VS
VS
V
8.2
Driver dominant voltage
VVS = 7V
Rload = 500 Ω
8.3
Driver dominant voltage
VVS = 18V
Rload = 500 Ω
8.4
Driver dominant voltage
VVS = 7V
Rload = 1000 Ω
8.5
Driver dominant voltage
VVS = 18V
Rload = 1000 Ω
8.6 Pull–up resistor to VS
The serial diode is
mandatory
LIN
V_LoSUP
1.2
V
LIN
V_HiSUP
2
V
LIN
V_LoSUP_1k
0.6
V
LIN
V_HiSUP_1k
0.8
V
LIN
RLIN
20
30
60
kΩ
Self-adapting current
8.7 limitation
VBUS = VBatt_max
Tj = 125°C
Tj = 27°C
Tj = –40°C
52
LIN
IBUS_LIM
100
120
110
mA
170
mA
230
mA
Input leakage current at Input Leakage current
8.8
the receiver including
pull–up resistor as
Driver off
VBUS = 0V
LIN IBUS_PAS_dom
–1
mA
specified
VBatt = 12V
Driver off
8.9
Leakage current LIN
recessive
8V < VBatt < 18V
8V < VBUS < 18V
VBUS ≥ VBatt
LIN IBUS_PAS_rec
15
20
µA
Leakage current when
control unit
disconnected from
8.10
ground.
Loss of local ground
must not affect
communication in the
GNDDevice = VS
VBatt = 12V
0V < VBUS < 18V
LIN IBUS_NO_gnd
–10
+0.5
+10
µA
residual network
8.11
Node has to sustain the
current that can flow
under this condition.
Bus must remain
operational under this
VBatt disconnected
VSUP_Device = GND
0V < VBUS < 18V
condition
LIN
IBUS
0.5
3
µA
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Type*
A
A
A
A
A
A
A
A
A
A
A
14 ATA6620
4850D–AUTO–02/06
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