ATA6620_06 Datasheet, PDF (14/20 Pages) ATMEL Corporation – LIN Bus Transceiver with Integrated Voltage Regulator

8. Electrical Characteristics (Continued)
5V < V_S < 18V, T_amb = –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; R_RXD = 5 kΩ; C_RXD = 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
V_BUSrec 0.9 × V_S
V_S
V
8.2
Driver dominant voltage
V_VS = 7V
R_load = 500 Ω
8.3
Driver dominant voltage
V_VS = 18V
R_load = 500 Ω
8.4
Driver dominant voltage
V_VS = 7V
R_load = 1000 Ω
8.5
Driver dominant voltage
V_VS = 18V
R_load = 1000 Ω
8.6 Pull–up resistor to V_S
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
R_LIN
20
30
60
kΩ
Self-adapting current
8.7 limitation
V_BUS = V_{Batt_max}
T_j = 125°C
T_j = 27°C
T_j = –40°C
52
LIN
I_{BUS_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
V_BUS = 0V
LIN I_{BUS_PAS_dom}
–1
mA
specified
V_Batt = 12V
Driver off
8.9
Leakage current LIN
recessive
8V < V_Batt < 18V
8V < V_BUS < 18V
V_BUS ≥ V_Batt
LIN I_{BUS_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
GND_Device = V_S
V_Batt = 12V
0V < V_BUS < 18V
LIN I_{BUS_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
V_Batt disconnected
V_{SUP_Device} = GND
0V < V_BUS < 18V
condition
LIN
I_BUS
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