ata6621n ATMEL Corporation, ata6621n Datasheet - Page 20

• Manufacturer Part Number: ata6621n
• Description: Lin Transceiver With 5v Regulator And Watchdog
• Manufacturer: ATMEL Corporation

5. Electrical Characteristics (Continued)
5V < V
20
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
8.10
8.11
No.
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
9.1
9.2
9.3
9.4
9.5
9.6
8
9
S
Parameters
LIN Bus Driver: Bus Load Conditions:
Load1 (Small): 1 nF, 1 k ; Load2 (Large): 10 nF, 500 ; RRXD = 5 k ; C
10.5, 10.6 and 10.7 Specify the Timing Parameters for Proper Operation at 20 Kbps
Driver recessive output
voltage
Driver dominant voltage
Driver dominant voltage
Driver dominant voltage
V
Driver dominant voltage
Pull-up resistor to VS
Self-adapting current
limitation
V
Input leakage current at
the receiver including
pull-up resistor as
specified
Leakage current LIN
recessive
Leakage current when
control unit disconnected
from ground. Loss of
local ground must not
affect communication in
the residual network
Node has to sustain the
current that can flow
under this condition. Bus
must remain operational
under this condition
LIN Bus Receiver
Center of receiver
threshold
Receiver dominant state V
Receiver recessive state V
Receiver input hysteresis V
Wake detection LIN
High-level input voltage
Wake detection LIN
Low-level input voltage
< 18V, T
BUSdom_DRV_LoSUP
Bus
ATA6621N
= V
amb
Batt_max
= –40°C to +125°C
Test Conditions
Load1 / Load2
V
R
V
R
V
R
V
R
The serial diode is mandatory
T
T
T
Input leakage current
Driver off
V
V
Driver off
8V < V
8V < V
V
GND
V
0V < V
V
V
0V < V
V
(V
Initializes a wake-up signal
j
j
j
VS
VS
VS
VS
BUS
Battery
BUS
Battery
Battery
SUP_Device
BUS_CNT =
EN
EN
HYS
load
load
load
load
th_dom
= 125°C
= 27°C
= –40°C
= 7V
= 18V
= 7V
= 18V
= 5V
= 5V
= 1000
Device
= 500
= 500
= 1000
= 0V
= V
Battery
BUS
BUS
BUS
= 12V
= 12V
V
disconnected
+ V
Batt
th_rec
= V
< 18V
< 18V
< 18V
= GND
th
< 18V
_
– V
S
rec
) / 2
th_dom
Pin
I
I
V
I
BUS_PAS_dom
V
BUS_PAS_rec
BUS_NO_gnd
V
Symbol
V
V
_HiSUP_1k_
I
V
V
V
_LoSUP_1k
V
BUS_LIM
BUS_CNT
V
BUSdom
V
_LoSUP
_HiSUP
R
BUShys
BUSrec
I
BUSrec
BUS
LINH
LINL
LIN
RXD
= 20 pF
0.475 V
0.028 V
V
0.9 V
0.6 V
S
Min
100
120
–10
–27
–27
0.6
0.8
20
52
–1
– 1V
S
S
S
S
0.1 V
Typ
0.5
0.5
0.5
30
15
V
S
S
V
V
0.175 V
0.525 –
S
S
0.4 V
Max
110
170
230
+ 0.3V
– 3.3V
1.2
V
60
20
10
V
40
2
3
S
S
S
S
4887H–AUTO–12/07
Unit
mA
mA
mA
mA
µA
µA
µA
k
V
V
V
V
V
V
V
V
V
V
V
Type*
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A