Electrical characteristics (continued) – Rainbow Electronics ATA6664 User Manual

Page 13

Advertising
background image

13

9146E–AUTO–03/11

Atmel ATA6663/ATA6664

7.12

Leakage current at loss of
battery; node has to substain the
current that can flow under this
condition; bus must remain
operational under this condition

V

BAT

disconnected

V

SUP_Device

= GND

0V < V

BUS

< 18V

6

I

BUS_NO_Bat

0.1

2

µA

A

7.13

Capacitance on pin LIN to GND

6

C

LIN

20

pF

D

8

LIN Bus Receiver

8.1

Center of receiver threshold

V

BUS_CNT

=

(V

th_dom

+ V

th_rec

) / 2

6

V

BUS_CNT

0.475

×

V

S

0.5

×

V

S

0.525

×

V

S

V

A

8.2

Receiver dominant state

V

EN

= 5V

6

V

BUSdom

–27

0.4

×

V

S

V

A

8.3

Receiver recessive state

V

EN

= 5V

6

V

BUSrec

0.6

×

V

S

40

V

A

8.4

Receiver input hysteresis

V

HYS

= V

th_rec

– V

th_dom

6

V

BUShys

0.028

×

V

S

0.1

×

V

S

0.175

×

V

S

V

A

8.5

Pre-wake detection LIN
High-level input voltage

6

V

LINH

V

S

2V

V

S

+

0.3V

V

A

8.6

Pre-wake detection LIN
Low-level input voltage

Switches the LIN receiver on

6

V

LINL

–27V

V

S

3.3V

V

A

8.7

LIN Pre-wake pull-up current

V

S

< 27V

V

LIN

= 0V

6

I

LINWAKE

–30

–10

µA

A

9

Internal Timers

9.1

Dominant time for wake-up via
LIN bus

V

LIN

= 0V

6

t

BUS

30

90

150

µs

A

9.2

Time of low pulse for wake-up
via pin WAKE

V

WAKE

= 0V

3

t

WAKE

7

35

50

µs

A

9.3

Time delay for mode change
from fail-safe mode to normal
mode via pin EN

V

EN

= 5V

2

t

norm

2

7

15

µs

A

9.4

Time delay for mode change
from normal mode into sleep
mode via pin EN

V

EN

= 0V

2

t

sleep

7

15

24

µs

A

9.5

Atmel ATA6663:
TXD dominant time out time

V

TXD

= 0V

4

t

dom

40

60

85

ms

A

9.6

Power-up delay between V

S

= 5V

until INH switches to high

V

VS

= 5V

7, 8

t

VS

200

µs

A

9.7

Monitoring time for wake-up via
LIN bus

6

t

mon

6

10

15

ms

A

6.

Electrical Characteristics (Continued)

5V < V

S

< 27V, T

j

= –40°C to +150°C

No.

Parameters

Test Conditions

Pin

Symbol

Min.

Typ.

Max.

Unit

Type*

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter

Advertising