Rainbow-electronics ATA6625 Manual do Utilizador descarregar pdf (Página 17)

4957E–AUTO–10/07

ATA6623/ATA6625

9 LIN Bus Receiver

9.1

Center of receiver

threshold

BUS_CNT

th_dom

+ V

rec

)/2

LIN V

BUS_CNT

0.475 ×

0.5 ×

0.525 ×

9.2 Receiver dominant state V

= 5V LIN V

BUSdom

–27 0.4 × V

9.3 Receiver recessive state V

= 5V LIN V

BUSrec

0.6 × V

40 V A

9.4

Receiver input

hysteresis

hys

= V

th_rec

– V

th_dom

LIN V

BUShys

0.028 ×

0.1 x V

0.175 ×

9.5

Pre-wake detection LIN

High level input voltage

LIN V

LINH

– 1V

0.3V

9.6

Pre-wake detection LIN

Low level input voltage

Activates the LIN receiver LIN V

LINL

–27 V

– 3.3V V A

10 Internal Timers

10.1

Dominant time for

wake–up via LIN bus

LIN

= 0V t

bus

30 90 150 µs A

10.2

Time delay for mode

change from Pre-normal

into Normal mode via pin

= 5V t

norm

520µsA

10.3

Time delay for mode

change from Normal

mode to Sleep mode via

pin EN

= 0V t

sleep

2 7 15 µs A

10.4

TXD dominant time out

timer

TXD

= 0V t

dom

61320msA

10.5 Duty cycle 1

Rec(max)

= 0.744 × V

Dom(max)

= 0.581 × V

= 7.0V to 18V

Bit

= 50 ms

D1 = t

bus_rec(min)

/(2 × t

Bit

)

D1 0.396 A

10.6 Duty cycle 2

Rec(min)

= 0.422 × V

Dom(min)

= 0.284 × V

= 7.6V to 18V

Bit

= 50 ms

D2 = t

bus_rec(max)

/(2 × t

Bit

)

D2 0.581 A

10.7 Duty cycle 3

Rec(max)

= 0.778 × V

Dom(max)

= 0.616 × V

= 7.0V to 18V

Bit

= 96 ms

D3 = t

bus_rec(min)

/(2 × t

Bit

)

D3 0.417 A

10.8 Duty cycle 4

Rec(min)

= 0.389 × V

Dom(min)

= 0.251 × V

= 7.6V to 18V

Bit

= 96 ms

D4 = t

bus_rec(max)

/(2 × t

Bit

)

D4 0.590 A

10.9

Slope time falling and

rising edge at LIN

= 7.0V to 18V

SLOPE_fall

SLOPE_rise

3.5 22.5 µs A

8. Electrical Characteristics (Continued)

5V < V

< 27V, –40°C < T

< 150°C; unless otherwise specified all values refer to GND pins.

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

1 2 ... 12 13 14 15 16 17 18 19 20 21 22

Comentários a estes Manuais

Sem comentários

Rainbow-electronics ATA6625 Manual do Utilizador Página 17

Comentários a estes Manuais

Manuais e produtos relacionados com Software Rainbow-electronics ATA6625