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Número de pieza

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Fabricante

ATA6662

LIN Transceiver

Atmel Corporation 

ATA6662

6. Electrical Characteristics (Continued)

5V < VS < 27V, Tj = –40°C to +150°C

No. Parameters

Test Conditions

Pin Symbol Min. Typ. Max.

10.4 Duty cycle 4

THRec(min) = 0.389 × VS

THDom(min) = 0.251 × VS

VS = 7.0V to 18V

6

D4

tBit = 96 µs

D4 = tbus_rec(max) / (2 × tBit)

11

Receiver Electrical AC Parameters of the LIN Physical Layer

LIN receiver, RXD load conditions: CRXD = 20 pF, Rpull-up = 5 kΩ

11.1

Propagation delay of receiver

(see Figure 6-1 on page 13)

trec_pd = max(trx_pdr, trx_pdf)

VS = 7.0V to 18V

1

trx_pd

Symmetry of receiver

11.2 propagation delay rising edge

minus falling edge

trx_sym = trx_pdr – trx_pdf

VS = 7.0V to 18V

1

trx_sym

–2

0.590

6

+2

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

Unit Type*

A

µs

A

µs

A

Figure 6-1. Definition of Bus Timing Parameter

tBit

tBit

tBit

TXD

(Input to transmitting node)

VS

(Transceiver supply

of transmitting node)

THRec(max)

THDom(max)

THRec(min)

THDom(min)

RXD

(Output of receiving node 1)

trx_pdf(1)

RXD

(Output of receiving node 2)

tBus_dom(max)

LIN Bus Signal

tBus_dom(min)

trx_pdr(2)

tBus_rec(min)

Thresholds of

receiving node 1

Thresholds of

receiving node 2

tBus_rec(max)

trx_pdr(1)

trx_pdf(2)

13

4916O–AUTO–05/10

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