L9952XP datasheet(44/68 Pages) STMICROELECTRONICS

44 / 68 page

Electrical characteristics

L9952GXP

44/68

Doc ID 13518 Rev 5

Table 24.

LIN transmitter (continued)

Item

Symbol

Parameter

Test condition

Min.

Typ.

Max. Unit

LIN

LIN transmitter

7.12.20

VLINdom

LIN voltage level in

dominant state

VTxD = VTxDlow

ILIN = 40mA

1.2

7.12.21

VLINrec

LIN voltage level in

recessive state

VTxD = VTxDhigh

ILIN = 10µA

0.8

7.12.22

RLINup

LIN output pull up

resistor

VLIN = 0V

Table 25.

LIN timing

Item

Symbol

Parameter

Test condition

Min.

Typ.

Max. Unit

LIN timing

7.12.24

tTXpd_sym

Symmetry of

transmitter

propagation delay

time (rising vs.

falling edge)

tTXpd_sym =

= tTXpdr – tTXpdf

Vs=12V,

Rbus Cbus:

1 k

Ω, 1 nF

-2.5

2.5

µs

7.12.25

tRXpd

Receiver

propagation delay

time

tRXpd =

= max (tRXpdr tRXpdf)

tRXpdf =

=t(0.5RXD)-t(0.45 VLin)

tRXpdr =

=t(0.5RXD)-t(0.55 VLin)

Crxd = 20pF

Vs = 12V,

Rbus Cbus:

1 k

Ω, 1 nF;

660

Ω, 6.8 nF;

500

Ω,10 nF

-6

µs

7.12.26

tRXpd_sym

Symmetry of

receiver

propagation delay

time (rising vs.

falling edge)

tRXpd_sym =

= tRXpdr – tRXpdf

-2

µs

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