SPSB081 datasheet(74/135 Pages) STMICROELECTRONICS

74 / 135 page

Symbol

Parameter

Condition

Min

Typ Max Unit Item

tRXpd_sym

Symmetry of

receiver

propagation

delay time

(rising vs.

falling edge)

tRXpd_sym=tRXpdr-tRXpdf;

VSREG=12 V;

Rbus = 1 kΩ, Cbus = 1 nF;

CRXD=20 pF

-2

μs

E.097

Duty cycle 1

THRec(max)=0.744*VSREG; THDom(max)=0.581*VSREG;

VSREG=7 ... 18V, tbit= 50us;

D1=tbus_rec(min)/(2xtbit);

Rbus = 1 kΩ, Cbus = 1nF;

Rbus = 660 Ω, Cbus = 6.8 nF;

Rbus = 500 Ω, Cbus = 10 nF

0.396

E.098

Duty cycle 2

THRec(min)=0.422*VSREG; THDom(min)= 0.284*VSREG;

VSREG=7.6...18 V, tbit= 50us;

D2=tbus_rec(max)/(2xtbit);

Rbus = 1 kΩ, Cbus = 1 nF;

Rbus = 660 Ω, Cbus = 6.8 nF;

Rbus = 500 Ω, Cbus = 10 nF

0.581

E.099

Duty cycle 3

THRec(max)=0.778*VSREG;

THDom(max)=0.616*VSREG;VSREG=7 ... 18 V, tbit= 96 us;

D3=tbus_rec(min)/(2xtbit);

Rbus = 1 kΩ, Cbus = 1nF;

Rbus = 660 Ω, Cbus = 6.8 nF;

Rbus = 500 Ω, Cbus = 10 nF

0.417

E.100

Duty cycle 4

THRec(min)=0.389*VSREG; THDom(min)=0.251*VSREG;

VSREG=7.6 ... 18 V, tbit=96 us;

D4=tbus_rec(max)/(2xtbit);

Rbus = 1 kΩ, Cbus = 1 nF;

Rbus = 660 Ω, Cbus = 6.8 nF;

Rbus = 500 Ω, Cbus = 10 nF

0.590

E.101

tdom(TXDL)

TXDL dominant

time-out

Tested by scan

ms E.102

tLIN

LIN permanent

recessive time-

out

Tested by scan

μs

E.103

Tdom(bus)

LIN Bus

permanent

dominant time-

out

Tested by scan

ms E.104

SPSB081

LIN transceiver (only for SPSB0815 & SPSB0813)

DS14048 - Rev 1

page 74/135

SPSB081 Datasheet(PDF) 74 Page - STMicroelectronics

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