L99DZ100GP datasheet(60/197 Pages) STMICROELECTRONICS

60 / 197 page

Electrical specifications

L99DZ100G, L99DZ100GP

60/197

DS11546 Rev 5

The voltages are referred to ground and currents are assumed positive, when the current

flows into the pin. 6V < VS < 28V; Tj = -40 °C to 150 °C, unless otherwise specified.

Table 46. LIN transceiver timing

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

tRXpd

Receiver propagation

delay time

tRXpd = max(tRXpdr, tRXpdf);

tRXpdf = t(0.5 VRXD)-t(0.45 VLIN);

tRXpdr = t(0.5 VRXD)-t(0.55 VLIN);

VSREG = 12 V; CRXD=20 pF;

Rbus = 1 kΩ, Cbus = 1 nF; Rbus = 660 Ω,

Cbus = 6.8 nF; Rbus = 500 Ω,

Cbus = 10 nF

μs

tRXpd_sym

Symmetry of receiver

propagation delay time

(rising vs. falling edge)

tRXpd_sym = tRXpdr - tRXpdf; VSRE = 12 V;

Rbus = 1 kΩ; Cbus = 1 nF; CRXD = 20 pF

-2

μs

Duty Cycle 1

THRec(max) = 0.744 * VSREG;

THDom(max) = 0.581 * VSREG;

VSREG = 7 to 18 V, tbit = 50 µs;

D1 = tbus_rec(min) / (2 x tbit);

Rbus = 1 kΩ, Cbus = 1 nF; Rbus = 660 Ω,

Cbus = 6.8 nF; Rbus = 500 Ω,

Cbus = 10 nF

0.396

Duty Cycle 2

THRec(min) = 0.422* VSREG;

THDom(min) = 0.284* VSREG;

VSREG = 7.6 to 18 V, tbit = 50 µs;

D2 = tbus_rec(max) / (2 x tbit);

Rbus = 1 kΩ, Cbus = 1 nF; Rbus = 660 Ω,

Cbus = 6.8 nF; Rbus = 500 Ω,

Cbus = 10 nF

0.581

Duty Cycle 3

THRec(max) = 0.778* VSREG;

THDom(max) = 0.616* VSREG; VSREG = 7

to 18 V, tbit = 96 µs;

D3 = tbus_rec(min) / (2 x tbit);

Rbus = 1 kΩ, Cbus = 1 nF; Rbus = 660 Ω,

Cbus = 6.8 nF; Rbus = 500 Ω,

Cbus = 10 nF

0.417

Duty Cycle 4

THRec(min) = 0.389* VSREG;

THDom(min) = 0.251* VSREG;

VSREG = 7.6 to 18 V, tbit = 96 µs;

D4 = tbus_rec(max) / (2 x tbit);

Rbus = 1 kΩ, Cbus = 1 nF; Rbus = 660 Ω,

Cbus = 6.8 nF; Rbus = 500 Ω,

Cbus = 10 nF

0.590

tdom(TXDL)

TXDL dominant time-

out

tLIN

LIN permanent

recessive time-out

μs

tdom(bus)

LIN Bus permanent

dominant time-out

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