L9788 datasheet(168/264 Pages) STMICROELECTRONICS

168 / 264 page

LIN/K-LINE interface

L9788

168/264

DS12308 Rev 4

Duty Cycle

Thresmin = 0.389 VB_IN,

Thdommin = 0.251 VB_IN,

VB_IN = 7.6-18 V,



tbit=96µs,



D4 = tbus_resmax/(2xtbit)

0.59

LIN(Bus

Receiver)

trise_LIN

Slew Rate(LIN)

Cbus = 2.2nF, Rbus = 1kΩ,



40-60%,VB_IN=13.5V

123

µs

LIN(Bus

Receiver)

Tfall_LIN

Slew Rate(LIN)

Cbus = 2.2nF, Rbus = 1kΩ,



40-60%,VB_IN=13.5V

0.8

µs

LIN(Bus

Receiver)

trise_K_LINE

Slew

Rate(K_LINE)

Cbus = 7.2 nF + 2 nF,

Rbus = 510 Ω,



20-80%,VB_IN = 18 V

1.2

µs

LIN(Bus

Receiver)

Tfall_K_LINE

Slew

Rate(K_LINE)

Cbus = 7.2 nF + 2 nF,

Rbus = 510 Ω,



20-80%,VB_IN = 18 V

1.2

µs

LIN(Bus

Receiver)

T_SD_HIGH

Temperature shut

down

185

200

°C

LIN

T_SD_LOW

Temperature shut

down recover

175

190

°C

LIN

T_SD_hys

Temperature shut

down hysteresis

-5

°C

LIN

Thermal shutdown

analog filter time

Guaranteed by design

1.5

µs

LIN

Digital deglitch

filter time on

Temperature shut

down detection

Guaranteed by scan

µs

LIN

Rslave(1)

kΩ

LIN

VserDiode(1)

Diode drop + pull-

up resistor drop

Ibias = 10 µA

0.4

0.7

1.0

LIN

VserDiode_drop Diode drop

Ibias= 550 µA

Guaranteed by design

0.4

0.7

1.0

LIN

CLINIO

LINIO input

capacitance

Guaranteed by design

LIN

1. LIN Physical Layer Spec Revision 2.1 November 24, 2006; Page 119

Table 82. Electrical characteristics of LIN interface (continued)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

L9788 Datasheet(PDF) 168 Page - STMicroelectronics

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