L9779WD datasheet(98/170 Pages) STMICROELECTRONICS

номер детали	L9779WD

подробное описание детали	Multifunction IC for engine management system

PDF	170 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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98 / 170 page

Functional description

L9779WD

98/170

DocID027452 Rev 5

CAN_H

CAN_L

VTHrec

Differential receiver

threshold voltage

dominant to

recessive state

Active mode

0.5

SRH

CANH slew rate

between 10% and

90%

-5

V/µs

SRL

CANL slew rate

between 10% and

90%

-5

V/µs

DIFF_SR

Slew rate difference

between CANH and

CANL

SRVDIFF

Slew rate of

Vdiff = VCANH-VCANL

100

V/µs

VTHhys

VTHdom - VTHrec

hysteresis

-25

Table 42. CAN transceiver electrical characteristics (continued)

Symbol

Description

Test conditions

Min

Typ

Max

Unit

Table 43. CAN transceiver timing characteristics

Symbol

Description

Test conditions

Min

Typ

Max

Unit

tTXpd,hl

Propagation delay TX_CAN

to RX_CAN (High to Low)

Active mode; 50% VTX_CAN to

50% VRX_CAN; CL=100 pF;

CRX_CAN = 15 pF; RL = 60 Ω;

Guaranteed by design.

255

CRX_CAN = 100 pF

@Troom and Tcold

265

CRX_CAN = 100 pF

@Thot

275

tTXpd,lh

Propagation delay TX_CAN

to RX_CAN (Low to High)

Active mode; 50% VTX_CAN to

50% VRX_CAN; CL = 100 pF;

CRX_CAN = 15 pF; RL = 60 Ω;

Guaranteed by design.

255

CRX_CAN = 100 pF

@Troom and Tcold

265

CRX_CAN = 100 pF

@Thot

275

tdom(TX_CAN) TX_CAN dominant time-out Tested by scan

525

700

875

µs

tCAN

CAN permanent dominant

time-out

Tested by scan

700

µs

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