SPSB0813 datasheet(67/135 Pages) STMICROELECTRONICS

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Symbol

Parameter

Condition

Min

Typ

Max

Unit

Item

VDIFF_Arb

Differential output

voltage in dominant

state during arbitration:

VCANHdom-VCANLdom

VTXDC=VTXDCLOW

;

RL=2240 Ω

1.5

E.024

VDIFF,dom_ext

Differential output voltage

in dominant state on

extended bus load range:

VCANHdom-VCANLdom

VTXDC=VTXDCLOW

;

RL=45 Ω … 70 Ω

1.4

3.3

E.025

VDIFF,domVsLow

Differential output voltage

in dominant state:

VCANHdom-VCANLdom at

low VSREG

VTXDC=VTXDCLOW

;

RL=50 Ω … 65 Ω;

5 V < VSREG < 5.5

1.35

E.026

VDIFF,dom_ext_

VsLow

Differential output voltage

in dominant state:

VCANHdom -VCANLdom

with 45Ω … 70Ω load at

low VSREG

VTXDC=VTXDCLO

RL=45 … 70 Ω;

5 V < VSREG < 5.5

V (1)

1.25

3.3

E.027

VSYM

Driver symmetry

VSYM = (VCANH +

VCANL)/VCANSUP

VCANSUP = 5 V (2)

RL = 60 Ω ± 1%;

fTXDC = 1MHz (3);

CSPLIT = 4.7 nF

(+-5%)

0.9

1.1

E.028

IOCANH,dom (-3

CANH output current in

dominant state

VTXDC =

VTXDCLOW;

VCANH= -3 V..18 V

-115

115

E.029

IOCANL,dom (18

CANL output current in

dominant state

VTXDC =

VTXDCLOW;

VCANL = -3 V..18

-115

115

E.030

IOCANL,dom (40

CANL output current in

dominant state

VTXDC =

VTXDCLOW;

VCANL = 40 V;

VSREG = 40 V

115

E.032

1. VSREG at device pin after reverse battery protection, while application is supplied with 6V. Operating condition has to be

adapted, if higher voltage drop occur in the application.

2. Put into the datasheet, if it is an internal voltage. If it is an external pin, it should be supplied externally.

3. Measurement equipment input load <20 pF, >1 MΩ, guaranteed by E.025, E.026, E.029, E.030, E.053, E.054

measurements.

Table 44. CAN transmitter recessive output characteristics, CAN normal mode

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Item

VCANHrec

CANH voltage level

in recessive state

(normal mode)

VTXDC = VTXDCHIGH;

no load

2.5

E.033

VCANLrec

CANL voltage level

in recessive state

(normal mode)

VTXDC = VTXDCHIGH;

no load

2.5

E.034

VDIFF,recOUT

Differential output

voltage in recessive

state (normal mode):

VTXDC = VTXDCHIGH;

no load

-50

E.035

SPSB081

CAN FD transceiver

DS14048 - Rev 1

page 67/135

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