SPSB081 datasheet(65/135 Pages) STMICROELECTRONICS

65 / 135 page

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Item

VCANSUPlow

CAN supply low

voltage flag

VV1 = VCANSUP

decreasing or

VV2 = VCANSUP

decreasing or

External supply =

VCANSUP decreasing

4.1

4.3

4.5

E.031

VCANHL, CM

Common mode Bus

voltage (VCANH +

VCANL) / 2

Measured with respect to

the ground of each CAN

transceiver

-12

E.113

ITRCV

Transceiver current

consumption during

normal mode

Active mode:

RL=50 Ω … 65 Ω;

70% VRXDC (rising) - 30

% VRXDC (falling);

CRXD=15pF;

TXD rise and fall time =

10 ns (10% - 90%, 90% -

10%);

Test signal to be applied

on the TXD input of

the implementation is a

square wave signal with a

positive duty cycle of 1/6

and a period of six times

the nominal recessive bit

width

Rectangular pulse signal

TTXDC= 6*TBIT(2), high

pulse 1*TBIT, low pulse

5*TBIT

120

E.003

ITRCV_short

Transceiver current

consumption during

output short

RL=50 Ω…65 Ω;

VCANH=-3 V or VCANL=40

120

E.004

ITRCVLPbias

Transceiver current

consumption; biasing

active

RL=50 Ω … 65 Ω;

VTXDC=VTXDCHIGH;

400

600

µA

E.005

ITRCVLP

Transceiver current

consumption during

low-power mode;

biasing inactive

RL=50 Ω … 65 Ω;

VTXDC=VTXDCHIGH;

µA

E.006

Supported bitrates

Supported bitrates at

which all requirements are

fulfilled

Mb/s

E.007

1. VAt VSREG < VSREG_Tranmitter(min) the transceiver shall enter high impedance state .

2. The bit time TBIT is the nominal bit time at a given bit rate (TBIT = 1/BR). E.g.: At BR=2 Mb/s => TBIT = 500 ns

Table 41. CAN transmit data input: Pin TxDC

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Item

VTXDCLOW

Input voltage

dominant level

Active mode

1.0

1.45

2.0

E.008

VTXDCHIGH

Input voltage

recessive level

Active mode

1.2

1.85

2.3

E.009

VTXDCHYS

VTXDCHIGH-VTXDCLOW Active mode

0.2

0.7

E.010

SPSB081

CAN FD transceiver

DS14048 - Rev 1

page 65/135

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