TJR1441 datasheet(15/31 Pages) NXP

Part #	TJR1441

Description	High-speed CAN transceiver

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Manufacturer	NXP [NXP Semiconductors]

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NXP Semiconductors

TJR1441

High-speed CAN transceiver

TJR1441

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 1 — 7 September 2020

15 / 31

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

CAN transmit data input; pin TXD

VIH

HIGH-level input voltage

0.7VIO[3] -

-

V

VIL

LOW-level input voltage

-

0.3VIO[3] V

Vhys(TXD)

hysteresis voltage on pin

TXD

50

-

mV

Rpu

pull-up resistance

20

-

80

kΩ

Ci

input capacitance

[4] -

-

10

pF

CAN receive data output; pin RXD

IOH

HIGH-level output current

VRXD = VIO[3] - 0.4 V

-10

-

-1

mA

IOL

LOW-level output current

VRXD = 0.4 V

+1

-

+10

mA

Silent control inputs; pins S (TJR1441A/B), S_N (TJR1441D) and OFF (TJR1441D)

VIH

HIGH-level input voltage

0.7VIO[3] -

-

V

VIL

LOW-level input voltage

-

0.3VIO[3] V

Vhys

hysteresis voltage

50

-

mV

Rpu

pull-up resistance

20

-

80

kΩ

Ci

input capacitance

[4] -

-

10

pF

Bus lines; pins CANH and CANL

VTXD = 0 V; t < tto(dom)TXD; VCC ≥ 4.75 V

pin CANH; RL = 50 Ω to 65 Ω

2.75

3.5

4.5

V

VO(dom)

dominant output voltage

pin CANL; RL = 50 Ω to 65 Ω

0.5

1.5

2.25

V

VTXsym

transmitter voltage

symmetry

VTXsym = VCANH + VCANL;

CSPLIT = 4.7 nF;

fTXD = 250 kHz, 1 MHz or 2.5 MHz

[4]

[5]

0.9VCC -

1.1VCC V

Vcm(step)

common mode voltage step

[4]

[5]

[6]

-150

-

+150

mV

Vcm(p-p)

peak-to-peak common mode

voltage

[4]

[5]

[6]

-300

-

+300

mV

dominant; Normal mode; VTXD = 0 V;

t < tto(dom)TXD; VCC ≥ 4.75 V

RL = 50 Ω to 65 Ω

1.5

-

3

V

RL = 45 Ω to 70 Ω

1.4

-

3.3

V

RL = 2240 Ω

[4] 1.5

-

5

V

recessive; no load

VO(dif)

differential output voltage

Normal or Silent mode; VTXD = VIO[3]

-50

-

+50

mV

VO(rec)

recessive output voltage

Normal or Silent mode; VTXD = VIO[3]; no

load

2

2.5

3

V

Vth(RX)dif

differential receiver

threshold voltage

Normal or Silent mode;

-12 V ≤ VCANH ≤ +12 V;

-12 V ≤ VCANL ≤ +12 V

0.5

-

0.9

V

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