TJA1051_10 datasheet(9/21 Pages) NXP

Part #	TJA1051

Description	High-speed CAN transceiver

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TJA1051

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Product data sheet

Rev. 5 — 29 December 2010

9 of 21

NXP Semiconductors

TJA1051

High-speed CAN transceiver

[1]

Only TJA1051T/3 and TJA1051TK/3 have a VIO pin. In transceivers without a VIO pin, the VIO input is internally connected to VCC.

[2]

All parameters are guaranteed over the virtual junction temperature range by design. Factory testing uses correlated test conditions to

cover the specified temperature and power supply voltage range.

[3]

Only TJA1051T/E has an EN pin.

[4]

Maximum value assumes VCC <VIO; if VCC >VIO, the maximum value will be VCC + 0.3 V.

[5]

Not tested in production; guaranteed by design.

[6]

Vcm(CAN) is the common mode voltage of CANH and CANL.

11. Dynamic characteristics

VO(dif)bus

bus differential output voltage

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

VCC = 4.75 V to 5.25 V

RL =45  to 65 

1.5

-

3

V

VTXD =VIO; recessive; no load

50

-

+50

mV

VO(rec)

recessive output voltage

Normal and Silent modes;

VTXD =VIO; no load

20.5VCC 3V

Vth(RX)dif

differential receiver threshold

voltage

Normal and Silent modes

Vcm(CAN)[6] = 30 V to +30 V

0.5

0.7

0.9

V

Vhys(RX)dif

differential receiver hysteresis

voltage

Normal and Silent modes

Vcm(CAN) = 30 V to +30 V

50

120

200

mV

IO(dom)

dominant output current

VTXD =0V; t<tto(dom)TXD; VCC =5 V

pin CANH; VCANH =0V

100

70

40

mA

pin CANL; VCANL = 5 V / 40 V

40

70

100

mA

IO(rec)

recessive output current

Normal and Silent modes; VTXD =VIO

VCANH =VCANL = 27 V to +32 V

5-

+5

mA

IL

leakage current

VCC =VIO =0V;

VCANH =VCANL =5 V

50

+5

A

Ri

input resistance

9

15

28

k



R

i

input resistance deviation

between VCANH and VCANL

10

+1

%

Ri(dif)

differential input resistance

19

30

52

k



Ci(cm)

common-mode input

capacitance

[5] --

20

pF

Ci(dif)

differential input capacitance

[5] --

10

pF

Temperature protection

Tj(sd)

shutdown junction

temperature

[5] -

190

-

C

Table 7.

Static characteristics …continued

Tvj = 40 C to +150 C; VCC = 4.5 V to 5.5 V; VIO = 2.8 V to 5.5 V[1]; RL =60  unless specified otherwise; All voltages are

defined with respect to ground; Positive currents flow into the IC[2].

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 8.

Dynamic characteristics

Tvj = 40 C to +150 C; VCC = 4.5 V to 5.5 V; VIO = 2.8 V to 5.5 V[1]; RL =60  unless specified otherwise. All voltages are

defined with respect to ground. Positive currents flow into the IC.[2]

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Transceiver timing; pins CANH, CANL, TXD and RXD; see Figure 3 and Figure 4

td(TXD-busdom)

delay time from TXD to bus dominant

Normal mode

-

65

-

ns

td(TXD-busrec)

delay time from TXD to bus recessive

Normal mode

-

90

-

ns

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