PCA89C250

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© NXP B.V. 2011. All rights reserved.

Product data sheet

Rev. 06 — 25 August 2011

6 of 18

NXP Semiconductors

PCA82C250

CAN controller interface

[1]

I1 =I4 =I5 =0mA; 0V<V6 <VCC; 0 V < V7 <VCC; V8 =VCC.

VOL

LOW-level output voltage

pin 4; I4 = 1 mA

0

-

0.2VCC

V

I4 =10mA

0

-

1.5

V

Ri

input resistance

CANH, CANL

5

-

25

k



Rdiff

differential input resistance

20

-

100

k



Ci

input capacitance

CANH, CANL

-

-

20

pF

Cdiff

differential input capacitance

-

-

10

pF

Reference output

Vref

reference output voltage

V8 =1V; 50 A<I5 <50 A

0.45VCC -

0.55VCC

V

V8 =4V; 5 A<I5 <5 A0.4VCC

-0.6VCC

V

Timing (CL = 100 pF; see Figure 3, Figure 4, Figure 6 and Figure 7)

tbit

minimum bit time

Rext =0 

--

1

s

tonTXD

delay TXD to bus active

Rext =0 

-

-

50

ns

toffTXD

delay TXD to bus inactive

Rext =0 

-40

80

ns

tonRXD

delay TXD to receiver active

Rext =0 

-

55

120

ns

toffRXD

delay TXD to receiver inactive

Rext =0 ; VCC <5.1 V; Tamb <+85 C

-

82

150

ns

Rext =0 ; VCC <5.1 V; Tamb <+125 C

-

82

170

ns

Rext =0 ; VCC <5.5 V; Tamb <+85 C

-

90

170

ns

Rext =0 ; VCC <5.5 V; Tamb <+125 C

-

90

190

ns

tonRXD

delay TXD to receiver active

Rext =47k

-

390

520

ns

Rext =24k

-

260

320

ns

toffRXD

delay TXD to receiver inactive

Rext =47k

-

260

450

ns

Rext =24k

-

210

320

ns

SR

differential output voltage

slew rate

Rext =47k

-14

-

V/

s

tWAKE

wake-up time from Standby

via pin 8

-

-

20

s

tdRXDL

bus dominant to RXD LOW

V8 = 4 V; Standby mode

-

-

3

s

Standby/Slope Control (pin 8)

V8

input voltage for high-speed

-

-

0.3VCC

V

I8

input current for high-speed

V8 =0V

-

-

500

A

Vstb

input voltage for Standby mode

0.75VCC --

V

Islope

slope control mode current

10

-

200

A

Vslope

slope control mode voltage

0.4VCC

-0.6VCC

V

Table 8.

Characteristics …continued

VCC = 4.5 to 5.5 V; Tamb = 40 to +125 C; RL =60 ; I8 > 10 A; unless otherwise specified; all voltages referenced to

ground (pin 2); positive input current; all parameters are guaranteed over the ambient temperature range by design, but only

100 % tested at +25

C.

Symbol Parameter

Conditions

Min

Typ

Max

Unit