MCP2551

DS21667F-page 10

© 2010 Microchip Technology Inc.

Bus Line (CANH; CANL) Receiver: [TXD = 2V; pins 6 and 7 externally driven]

D18

Dominant differential

input voltage

0.9

5.0

V

(Note 3)

1.0

5.0

V

(Note 3)

D19

Differential input hysteresis

100

200

mV

See Figure 2-3 (Note 1)

D20

CANH, CANL Common-

mode input resistance

550

kW

D21

Deviation between CANH

and CANL Common-mode

input resistance

-3

+3

%

Bus Line (CANH; CANL) Receiver: [TXD = 2V; pins 6 and 7 externally driven]

D22

Differential input resistance

20

100

kW

D24

CANH, CANL input leakage

current

—150

µA

Transmitter Data Input (TXD)

D25

High-level input voltage

2.0

V

Output Recessive

D26

Low-level input voltage

+0.8

V

Output Dominant

D27

High-level input current

-1

+1

µA

D28

Low-level input current

-100

-400

µA

Receiver Data Output (RXD)

D31

High-level output voltage

D

—V

D32

Low-level output voltage

—

0.8

V

D33

Reference output voltage

0.45 V

DD

D

D34

Input voltage for standby

mode

0.75 V

DD

—V

D35

Slope-control mode current

-10

-200

µA

D36

Slope-control mode voltage

D

V

Thermal Shutdown

D37

Shutdown junction

temperature

155

180

Note 1

D38

Shutdown temperature

hysteresis

20

30

(Note 3)

2.2

DC Characteristics (Continued)

DC Specifications (Continued)

Electrical Characteristics:

Industrial (I):

Param

No.

Sym

Characteristic

Min

Max

Units

Conditions

Note 1:

This parameter is periodically sampled and not 100% tested.

2:

3:

This is valid for the receiver in all modes; High-speed, Slope-control and Standby.