CANH

CANL

R

100 W

D at 0 V

Pulse Generator

15 ms Duration

1% Duty Cycle

D

R

Rs

CANH

CANL

DUT

+

_

0 V

60 W + 1%

0 V

15 pF + 20%

SN55HVD251

SN65HVD251

SLLS545E – NOVEMBER 2002 – REVISED MARCH 2010

www.ti.com

A.

This test is conducted to test survivability only. Data stability at the R output is not specified.

Figure 7. Test Circuit, Transient Overvoltage Test

Table 1. Receiver Characteristics Over Common Mode Voltage

INPUT

DIFFERENTIAL INPUT

OUTPUT

R

12 V

11.1 V

900 mV

L

-6.1 V

-7 V

900 mV

L

-1 V

-7 V

6 V

L

12 V

6 V

6 V

L

-6.5 V

-7 V

500 mV

H

12 V

11.5 V

500 mV

H

-7 V

-1 V

6 V

H

6 V

12 V

6 V

H

open

open

X

H

8

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