9

FN6085.9

April 22, 2008

Test Circuits and Waveforms

FIGURE 1. DC DRIVER TEST CIRCUITS

FIGURE 2A. TEST CIRCUIT

FIGURE 2B. MEASUREMENT POINTS

FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES

FIGURE 3A. TEST CIRCUIT

FIGURE 3B. MEASUREMENT POINTS

FIGURE 3. DRIVER ENABLE AND DISABLE TIMES (DOES NOT APPLY TO THE ISL83084E)

D

DE

DI

Z

Y

D

DE

DI

375

Ω

375

Ω

Z

Y

-7V TO +12V

D

DE

DI

SIGNAL

GENERATOR

Z

Y

OUT (Z)

3V

0V

1.5V

1.5V

OUT (Y)

DIFF OUT (Y - Z)

90%

90%

10%

10%

DI

D

DE

DI

Z

Y

GND

SW

PARAMETER OUTPUT

RE

DI

SW

Y/Z

X

1/0

GND

15

Y/Z

X

0/1

15

Y/Z

0 (Note 8)

1/0

GND

100

Y/Z

0 (Note 8)

0/1

100

Y/Z

1 (Note 11)

1/0

GND

100

Y/Z

1 (Note 11)

0/1

100

SIGNAL

GENERATOR

500

Ω

OUT (Y, Z)

3V

0V

1.5V

1.5V

0V

OUT (Y, Z)

DE

OUTPUT HIGH

OUTPUT LOW

NOTE 10

2.3V

2.3V

NOTES 8, 11

NOTES 8, 11

ISL83080E, ISL83082E, ISL83083E, ISL83084E, ISL83085E, ISL83086E, ISL83088E