FOD0708(2006_01) Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

FOD0708
(Rev.:2006_01)

Single/Dual Channel CMOS Optocoupler

Fairchild Semiconductor 

Pulse Gen.

tf = tr = 5 ns

ZO = 50 Ω

1

IF

2

Input

Monitor

3

Node

RIN 4

Vcc

Pulse Gen.

ZO = 50 Ω

tf = tr = 5 ns

IF

8

Input

7

0.1µF

Monitoring

Output

Node

6

Monitoring

Node

RIN

5

Test Circuit for FOD0708

IF = 12mA

Vcc

Input

50%

1

8

t PHL

Output

2

7

Monitoring

Node

tPLH

3

6

0.1µF

Bypass

90%

90%

4

5

Output

10%

tf

10%

2.5V CMOS

VOL

tr

Test Circuit for FOD0738

Waveforms

Fig. 10 Test Circuit and Waveforms for tPLH, tPHL, tr and tf.

1

IF

A

2

B

VFF

3

VCC

8

7 0.1µF

bypass

6

4

5

GND

VCM

Pulse Gen

Test Circuit for FOD0708

VCM

0V

+5V

Output

(VO)

IF

B

A

VFF

Peak

Dual Channel

1

8

2

7

3

6

4

5

VCM

+–

Pulse

Generator

ZO = 50Ω

Test Circuit for FOD0738

+5V

0.1µF

Bypass

Output VO

Monitoring

Node

VOH

Switching Pos. (A), IF= 0

VO

VO (Min)

CM H

VO (Max)

VO

Switching Pos. (B), IF = 12 mA

VOL

CM L

Fig. 11 Test Circuit Common Mode Transient Immunity

(FOD0708 and FOD0738)

7

FOD0708/FOD0738 Rev. 1.0.6

www.fairchildsemi.com

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