HCPL-520X Datasheet, PDF(10/12 Page) Agilent(Hewlett-Packard) – Hermetically Sealed, Low IF, Wide VCC, Logic Gate Optocouplers

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HCPL-520X Datasheet, PDF (10/12 Pages) Agilent(Hewlett-Packard) – Hermetically Sealed, Low IF, Wide VCC, Logic Gate Optocouplers

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PULSE

GENERATOR

ZO = 50 â¦

tr = tf = 5 ns

CL= 15 pF INCLUDING PROBE

AND JIG CAPACITANCE.

VCC

D.U.T.

VCC

GND

INPUT VO

MONITORING

NODE

+5 V

619 â¦

5 Kâ¦

Figure 8. Test Circuit for tPHZ, tPZH, tPLZ, and tPZL.

D1-4 ARE 1N916 OR 1N3064

RIN

VFF

D.U.T.

VCC

OUTPUT VO

MONITORING

NODE

GND

0.1 ÂµF

BYPASS

VCM

PULSE GEN.

*SEE NOTE 6.

Figure 9. Test Circuit for Common Mode Transient Immunity and Typical Waveforms.

VCC1

(+5 V)

DATA

INPUT

TTL OR

LSTTL

TOTEM

POLE

OUTPUT

GATE 1

665 â¦

D.U.T.

VCC

GND

VCC2

(4.5 TO 20 V)

DATA

OUTPUT

CMOS

VCC2 RL

5 V 1.1 K

10 V 2.37 K

15 V 3.83 K

20 V 5.11 K

VCC1

(+5 V)

DATA

INPUT

TTL OR

LSTTL

TOTEM

POLE

OUTPUT

GATE

750 â¦

D.U.T.

VCC

GND

Figure 10. LSTTL to CMOS Interface Circuit.

Figure 11. Recommended LED Drive Circuit.

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