HCPL-257K-100 Ver la hoja de datos (PDF) - HP => Agilent Technologies

Número de pieza

componentes Descripción

Fabricante

HCPL-257K-100

Hermetically Sealed, Transistor Output Optocouplers for Analog and Digital Applications

HP => Agilent Technologies 

IF

B

RM

A

D.U.T.

VCC

+5 V

RL

VO

VFF

GND

SINGLE CHANNEL OR

COMMON VCC DEVICES

VCM

+

–

PULSE GEN.

NOTE: BASE LEAD NOT CONNECTED.

Figure 10. Test Circuit for Transient Immunity and Typical Waveforms.

5V

VCC

220 Ω

TTL

D.U.T.

RL

VCC

GND

EACH CHANNEL

LOGIC GATE

0.01 µF

Figure 11. Recommended Logic Interface.

Logic Family

LSTTL

CMOS

Device No.

54LS14 CD40106BM

VCC

5V

5 V 15 V

RL 5% Tolerance 18 kΩ* 8.2 kΩ 22 kΩ

*The equivalent output load resistance is affected by the

LSTTL input current and is approximately 8.2 kΩ.

This is a worst case design which takes into account 25%

degradation of CTR. See App. Note 1002 to assess actual

degradation and lifetime.

(EACH INPUT)

+–

VIN

D.U.T.*

VCC

VO

GND

VCC

VOC

0.1 µF

(EACH OUTPUT)

NOMINAL CONDITIONS

PER CHANNEL: IF = 20 mA

IO = 4 mA

ICC = 30 µA

NOTE: BASE LEAD NOT CONNECTED.

TA = +125 °C

Figure 12. Operating Circuit for Burn-In and Steady State

Life Tests. All Channels Tested Simultaneously.

1-569

Share Link: