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| HCPL-553X Datasheet, PDF (12/14 Pages) Agilent(Hewlett-Packard) – Hermetically Sealed, Transistor Output Optocouplers for Analog and Digital Applications | |||
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IF
B
RM
A
D.U.T.
VCC
+5 V
RL
VO
V FF
GND
SINGLE CHANNEL OR
COMMON VCC DEVICES
V CM
+-
PULSE GEN.
NOTE: BASE LEAD NOT CONNECTED.
Figure 10. Test Circuit for Transient Immunity and Typical Waveforms.
5V
V CC
220 â¦
TTL
D.U.T.
RL
V CC
GND
EACH CHANNEL
LOGIC GATE
0.01 µF
Figure 11. Recommended Logic Interface.
Logic Family
LSTTL
CMOS
Device No.
54LS14
CD40106BM
VCC
RL 5% Tolerance
5V
18 k⦠*
5V
8.2 kâ¦
15 V
22 kâ¦
*The equivalent output load resistance is affected by the LSTTL input current and is
approximately 8.2 kâ¦. 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)
D.U.T.*
VCC
+-
VIN
VO
GND
NOMINAL CONDITIONS
PER CHANNEL: IF = 20 mA
IO = 4 mA
ICC = 30 µA
NOTE: BASE LEAD NOT CONNECTED.
T A = +125 ËC
Figure 12. Operating Circuit for Burn-In and
Steady State Life Tests. All Channels Tested
Simultaneously.
VCC
VOC
0.1 µF
(EACH OUTPUT)
12
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