HCPL-060L Avago Technologies US Inc., HCPL-060L Datasheet - Page 19

OPTOCOUPLER 15MBD 3.3V 8-SOIC

HCPL-060L

Manufacturer Part Number
HCPL-060L
Description
OPTOCOUPLER 15MBD 3.3V 8-SOIC
Manufacturer
Avago Technologies US Inc.
Datasheet

Specifications of HCPL-060L

Voltage - Isolation
3750Vrms
Number Of Channels
1, Unidirectional
Current - Output / Channel
50mA
Data Rate
15MBd
Propagation Delay High - Low @ If
50ns @ 7.5mA
Current - Dc Forward (if)
20mA
Input Type
DC
Output Type
Open Collector
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
No. Of Channels
1
Isolation Voltage
3.75kV
Optocoupler Output Type
Logic Gate
Input Current
15mA
Output Voltage
7V
Opto Case Style
SOIC
No. Of Pins
8
Common Mode Voltage Vcm
1000V
Forward Voltage
1.5V
Number Of Elements
1
Baud Rate
15Mbps
Forward Current
20mA
Output Current
50mA
Package Type
SOIC
Operating Temp Range
-40C to 85C
Power Dissipation
85mW
Propagation Delay Time
90ns
Pin Count
8
Mounting
Surface Mount
Reverse Breakdown Voltage
5V
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant
Other names
516-1100-5

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Figure 13. Recommended drive circuit for High-CMR.
19
Application Information
Common-Mode Rejection for HCPL-260L Families:
Figure 13 shows the recom mended drive circuit for op-
timal common-mode rejection performance. Two main
points to note are:
1. The enable pin is tied to V
2. Two LED-current setting resistors are used instead of
If the enable pin is left floating, it is possible for common-
mode transients to couple to the enable pin, resulting in
common-mode failure. This failure mechanism only oc-
curs when the LED is on and the output is in the Low
State. It is identified as occurring when the transient out-
put voltage rises above 0.8 V. Therefore, the enable pin
should be connected to either V
best common-mode performance with the output low
(CMR
channel parts which have the enable function.
OR ANY TOTEM-POLE
Figure 14. AC equivalent circuit.
OUTPUT LOGIC GATE
1/2 R
1/2 R
applies to single-channel parts only).
one. This is to balance I
mode transients.
L
LED
LED
*
). This failure mechanism is only present in single-
HIGHER CMR MAY BE OBTAINABLE BY CONNECTING PINS 1, 4 TO INPUT GROUND (GND1).
V CC
1
2
3
4
74LS04
I
LN
SHIELD
GND1
+
I
C
LP
V
LC
CM
C
220 Ω
220 Ω
LA
LED
CC
variation during common-
rather than floating (this
CC
*
*
1
2
3
4
8
7
6
5
or logic-level high for
SHIELD
HCPL-260L
0.01 μF
15 pF
350 Ω
8
7
6
5
V
V
GND
CC
O
Also, common-mode transients can capacitively cou-
ple from the LED anode (or cathode) to the output-side
ground causing current to be shunted away from the
LED (which can be bad if the LED is on) or conversely
cause current to be injected into the LED (bad if the LED
is meant to be off ). Figure 14 shows the parasitic capaci-
tances which exists between LED anode/cathode and
output ground (C
the input side is an AC-equivalent circuit.
For transients occurring when the LED is on, common-
mode rejec tion (CMR
state) depends upon the amount of LED current drive
(I
threshold (I
I
tion where common-mode transients cause a momen-
tary decrease in I
transients which are fast enough.
+
LP
F
). For conditions where I
and I
0.01 μF
LN
GND2
balance each other. In other words, any condi-
350 Ω
TH
), CMR
V O
GND
V CC+
LA
F
will cause common-mode failure for
and C
L
also depends on the extent which
L
, since the output is in the “low”
LC
). Also shown in Figure 14 on
F
is close to the switching

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