CMOS/TTL Compatible, Low
Input Current, High Speed,
High CMR Optocoupler
Technical Data
HCPL-7601
HCPL-7611
Features
• Low Input Current Version
of HCPL-2601/11 and 6N137
• Wide Input Current Range:
I
F
= 2 mA to 10 mA
• CMOS/TTL Compatible
• Guaranteed Switching
Threshold: I
F
= 2 mA (max.)
• Internal Shield for High
Common Mode Rejection
(CMR)
HCPL-7601: 5,000 V/µs
(Typical) at V
CM
= 50 V,
I
F
= 4 mA
HCPL-7611: 15,000 V/µs
(Typical) at V
CM
= 1000 V,
I
F
= 4 mA
• High Speed: 10 Mbd
Typical
• Guaranteed ac and dc
Performance over
Temperature: -40
°
C to 85
°
C
• IEC/EN/DIN EN 60747-5-2
Approval: V
IORM
= 600 V
RMS
• UL Recognized: 3750 V
RMS
,
1 minute
• CSA Accepted
• Low Supply Current
Requirement
• Low T
PSK
: 40 ns
Guaranteed
• Lead-Free Option “-000E”
Applications
• Isolated Line Receiver
• Simplex/Multiplex Data
Transmission
• Programmable Logic
Controllers
• Computer-Peripheral
Interface
• Microprocessor System
Interface
• Digital Isolation for A/D,
D/A Conversion
• Switching Power Supply
• Instrument Input/Output
Isolation
• Ground Loop Elimination
• Pulse Transformer
Replacement
Schematic
I
F
2+
I
O
6
I
CC
8
V
CC
V
O
V
F
3-
HCPL-7601/11 SHIELD
USE OF A 0.1 µF BYPASS CAPACITOR
CONNECTED BETWEEN PINS 5 AND 8
IS REQUIRED (SEE NOTE 1).
TRUTH TABLE
(POSITIVE LOGIC)
OUTPUT
LED
L
ON
H
OFF
5
GND
CAUTION: The small device geometries inherent to the design of this bipolar component increase the component’s
susceptibility to damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken
in handling and assembly of this component to prevent damage and/or degradation which may be induced by
ESD.
2
Description
The HCPL-7601/11 is a low
input current version of the
HCPL-2601/11 and 6N137
(without enable). The optically
coupled gates combine an
AlGaAs high-efficiency light
emitting diode and an integrated
high gain photon detector to
create a low input current device
for low power applications. The
output of the detector IC is an
open collector Schottky-clamped
transistor. The internal shield
provides a guaranteed common
mode transient immunity
specification of 10,000 V/µs
(HCPL-7611).
This unique design provides
maximum ac and dc circuit
isolation while achieving CMOS
and TTL compatibility. The
optocoupler ac and dc
operational parameters are
guaranteed from -40°C to 85°C
with no derating required
allowing trouble free system
performance. This product is
suitable for high speed logic
interfacing, input/output
buffering, and applications that
require low input-current
switching levels.
The HCPL-7601/11 family offers
many features that are
especially beneficial to system
designers. The low input
current requirements and
guaranteed switching threshold
(2 mA max.) allows the LED to
be driven directly by any
standard high-speed CMOS
gate (e.g. 74HC/HCT). This will
simplify designs by eliminating
the need for special driver
circuits and result in lower part
counts and greater system
reliability while freeing up
valuable printed circuit board
space.
The wide current input range of
2 mA to 10 mA and guaranteed
ac and dc performance over a
wide temperature range will
also simplify designs. Low
supply current requirements
mean lower power dissipation
allowing for the use of a
smaller, less expensive power
supply. The high speed (10 Mbd
typ.) and low propagation delay
skew (T
psk
≤
40 ns guaranteed)
allow for easier design of high
speed parallel applications. The
world-wide regulatory approval
(UL/CSA/IEC/EN/DIN EN
60747-5-2) will facilitate the
acceptance of the end product in
international markets.
Regulatory Information
The HCPL-7601 and HCPL-7611
have been approved by the
following organizations:
UL–Approved
under UL 1577,
component recognition FILE
E55361).
IEC/EN/DIN EN 60747-5-2
Approved under:
IEC 60747-5-2:1997 + A1:2002
EN 60747-5-2:2001 + A1:2002
DIN EN 60747-5-2 (VDE 0884
Teil 2):2003-01
This optocoupler is suitable for
“safe electrical isolation” only
within the safety limit data.
Maintenance of the safety data
shall be ensured by means of
protective circuits.
Can be used for safe electrical
separation between ac mains
and SELV (safety extra-low
voltage) in equipment according
to the following specifications:
DIN VDE 0804/05.89
DIN VDE 0160/05.88
Reference voltage (VDE 011b
Tab 4): 630 Vac.
CSA–Approved
under CSA22.2
No. 0 - General Requirements,
Canadian Electrical Code, Part
II; and CSA Component
Acceptance Notice #5, File CA
88324.
3
Absolute Maximum Ratings
(No Derating Required up to 85°C)
Storage Temperature ................................................. -55°C to +125°C
Operating Temperature ............................................... -40°C to +85°C
Lead Solder Temperature .............................................. 260°C for 10 s
(1.6 mm below seating plane)
Average Input Current - I
F
(See Note 2.) .................................. 20 mA
Reverse Input Voltage - V
R
.............................................................. 3 V
Supply Voltage - V
CC
.................................... 7 V (1 Minute Maximum)
Output Collector Current - I
O
.................................................... 50 mA
Output Collector Power Dissipation ......................................... 85 mW
Output Collector Voltage - V
O
* ........................................................ 7 V
Total Package Power Dissipation ........................................... 250 mW
*Selection for higher output voltage up to 20 V is available.
Recommended Operating Conditions
Parameter
Input Voltage, Low Level
Input Current, High Level
Supply Voltage, Output
Fan Out @ R
L
= 1 kΩ
Operating Temperature
Output Pull-up Resistor
Symbol
V
FL
I
FH
V
CC
N
T
A
R
L
-40
330
Min.
0
2
4.5
Max.
0.8
10
5.5
5
85
4k
Units
V
mA
V
TTL
Loads
°C
Ω
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