HCPL-4701/-4731/-070A/-073A
Very Low Power Consumption High Gain Optocouplers
Data Sheet
Features
• Ultra low input current capability - 40
µA
• Specified for 3 V operation
Typical power consumption: <1 mW
Input power: <50
µW
Output power: <500
µW
• Will operate with V
CC
as low as 1.6 V
• High current transfer ratio: 3500% at I
F
= 40
µA
• TTL and CMOS compatible output
• Specified ac and dc performance over temperature:
0°C to 70°C
• Safety approval:
UL recognized – 3750 V rms for 1 minute and
5000 V rms* for 1 minute per UL1577
CSA approved
IEC/EN/DIN EN 60747-5-2 approved with
V
IORM
= 630 V
peak
(Option 060) for HCPL-4701
• 8-pin product compatible with 6N138/6N139 and
HCPL-2730/HCPL-2731
• Available in 8-Pin DIP and SOIC-8 footprint
• Through hole and surface mount assembly available
Applications
• Battery operated applications
• ISDN telephone interface
• Ground isolation between logic families – TTL, LSTTL,
CMOS, HCMOS, HL-CMOS, LV-HCMOS
• Low input current line receiver
• EIA RS-232C line receiver
• Telephone ring detector
• AC line voltage status indicator – low input power
dissipation
• Low power systems – ground isolation
• Portable system I/O interface
Functional Diagram
HCPL-4701/070A
NC 1
ANODE 2
CATHODE 3
NC 4
8 V
CC
7 V
B
6 V
O
5 GND
ANODE
1
1
CATHODE
1
2
CATHODE
2
3
ANODE
2
4
HCPL-4731/073A
8 V
CC
7 V
O1
6 V
O2
5 GND
TRUTH TABLE
LED
V
O
LOW
ON
HIGH
OFF
*5000 V rms/1 Minute rating is for Option 020 (HCPL-4701 and HCPL-4731) products only.
A 0.1
µF
bypass capacitor connected between pins 8 and 5 is recommended.
CAUTION: 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.
Description
These devices are very low power consumption, high
gain single and dual channel optocouplers. The
HCPL-4701 represents the single channel 8-Pin DIP
configuration and is pin compatible with the industry
standard 6N139. The HCPL-4731 represents the dual
channel 8-Pin DIP configuration and is pin
compatible with the popular standard HCPL-2731.
The HCPL-070A and HCPL-073A are the equivalent
single and dual channel products in an SO-8 footprint.
Each channel can be driven with an input current as
low as 40
µA
and has a typical current transfer ratio of
3500%.
These high gain couplers use an AlGaAs LED and an
integrated high gain photodetector to provide an
extremely high current transfer ratio between input
and output. Separate pins for the photodiode and
output stage results in TTL compatible saturation
voltages and high speed operation. Where desired, the
V
CC
and V
O
terminals may be tied together to achieve
conventional Darlington operation (single channel
package only).
These devices are designed for use in CMOS, LSTTL
or other low power applications. They are especially
well suited for ISDN telephone interface and battery
operated applications due to the low power
consumption. A 700% minimum current transfer ratio
is guaranteed from 0°C to 70°C operating temperature
range at 40
µA
of LED current and V
CC
≥
3 V.
The SO-8 does not require “through holes” in a PCB.
This package occupies approximately one-third the
footprint area of the standard dual-in-line package.
The lead profile is designed to be compatible with
standard surface mount processes.
Selection Guide
8-Pin DIP
(300 Mil)
Dual
Single
Channel
Channel
Package
Package
HCPL-
6N139
[1]
6N138
[1]
HCPL-4701
2731
[1]
2730
[1]
4731
Widebody
Package
(400 mil)
Single
Channel
Package
HCNW139
[1]
HCNW138
[1]
Minimum
Input ON
Current
(I
F
)
0.5 mA
1.6 mA
40
µA
0.5 mA
Absolute
Maxi-
mum
V
CC
18 V
7V
18 V
20 V
5701
[1]
5700
[1]
5731
[1]
5730
[1]
Hermetic
Single and
Dual
Channel
Packages
HCPL-
Small Outline SO-8
Single
Dual
Channel
Channel
Package
Package
HCPL-
HCPL-
0701
[1]
0700
[1]
070A
0731
[1]
0730
[1]
0730A
Minimum
CTR
400%
300%
800%
300%
Notes:
1. Technical data are on separate Avago publication.
2
Ordering Information
HCPL-4701, HCPL-4731, HCPL-070A and HCPL-073A are UL Recognized with 3750 Vrms for 1 minute per
UL1577 and are approved under CSA Component Acceptance Notice #5, File CA 88324.
Option
RoHS
non RoHS
Compliant Compliant
-000E
no option
-300E
-300
-500E
-500
-020E
-020
-320E
-320
-520E
-520
-060E
-060
-360E
-360
-560E
-560
-000E
no option
-500E
-500
-060E
-060
-560E
-560
Part
Number
Package
300 mil DIP-8
Surface
Mount
X
X
X
X
X
X
Gull
Wing
X
X
X
X
X
X
X
X
Tape
& Reel
UL 5000 Vrms/
1 Minute rating
X
X
X
X
HCPL-4701
HCPL-4731
X
X
X
X
SO-8
X
X
HCPL-070A
HCPL-073A
IEC/EN/DIN
EN 60747-5-2 Quantity
50 per tube
50 per tube
1000 per reel
50 per tube
50 per tube
1000 per reel
X
50 per tube
X
50 per tube
X
1000 per reel
100 per tube
1500 per reel
X
100 per tube
X
1500 per reel
To order, choose a part number from the part number column and combine with the desired option from
the option column to form an order entry.
Example 1:
HCPL-4701-560E to order product of 300 mil DIP Gull Wing Surface Mount package in Tape and Reel
packaging with IEC/EN/DIN EN 60747-5-2 Safety Approval and RoHS compliant.
Example 2:
HCPL-070A to order product of Surface Mount Small Outline SO-8 package and non RoHS compliant.
Option datasheets are available. Contact your Avago sales representative or authorized distributor for
information.
Remarks: The notation ‘#XXX’ is used for existing products, while (new) products launched since July
15, 2001 and RoHS compliant will use ‘–XXXE.’
3
Schematic
HCPL-4701 and HCPL-070A
HCPL-4731 and HCPL-073A
V
CC
8
I
CC
2
ANODE
+
V
F
CATHODE
–
3
I
O
6
I
F
1
+
V
F1
I
F1
I
CC
8
V
CC
–
2
I
O1
V
O1
7
V
O
3
I
B
V
B
7
5
GND
–
V
F2
I
O2
6
V
O2
SHIELD
+
4
I
F2
GND
5
SHIELD
USE OF A 0.1 µF BYPASS CAPACITOR CONNECTED
BETWEEN PINS 5 AND 8 IS RECOMMENDED (SEE NOTE 8)
4
Package Outline Drawings
8-Pin DIP Package (HCPL-4701, HCPL-4731)
9.65 ± 0.25
(0.380 ± 0.010)
TYPE NUMBER
8
7
6
5
OPTION CODE*
A XXXXZ
YYWW
1
1.19 (0.047) MAX.
2
3
4
1.78 (0.070) MAX.
+ 0.076
0.254 - 0.051
+ 0.003)
(0.010 - 0.002)
DATE CODE
7.62 ± 0.25
(0.300 ± 0.010)
6.35 ± 0.25
(0.250 ± 0.010)
5° TYP.
3.56 ± 0.13
(0.140 ± 0.005)
4.70 (0.185) MAX.
0.51 (0.020) MIN.
2.92 (0.115) MIN.
DIMENSIONS IN MILLIMETERS AND (INCHES).
1.080 ± 0.320
(0.043 ± 0.013)
0.65 (0.025) MAX.
2.54 ± 0.25
(0.100 ± 0.010)
*MARKING CODE LETTER FOR OPTION NUMBERS
"L" = OPTION 020
"V" = OPTION 060
OPTION NUMBERS 300 AND 500 NOT MARKED.
NOTE: FLOATING LEAD PROTRUSION IS 0.25 mm (10 mils) MAX.
8-Pin DIP Package with Gull Wing Surface Mount Option 300 (HCPL-4701, HCPL-4731)
LAND PATTERN RECOMMENDATION
9.65 ± 0.25
(0.380 ± 0.010)
8
7
6
5
1.016 (0.040)
6.350 ± 0.25
(0.250 ± 0.010)
10.9 (0.430)
1
2
3
4
1.27 (0.050)
2.0 (0.080)
1.19
(0.047)
MAX.
1.780
(0.070)
MAX.
9.65 ± 0.25
(0.380 ± 0.010)
7.62 ± 0.25
(0.300 ± 0.010)
+ 0.076
0.254 - 0.051
+ 0.003)
(0.010 - 0.002)
3.56 ± 0.13
(0.140 ± 0.005)
1.080 ± 0.320
(0.043 ± 0.013)
0.635 ± 0.130
2.54
(0.025 ± 0.005)
(0.100)
BSC
DIMENSIONS IN MILLIMETERS (INCHES).
LEAD COPLANARITY = 0.10 mm (0.004 INCHES).
0.635 ± 0.25
(0.025 ± 0.010)
12° NOM.
NOTE: FLOATING LEAD PROTRUSION IS 0.25 mm (10 mils) MAX.
5
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