NC

ANODE

CATHODE

NC

VCC

VB

VO

GND

HCPL-4701/070A

VO2

VO1

VCC

GND

ANODE 1

CATHODE 1

CATHODE 2

ANODE 2

7

5

6

8

2

3

4

1

TRUTH TABLE

LED

ON

OFF

VO

LOW

HIGH

7

5

6

8

2

3

4

1

HCPL-4731/073A

Very Low Power Consumption

High Gain Optocouplers

Technical Data

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

Features

• Ultra Low Input Current

Capability - 40

• Specified for 3 V Operation

Typical Power Consumption:

<1 mW

Input Power: <50

µW

Output Power: <500

µW

Low as 1.6 V

• High Current Transfer

• TTL and CMOS Compatible

Output

• Specified AC and DC

Performance over

Temperature: 0

• Safety Approval

UL Recognized - 2500 V rms

for 1 Minute and

5000 V rms* for 1 minute per

UL1577

CSA Approved

VDE 0884 Approved with

(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

• 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

HCPL-4701

HCPL-4731

HCPL-070A

HCPL-073A

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.

Functional Diagram

*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.