Fairchild HCPL-3700 manual Symbol Parameter Test Conditions Min Typ Max Unit

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Electrical Characteristics (TA = 0°C to 70°C Unless otherwise specified)

Symbol

Parameter

 

 

 

Test Conditions

Min.

Typ.

Max.

Unit

 

 

 

 

 

 

 

ITH+

Input Threshold Current

VIN = VTH+, VCC = 4.5 V

1.96

2.4

3.11

mA

I

TH-

 

 

V

 

= 0.4 V, I 4.2mA(5)

1.00

1.2

1.62

mA

 

 

 

O

 

 

 

O

 

 

 

 

VTH+

Input Threshold

DC

VIN = V2 – V3 (Pins 1 & 4 Open)

3.35

3.8

4.05

V

 

 

Voltage

(Pins 2,3)

VCC = 4.5 V, VO = 0.4V(5)

 

 

 

 

 

 

 

 

IO

4.2mA

 

 

 

 

 

VTH-

 

 

VIN = V2 - V3 (Pins 1 & 4 Open)

2.01

2.5

2.86

V

 

 

 

 

VCC = 4.5 V, VO = 2.4 V(5)

 

 

 

 

 

 

 

 

IO

100µA

 

 

 

 

 

VTH+

 

AC

VIN = V1 – V4 (Pins 2 & 3 Open)

4.23

5.0

5.50

V

 

 

 

(Pins 1,4)

VCC = 4.5 V, VO = 0.4 V(5)

 

 

 

 

 

 

 

 

IO

4.2 mA

 

 

 

 

VTH-

 

 

VIN = V1 - V4 (Pins 2 & 3 Open)

2.87

3.7

4.20

V

 

 

 

 

VCC = 4.5 V, VO = 2.4 V(5)

 

 

 

 

 

 

 

 

IO

100µA

 

 

 

 

 

IHYS

Hysteresis

 

IHYS = ITH+ – ITH-

 

1.2

 

mA

VHYS

 

 

VHYS = VTH+ – VTH-

 

1.3

 

V

VIHC1

Input Clamp Voltage

VIHC1 = V2 - V3, V3 = GND

5.4

6.3

6.6

V

 

 

 

 

IIN = 10 mA,

 

 

 

 

 

 

 

 

Pins 1 & 4 connected to Pin 3

 

 

 

 

 

 

 

 

 

 

 

 

VIHC2

 

 

VIHC2 = V1 – V4, IIN = 10mA

6.1

7.0

7.3

V

 

 

 

 

(Pins 2 & 3 Open)

 

 

 

 

 

 

 

 

 

 

 

 

VIHC3

 

 

VIHC3 = V2 – V3, V3 = GND,

 

12.5

13.4

V

 

 

 

 

IIN = 15mA (Pins 1 & 4 Open)

 

 

 

 

VILC

 

 

VILC = V2 – V3, V3 = GND,

 

-0.75

 

V

 

 

 

 

IIN = -10mA

 

 

 

 

IIN

Input Current

 

VIN = V2 – V3 = 5.0V

3.0

3.7

4.4

mA

 

 

 

 

(Pins 1 & 4 Open)

 

 

 

 

 

 

 

 

 

 

 

 

 

VD1,2

Bridge Diode

 

IIN = 3mA

 

 

0.65

 

V

 

 

Forward Voltage

 

 

 

 

 

 

 

 

 

 

 

VD3,4

 

IIN = 3mA

 

 

0.65

 

V

 

 

 

 

 

VOL

Logic LOW Output Voltage

VCC = 4.5 V, IOL = 4.2mA(5)

 

0.04

0.4

V

I

OH

Logic HIGH Output Current

V

 

 

= V

CC

= 18V(5)

 

 

100

µA

 

 

 

OH

 

 

 

 

 

 

ICCL

Logic LOW Supply Current

V2 – V3 = 5.0V, VO = Open,

 

1.0

4

mA

 

 

 

 

VCC = 5V

 

 

 

 

 

ICCH

Logic HIGH Supply Current

VCC = 18V, VO = Open

 

0.01

4

µA

CIN

Input Capacitance

 

f = 1MHz, VIN = 0V

 

50

 

pF

 

 

 

 

(Pins 2 & 3, Pins 1 & 4 Open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

5.Logic LOW output level at pin 6 occurs when VIN VTH+ and when VIN > VTH- once VIN exceeds VTH+.

Logic HIGH output level at pin 6 occurs when VIN VTH- and when VIN < VTH+ once VIN decreases below VTH-.

HCPL-3700 AC/DC to Logic Interface Optocoupler

©2005 Fairchild Semiconductor Corporation

www.fairchildsemi.com

HCPL-3700 Rev. 1.0.1

3

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