IL255 datasheet(1/2 Pages) SIEMENS

Part #	IL255

Description	BIDIRECTIONAL INPUT OPTOCOUPLER

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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SINGLE CHANNEL

IL255

BIDIRECTIONAL INPUT

OPTOCOUPLER

Electrical Characteristics (TA=25°C)

JUNE 1995

Parameter

Min.

Typ.

Max.

Unit

Test Condition

Emitter

Forward Voltage

1.4

1.7

V

IF=±100 mA

Detector

BVCEO

30

50

V

IC=10 mA

BVECO

710

V

IE=10 µA

BVCBO

70

V

IC=100 µA

BVEBO

7V

IE=100 µA

ICEO

550

nA

VCE=10 V

Package

Parameter

Device

Symbol

Min.

Typ.

Max.

Unit

Test

Condition

Current

Transfer

Ratio

IL255

CTR

20

%

IF=±10 mA,

VCE=10 V

IL255-1

20

80

%

IF=±100 mA,

VCE=2 V

IL255-2

50

%

IF=±10 mA,

VCE=10 V

Current

Transfer

Ratio

Symmetry

IL255

0.33

3.0

IF=±10 mA,

VCE=10 V

IL255-1

IL255-2

0.5

1.0

2.0

IF=±10 mA,

VCE=10 V

Collector-

emitter

Saturation

Voltage

IL255

VCE(sat)

0.4

V

IF=±10 mA,

IC=0.5 mA

IL255-1

0.1

0.2

V

IF=±100 mA,

IC=1 mA

IL255-2

0.4

V

IF=±16 mA,

IC=2 mA

Package Dimensions in Inches (mm)

.010 (.25)

.014 (.35)

.110 (2.79)

.150 (3.81)

.130 (3.30)

.150 (3.81)

.020 (.051) min.

.300 (7.62)

typ.

.031 (0.80)

.035 (0.90)

.039

(1.00)

min.

.018 (0.45)

.022 (0.55)

.335 (8.50)

.343 (8.70)

Pin One ID.

6

5

4

1

2

3

18

° typ.

.300 (7.62)

.347 (8.82)

4

°

typ.

.100 (2.54) Typ.

.248 (6.30)

.256 (6.50)

1

2

3

6

5

4

Base

Collector

Emitter

Anode/

Cathode

Cathode/

Anode

NC

FEATURES

•

AC or Polarity Insensitive Inputs

•

Continuous Forward Current, 130 mA

•

Applications—Telecommunications

– Ring Detection

– Loop Current Detector

•

Built-in Reverse Polarity Input Protection

•

Improved CTR Symmetry

•

Industry Standard DIP Package

•

Underwriters Lab File #E52744

•

VDE Approval #0884 Applied For

DESCRIPTION

The IL255 is a bidirectional input optically cou-

pled isolator consisting of two high current Gal-

lium Arsenide infrared LEDs coupled to a

silicon NPN phototransistor. The IL255 has a

minimum CTR of 20%

This optocoupler is ideal for applications requir-

ing AC signal detection and monitoring.

Maximum Ratings

Emitter

Peak Pulsed Current (1

µs, 300 pps) ........... 3 A

Continuous Forward Current......... 130 mA RMS

Power Dissipation at 25

°C .................... 175 mW

Derate Linearly from 25

°C ................ 2.3mW/°C

Detector

Collector-Emitter Breakdown Voltage ........ 30 V

Emitter-Base Breakdown Voltage ................ 5 V

Collector-Base Breakdown Voltage ............ 70 V

Power Dissipation at 25

°C .................... 200 mW

Derate Linearly from 25

°C ................ 2.6 mW/°C

Package

Isolation Test Voltage ................... 5300 VACRMS

Between Emitter and Detector

Refer to Standard Climate

23

°C/50%RH, DIN 50014

Creepage...........................................min. 7 mm

Clearance ..........................................min. 7 mm

Isolation Resistance

VIO=500 V, TA=25°C...........................≥10

12

Ω

VIO=500 V, TA=100°C.........................≥10

11

Ω

Total Dissipation at 25

°C....................... 250 mW

Derate Linearly from 25

°C ................ 3.3 mW/°C

Storage Temperature ............. –55

°C to +150°C

Operating Temperature ......... –55

°C to +100°C

Lead Soldering Time at 260

°C ...............10 sec.

V

DE

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