Features

Description

The OPB685 series flag switches consist

of an infrared emitting diode and a

monolithic integrated circuit, which

incorporates a photodiode, a linear

amplifier and a Schmitt trigger. A lever

arm actuated flag interrupts the light

beam switching the output between

states that can readily drive logic gates.

Customized lever arms and spring

torques can be designed for specific

applications.

The device features TTL/LSTTL

compatible logic level output which can

drive up to 10 TTL loads over a voltage

range from 4.5 V to 16 V.

Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40

Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40

Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 sec. with soldering

iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240

Input Diode

Forward DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA

Peak Forward Current (1

µs pulse width, 300 pps) . . . . . . . . . . . . . . . . . . . . . . . . 3.0 A

Reverse DC Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 V

Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW

(2)

Output Photologic

®

Voltage at Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 V

Low Level Output Current (sinking) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 mA

Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 mW

(3)

Notes:

(1) RMA flux is recommended. Duration can be extended to 10 sec. max. when flow soldering.

(2) Derate linearly 1.33 mW/

(3) Derate linearly 2.50 mW/

Product Bulletin OPB685

July 1996

Photologic

Types OPB685, OPB686, OPB687, OPB688

Optek Technology, Inc.

1215 W. Crosby Road

Carrollton, Texas 75006

(972)323-2200

Fax (972)323-2396

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