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Photocouplers

LTV-0701

BNC-OD-C131/A4

Created Date : 9/18/2009

Revison : 12/5/2011

1. DESCRIPTION

These high gain series couplers use a light emitter diode and an integrated high gain photo detector to provide extremely

high current transfer ratio between input and output. Separate pins for the photodiode and output stage result in TTL

compatible saturation voltage and high speed operation. Where desired the Vcc and Vo terminals may be tied together to

achieve conventional photo darlington operation. A base access terminal allows a gain bandwidth adjustment to be made.

1.1 Features

SO8 package

High current transfer ratio – 2000% typical.

Low input current requirements – 0.5mA

High output current – 60mA

CTR guarantee – 0~70℃.

Instantaneous common mode rejection 10KV/μsec

1.2 Applications

Digital logic ground isolation

Low input current line receiver

Telephone ring detector

EIA-RS-232C line receiver

Current loop receiver

High common mode noise line receiver

1.3 Functional Diagram

NC

ANODE

Cathode

NC

GND

Truth Table (Positive Logic)

LED

OUT

ON

L

OFF

H

A 0.1µF bypass Capacitor must be

connected between Pin8 and Pin5