CTW138 datasheet(1/14 Pages) CTMICRO

Part #	CTW138

Description	Low Input Current Photodarlington Coupler

PDF	14 Pages

Scroll/Zoom	100%

Manufacturer	CTMICRO [CT Micro International Corporation]

Direct Link	http://www.ct-micro.com/

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CT Micro

Rev 1

Proprietary & Confidential

Page 1

May, 2016

CTW138, CTW139

Low Input Current Photodarlington Coupler

Package Outline

Schematic

CTW138 / CTW139

Note: Different lead forming options available. See package

dimension.

Features

•

Low current – 0.5mA

•

Superior CTR-2000%

•

CTR guaranteed 0–70°C

•

Regulatory Approvals

UL - UL1577 (E364000)

VDE - EN60747-5-5(VDE0884-5)

CQC – GB4943.1, GB8898

IEC60065, IEC60950

Applications

•

Digital logic ground isolation

•

Telephone ring detector

•

EIA-RS-232C line receiver

•

High common mode noise line receiver

•

Current loop receiver

Description

The CTW138 & CTW139 optocouplers consist of an

AlGaAs LED optically coupled to a high gain split

darlington photodetector.

The combination of a very low input current of

0.5mA and a high current transfer ratio of 2000%

makes this family particularly useful for input

interface to MOS, CMOS, LSTTL and EIA RS232C,

while output compatibility is ensured to CMOS as

well as high fan-out TTL requirements.

The devices are packaged in an 8-pin widebody

package and also available in surface mount lead

forming option.

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CTW138 Datasheet(PDF) 1 Page - CT Micro International Corporation

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