LMS202IM datasheet(1/5 Pages) NSC

Part #	LMS202IM

Description	5V Single Supply TIA/EIA-232 Dual Transceivers

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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LMS202

5V Single Supply TIA/EIA-232 Dual Transceivers

General Description

The LMS202 features two transmitters and two receivers for

RS-232 communication. It has a DC-to-DC converter that

permits the device to operate with only a single +5V power

supply. The on-chip DC-to-DC converter which utilizes four

external 0.1µF capacitors to generate dual internal power

supplies for RS-232 compatible output levels.

The device meet EIA/TIA-232E and CCITT V.28 specifica-

tions up to 230kbits/sec. The LMS202 is available in a 16 pin

narrow and Wide SOIC package.

Features

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Single +5V power supply

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230 kbps data rate

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On-board DC-to-DC converter

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0.1µF charge pump capacitors

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Drop-in replacement to Maxim’s MAX202

Applications

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POS equipment (Bar code reader)

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Hand-held equipment

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General purpose RS-232 communication

Connection Diagram and Typical Circuit

20062901

March 2003

DS200629

www.national.com

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LMS202IM Datasheet(PDF) 1 Page - National Semiconductor (TI)

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