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General Description

The MAX3180E–MAX3183E single RS-232 receivers in

a SOT23-5 package are designed for space- and cost-

constrained applications requiring minimal RS-232

communications. The receiver inputs are protected to

±15kV using IEC 1000-4-2 Air-Gap Discharge, to ±8kV

using IEC 1000-4-2 Contact Discharge, and to ±15kV

per the Human Body Model, ensuring compliance with

international standards.

The devices minimize power and heat dissipation by

consuming only 0.5µA supply current from a +3.0V to

+5.5V supply, and they guarantee true RS-232 perfor-

mance up to a 1.5Mbps data rate. The MAX3180E/

MAX3182E feature a three-state TTL/CMOS receiver

output that is controlled by an EN logic input. The

MAX3181E/MAX3183E feature an INVALID output that

indicates valid RS-232 signals at the receiver input for

applications requiring automatic system wake-up. The

MAX3182E/MAX3183E have a noninverting output,

while the MAX3180E/MAX3181E have a standard

inverting output.

Applications

Diagnostic Ports

Telecommunications

Networking Equipment

Set-Top Boxes

Digital Cameras

Hand-Held Equipment

Features

o Tiny SOT23-5 Package

o ESD-Protected RS-232 Input

±15kV—Human Body Model

±8kV—IEC 1000-4-2, Contact Discharge

±15kV—IEC 1000-4-2, Air-Gap Discharge

o 0.5µA Supply Current

o 1.5Mbps Guaranteed Data Rate

o Meets EIA/TIA-232 and V.28/V.24 Specifications

o

INVALID Output Indicates Valid RS-232 Signal at

Receiver Input (MAX3181E/MAX3183E)

o Three-State TTL/CMOS Receiver Output

(MAX3180E/MAX3182E)

o Noninverting RS-232 Output

(MAX3182E/MAX3183E)

±15kV ESD-Protected, 0.5µA, +3V to +5.5V,

1.5Mbps RS-232 Receivers in SOT23-5

________________________________________________________________

Maxim Integrated Products

1

19-1479; Rev 1; 7/99

PART

MAX3180EEUK-T -40°C to +85°C

TEMP. RANGE

PIN-

PACKAGE

5 SOT23-5

Pin Configurations/Functional Diagrams appear at end of

data sheet.

Selector Guide

Ordering Information

TOP

MARK

ACHB

MAX3181EEUK-T -40°C to +85°C

5 SOT23-5

ACHC

MAX3182EEUK-T -40°C to +85°C

5 SOT23-5

ACHD

MAX3183EEUK-T -40°C to +85°C

5 SOT23-5

ACHE

ESD

PROTECTION

(kV)

MAX3180E

±15

PART

PACKAGE

SOT23-5

SUPPLY

CURRENT

(µA)

0.5

EN

INPUT



INVALID

OUTPUT

—

INVERTING

ROUT



NON-

INVERTING

ROUT

—

MAX3181E

±15

SOT23-5

0.5

—





—

MAX3182E

±15

SOT23-5

0.5



—

—



MAX3183E

±15

SOT23-5

0.5

—



—