ADM202EARNZ-REEL datasheet, PDF

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ADM202EARNZ-REEL: DescriptionType: Transceiver Number of Drivers/Receivers: 2/2 Protocol Category: RS232 Data Rate: 230kbps RS232 Transceiver; CategoryAnalog mixed-signal IC RS232 chip; File Size237KB，16 Pages; ManufacturerADI; Websitehttps://www.analog.com

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ADM202EARNZ-REEL Overview

Type: Transceiver Number of Drivers/Receivers: 2/2 Protocol Category: RS232 Data Rate: 230kbps RS232 Transceiver

ADM202EARNZ-REEL Parametric

Parameter Name	Attribute value
type	transceiver
Number of drivers/receivers	2/2
Agreement Category	RS232
voltage	4.5V ~ 5.5V
data rate	230kbps

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EMI/EMC-Compliant, ±15 kV, ESD-Protected

RS-232 Line Drivers/Receivers

ADM202E/ADM1181A

FEATURES

Complies with 89/336/EEC EMC directive

ESD protection to IEC1000-4-2 (801.2)

±8 kV: contact discharge

±15 kV: air-gap discharge

±15 kV: human body model

EFT fast transient/burst immunity (IEC1000-4-4)

Low EMI emissions (EN55022)

230 kbits/s data rate guaranteed

TSSOP package option

Upgrade for MAX202E, 232E, LT1181A

FUNCTIONAL BLOCK DIAGRAMS

5V INPUT

0.1µF

10V

0.1µF

10V

C1+

C1–

C2+

C2–

+5V TO +10V V

VOLTAGE

V+

DOUBLER

+10V TO –10V V–

VOLTAGE

INVERTER

0.1µF

6.3V

0.1µF

10V

OUT

EIA/TIA-232

OUTPUTS

0.1µF

CMOS

INPUTS

OUT

CMOS

OUTPUTS

APPLICATIONS

General-purpose RS-232 data link

Portable instruments

PDAs

EIA/TIA-232

INPUTS

GND

ADM202E

00066-001

00066-002

INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT

Figure 1.

5V INPUT

0.1µF

10V

0.1µF

10V

C1+

C1–

+5V TO +10V V

VOLTAGE

V+

DOUBLER

0.1µF

10V

OUT

EIA/TIA-232

INPUTS

0.1µF

10V

C2+ +10V TO –10V V–

VOLTAGE

C2–

INVERTER

0.1µF

10V

GENERAL DESCRIPTION

The ADM202E and ADM1181A are robust, high speed,

2-channel RS-232/V.28 interface devices that operate from a

single 5 V power supply. Both products are suitable for operation

in harsh electrical environments and are compliant with the EU

directive on EMC (89/336/EEC). Both the level of electromagnetic

emissions and immunity are in compliance. EM immunity

includes ESD protection in excess of ±15 kV on all I/O lines,

fast transient/burst protection (1000-4-4), and radiated

immunity (1000-4-3). EM emissions include radiated and

conducted emissions as required by Information Technology

Equipment EN55022, CISPR22.

The ADM202E and ADM1181A conform to the EIA-232E

and CCITT V.28 specifications and operate at data rates up

to 230 kbps.

Four external 0.1 µF charge-pump capacitors are used for the

voltage doubler/inverter, permitting operation from a single

5 V supply.

CMOS

INPUTS

OUT

EIA/TIA-232

OUTPUTS

CMOS

OUTPUTS

GND

ADM1181A

INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT

Figure 2.

The ADM202E provides a robust pin-compatible upgrade for

existing ADM202, ADM232L, or MAX202E/MAX232E sockets.

It is available in a 16-lead PDIP, a wide SOIC, a narrow SOIC,

and a space-saving TSSOP package that is 44% smaller than the

SOIC package.

The ADM1181A provides a robust pin-compatible upgrade for

the LTC1181A, and it is available in a 16-lead PDIP package

and a wide 16-lead SOIC package.

Rev. C

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

Fax: 781.326.8703

ADM202E/ADM1181A

TABLE OF CONTENTS

Specifications..................................................................................... 3

Absolute Maximum Ratings............................................................ 4

ESD Caution.................................................................................. 4

Pin Configuration and Function Descriptions............................. 5

General Description ......................................................................... 6

Circuit Description....................................................................... 6

Charge-Pump DC-to-DC Voltage Converter....................... 6

Transmitter (Driver) Section .................................................. 6

Receiver Section ....................................................................... 6

High Baud Rate............................................................................. 6

ESD/EFT Transient Protection Scheme .................................... 7

Typical Performance Characteristics ..............................................8

ESD Testing (IEC1000-4-2) ...................................................... 10

Fast Transient/Burst Testing (IEC1000-4-4)........................... 11

IEC1000-4-3 Radiated Immunity ............................................ 12

Emissions/Interference .............................................................. 12

Conducted Emissions ................................................................ 12

Radiated Emissions .................................................................... 13

Outline Dimensions ....................................................................... 14

Ordering Guide .......................................................................... 15

REVISION HISTORY

2/05—Rev. B to Rev. C.

Updated Format..................................................................Universal

Changed Hysteresis Level ..................................................Universal

Change to Specifications.................................................................. 3

Added ESD Caution ......................................................................... 4

Change to Receiver Section............................................................. 6

Updated Outline Dimensions ....................................................... 14

Changes to Ordering Guide .......................................................... 15

2/01—Rev. A to Rev. B.

Deletion of one ESD Rating in

ABSOLUTE MAXIMUM RATINGS............................................. 4

Removal of one column in Table II ................................................ 8

Rev. C | Page 2 of 16

ADM202EARNZ-REEL Related Products

	ADM202EARNZ-REEL	ADM1181AANZ	ADM202EARUZ-REEL7	ADM202EARNZ-REEL7	ADM202EAN
Description	Type: Transceiver Number of Drivers/Receivers: 2/2 Protocol Category: RS232 Data Rate: 230kbps RS232 Transceiver	IC TXRX RS-232 5V 15KV 16-DIP	Type: Transceiver Number of Drivers/Receivers: 2/2 Protocol Category: RS232 Data Rate: 230kbps	Type: Transceiver Number of Drivers/Receivers: 2/2 Protocol Category: RS232 Data Rate: 230kbps RS232 level conversion, same as ADM202EARNZ-REEL chip, different packaging	receiver
type	transceiver	transceiver	transceiver	transceiver	-
Number of drivers/receivers	2/2	2/2	2/2	2/2	-
Agreement Category	RS232	-	RS232	RS232	-
voltage	4.5V ~ 5.5V	-	4.5V ~ 5.5V	4.5V ~ 5.5V	-
data rate	230kbps	230kbps	230kbps	230kbps	-

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