ADM232LARZ1 datasheet, PDF - EEWORLD Datasheet

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ADM232LARZ1: DescriptionDUAL LINE TRANSCEIVER, PDSO16; Categorysemiconductor Analog mixed-signal IC; File Size288KB，20 Pages; ManufacturerADI; Websitehttps://www.analog.com

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ADM232LARZ1 Overview

DUAL LINE TRANSCEIVER, PDSO16

ADM232LARZ1 Parametric

Parameter Name	Attribute value
Number of functions	2
Number of terminals	16
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Maximum supply voltage 1	5.5 V
Minimum supply voltage 1	4.5 V
Rated supply voltage 1	5 V
Processing package description	MS-013AA, SOIC-16
state	ACTIVE
Craftsmanship	CMOS
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	1.27 mm
terminal coating	TIN LEAD
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Temperature level	INDUSTRIAL
Interface Type	LINE TRANSCEIVER
Interface standards	EIA-232-E; V.28
Number of drive digits	2
Input properties	SCHMITT TRIGGER
Number of receiver bits	2

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5 V-Powered

CMOS RS-232 Drivers/Receivers

ADM231L–ADM234L/ADM236L–ADM241L

FEATURES

Single 5 V power supply

Meets all EIA-232-E and V.28 specifications

120 kbps data rate

On-board dc-to-dc converters

±9 V output swing with 5 V supply

Small 1 µF capacitors

Low power shutdown ≤1 µA

±30 V receiver input levels

Latch-up free

ADM236L TYPICAL OPERATING CIRCUIT

+5V INPUT

C1+

C1–

C2+

C2–

V+

+5V TO +10V

VOLTAGE

DOUBLER

+10V TO –10V

VOLTAGE

INVERTER

1µF

+6.3V

1µF

+6.3V

1µF

+6.3V

1µF

+16V

V–

1µF

+16V

OUT

RS-232

INPUTS

RS-232

OUTPUTS

TTL/CMOS

INPUTS

OUT

TTL/CMOS

OUTPUTS

OUT

APPLICATIONS

Computers

Peripherals

Modems

Printers

Instruments

GENERAL DESCRIPTION

The ADM2xx family of line drivers/receivers is intended for all

EIA-232-E and V.28 communications interfaces, especially in

applications in which 12 V is not available. The ADM236L and

ADM241L feature a low power shutdown mode that reduces

power dissipation to less than 5 µW, making them ideally suited

for battery-powered equipment. The ADM233L does not

require any external components and is particularly useful in

applications where printed circuit board space is critical.

All members of the ADM2xxL family, except the ADM231L and

ADM239L, include two internal charge pump voltage converters

that allow operation from a single 5 V supply. These parts convert

the 5 V input power to the ±10 V required for RS-232 output

Table 1. Selection Table

Part

Number

ADM231L

ADM232L

ADM233L

ADM234L

ADM236L

ADM237L

ADM238L

ADM239L

ADM241L

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.

GND

ADM236L

INTERNAL 400kΩ PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.

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

Figure 1.

levels. The ADM231L and ADM239L are designed to operate

from 5 V and 12 V supplies. An internal +12 V to −12 V charge

pump voltage converter generates the −12 V supply.

The ADM2xxL is an enhanced upgrade to the AD2xx family. It

features lower power consumption, faster slew rate, and the

ability to operate with smaller (1 µF) capacitors.

Power Supply Voltage

5 V and 7.5 V to 13.2 V

No. of RS-232

Drivers

No. of RS-232

Receivers

External

Capacitors

None

Low Power

Shutdown (SD)

Yes

TTL

Three-State EN

Yes

No. of

Pins

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

Tel: 781.329.4700

www.analog.com

Fax: 781.461.3113

00070-0-015

ADM231L–ADM234L/ADM236L–ADM241L

TABLE OF CONTENTS

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

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

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

Pin Configurations and Function Descriptions ........................... 5

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

Typical Operating Circuits .............................................................. 9

General Information ...................................................................... 12

Circuit Description .................................................................... 12

Application Hints ....................................................................... 13

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

Ordering Guide .......................................................................... 17

REVISION HISTORY

4/05—Rev. B to Rev. C

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

Removed ADM223, ADM230L, and ADM235L............Universal

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

Changes to Specifications Table...................................................... 3

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

Changes to Ordering Guide .......................................................... 17

5/01—Rev. A to Rev. B

Edits to Test Conditions/Comments of Specifications................ 2

1/01—Rev. 0 to Rev. A

Removed ESD information from Features section ...................... 1

Changes to Specifications Table...................................................... 2

Removed ESD information from

Absolute Maximum Ratings section .............................................. 2

Revision 0: Initial Version

Rev. C | Page 2 of 20

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