ADM3101EARQZ Analog Devices, ADM3101EARQZ Datasheet

ADM3101EARQZ

Manufacturer Part Number

ADM3101EARQZ

Description

Manufacturer

Analog Devices

Datasheet

1.ADM3101EARQZ.pdf (12 pages)

Specifications of ADM3101EARQZ

08+

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FEATURES

460 kbps data rate

1 Tx and 1 Rx

Meets EIA/TIA-232E specifications

0.1 μF charge pump capacitors

Contact discharge: ±8 kV

Air gap discharge: ±15 kV

APPLICATIONS

General-purpose RS-232 data links

Industrial/telecommunications diagnostics ports

GENERAL DESCRIPTION

The ADM3101E is a high speed, single-channel, RS-232/

ITU-T V.28 transceiver interface device that operates from

a single 3.3 V power supply. Low power consumption makes

it ideal for battery-powered portable instruments.

The ADM3101E conforms to the EIA/TIA-232E and ITU-T V.28

specifications and operates at data rates of up to 460 kbps.

All RS-232 (T

and outputs are protected against electrostatic discharges (up

to ±15 kV ESD protection).

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.

OUT

and R

) and CMOS (T

and R

±15 kV ESD Protected, 3.3 V Single-Channel

OUT

) inputs

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

Tel: 781.329.4700

Fax: 781.461.3113

Because of the ±15 kV ESD protection of the ADM3101E

input/output pins, this device is ideally suited for operation

in electrically harsh environments or where RS-232 cables are

frequently plugged and unplugged.

Four external 0.1 μF charge pump capacitors are used for the

voltage doubler/inverter permitting operation from a single

3.3 V supply.

The ADM3101E is available in both a 12-lead LFCSP and 16-lead

QSOP, specified over the −40°C to +85°C temperature range.

0.1µF

*INTERNAL 5kΩ PULL-DOWN

RESISTOR ON THE RS-232 INPUT.

16V

RS-232 Line Driver/Receiver

OUTPUT

CMOS

INPUT

CMOS

FUNCTIONAL BLOCK DIAGRAM

C1+

C1–

C2+

C2–

OUT

VOLTAGE DOUBLER

VOLTAGE INVERTER

+3.3V TO +6.6V

+6.6V TO –6.6V

ADM3101E

GND

Figure 1.

OUT

V+

V–

+3.3V INPUT

ADM3101E

EIA/TIA-232E

OUTPUT

EIA/TIA-232E

INPUT*

0.1µF

6.3V

0.1µF

16V

www.analog.com

0.1µF

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