ADM3491E_15 datasheet(3/20 Pages) AD

No de pièce	ADM3491E

Description	Full-Duplex, RS-485/RS-422 Transceivers

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Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E

Rev. A | Page 3 of 20

GENERAL DESCRIPTION

(continued from Page 1)

The driver outputs of the ADM3483E/ADM3486E/

ADM3488E are slew rate limited, in order to reduce EMI

and data errors caused by reflections from improperly

terminated buses. The receiver has a fail-safe feature that

ensures a logic high output when the inputs are floating.

Excessive power dissipation caused by bus contention

or by output shorting is prevented with a thermal shut-

down circuit.

The parts are fully specified over the industrial temperature range

and are available in 8-lead and 14-lead narrow SOIC packages.

Table 1. Selection Table

Part No.

Guaranteed Data

Rate (Mbps)

Supply

Voltage (V)

Half/Full

Duplex

Slew Rate

Limited

Driver/Receiver

Enable

±15 kV ESD Protection

on Bus Pins

Pin Count

ADM3483E

0.25

3.0 to 3.6

Half

Yes

8

ADM3486E

2.5

3.0 to 3.6

Half

Yes

8

ADM3488E

0.25

3.0 to 3.6

Full

Yes

No

Yes

8

ADM3490E

12

3.0 to 3.6

Full

No

Yes

8

ADM3491E

12

3.0 to 3.6

Full

No

Yes

14

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Analog Devices	ADM3491EARZ	649Kb / 20P	3.3 V, 짹15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers REV. A
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Fabricant	No de pièce	Fiches technique	Description
Analog Devices	ADM3070E	528Kb / 20P	Full-Duplex, RS-485/RS-422 Transceivers Rev. E
	ADM3488	328Kb / 20P	Full-Duplex, RS-485/RS-422 Transceivers Rev. E
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ADM3491E Fiches technique(PDF) 3 Page - Analog Devices

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