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ADM3491-1 - EIA RS-485 Transceiver

Description

The ADM3491-1 is a low power, differential line transceiver designed to operate using a single 3.3 V power supply.

Low power consumption, coupled with a shutdown mode, makes it ideal for power-sensitive applications.

It is suitable for communication on multipoint bus transmission lines.

Features

  • Operates with 3.3 V supply EIA RS-422 and RS-485 compliant over full CM range 19 kΩ input impedance Up to 50 transceivers on bus 20 Mbps data rate Short-circuit protection Specified over full temperature range Thermal shutdown Interoperable with 5 V logic 840 μA supply current 2 nA shutdown current Available in PDIP, SOIC, and TSSOP Meets IEC1000-4-4 (>1 kV) 8 ns skew Upgrade for MAX3491, SN75ALS180 3.3 V, Full-Duplex, 840 μA, 20 Mbps, EIA RS-485 Transceiver ADM3491-1.

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Datasheet preview – ADM3491-1

Datasheet Details

Part number ADM3491-1
Manufacturer Analog Devices
File Size 263.86 KB
Description EIA RS-485 Transceiver
Datasheet download datasheet ADM3491-1 Datasheet
Additional preview pages of the ADM3491-1 datasheet.

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Full PDF Text Transcription

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Data Sheet FEATURES Operates with 3.3 V supply EIA RS-422 and RS-485 compliant over full CM range 19 kΩ input impedance Up to 50 transceivers on bus 20 Mbps data rate Short-circuit protection Specified over full temperature range Thermal shutdown Interoperable with 5 V logic 840 μA supply current 2 nA shutdown current Available in PDIP, SOIC, and TSSOP Meets IEC1000-4-4 (>1 kV) 8 ns skew Upgrade for MAX3491, SN75ALS180 3.3 V, Full-Duplex, 840 μA, 20 Mbps, EIA RS-485 Transceiver ADM3491-1 FUNCTIONAL BLOCK DIAGRAM ADM3491-1 RO R RE A B DE DI D Z Y 05234-001 Figure 1.
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