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UM3085E - True RS-485 Transceivers

Datasheet Summary

Description

The UM3085E, UM3088E are ±15kV ESD-protected, high-speed transceivers for RS-485 communication that contain one driver and one receiver.

These devices feature fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open, shorted or idle.

Features

  • reduced slew-rate driver that minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission up to 500kbps. While partially slew-rate limited UM3088E speeds up to 2.5Mbps. All devices feature enhanced ESD protection. All transmitter outputs and receiver inputs are protected to ±15kV using the Human Body Model and IEC61000-4-2, Air-Gap Discharge. The transceivers typically draw.

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Datasheet preview – UM3085E

Datasheet Details

Part number UM3085E
Manufacturer UniON Semiconductor
File Size 217.78 KB
Description True RS-485 Transceivers
Datasheet download datasheet UM3085E Datasheet
Additional preview pages of the UM3085E datasheet.

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Full PDF Text Transcription

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UM3085E/UM3088E ±15kV ESD-Protected, Slew-Rate-Limited, Fail-Safe, True RS-485 Transceivers UM3085E/UM3088E SOP8/DIP8 General Description The UM3085E, UM3088E are ±15kV ESD-protected, high-speed transceivers for RS-485 communication that contain one driver and one receiver. These devices feature fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open, shorted or idle. This means that the receiver output will be logic high if all transmitters on a terminated bus are disabled (high impedance). The UM3085E features reduced slew-rate driver that minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission up to 500kbps. While partially slew-rate limited UM3088E speeds up to 2.5Mbps.
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