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SP3489 - +3.3V Low Power Quad RS-485/RS-422 Line Receivers

General Description

The SP3488 and the SP3489 are +3.3V low power quad line receivers that meet the specifications of the RS-485 and RS-422 serial protocols.

These devices are pin-to-pin compatible with Sipex's SP488 and SP489 devices as well as popular industry standards.

Key Features

  • a common receiver enable control. The SP3489 provides independent receiver enable controls for each pair of receivers. Both devices feature tri-state outputs and a -7V to +12V common-mode input range. The receivers have a fail-safe feature which forces a logic "1" output when receiver inputs are left floating. RI1B RI1A RO1 EN RO2 RI2A RI2B GND 1 2 3 4 5 6 7 8 SP3488 1 4 16 15 14 13 12 VCC RI4B RI4A RO4 EN RO3 RI3A RI3B RI1B RI1A RO1 EN1/EN2 RO2 RI2A RI2B GND 1 2 3 4 5 6 7 8 SP3489 1 4.

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Datasheet Details

Part number SP3489
Manufacturer Sipex
File Size 116.86 KB
Description +3.3V Low Power Quad RS-485/RS-422 Line Receivers
Datasheet download datasheet SP3489 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® SP3488 and SP3489 +3.3V Low Power Quad RS-485/RS-422 Line Receivers ■ RS-485 or RS-422 Quad Differential Line Receivers ■ Operates from a single +3.3V supply ■ Interoperable with +5.0V logic ■ Tri-state Output Control ■ -7V to +12V Common-Mode Input Voltage Range ■ Common Driver Enable Control (SP3488) ■ Independent Driver Enable Controls for each pair of Drivers (SP3489) ■ Compatibility with LTC488 and SN75173 (SP3488) ■ Compatibility with LTC489 and SN75175 (SP3489) DESCRIPTION… The SP3488 and the SP3489 are +3.3V low power quad line receivers that meet the specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin compatible with Sipex's SP488 and SP489 devices as well as popular industry standards.