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ISL8485

Renesas
Part Number ISL8485
Manufacturer Renesas
Description RS-485/RS-422 Transceivers
Published Oct 28, 2021
Detailed Description DATASHEET ISL8485, ISL8490, ISL8491 5V, Low Power, High Speed, RS-485/RS-422 Transceivers FN6046 Rev 10.01 Oct 14, 202...
Datasheet PDF File ISL8485 PDF File

ISL8485
ISL8485

Overview
DATASHEET ISL8485, ISL8490, ISL8491 5V, Low Power, High Speed, RS-485/RS-422 Transceivers FN6046 Rev 10.
01 Oct 14, 2021 The ISL8485, ISL8490, and ISL8491 RS-485/RS-422 devices are BiCMOS 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication.
Unlike competitive devices, this family is specified for 10% tolerance supplies (4.
5V to 5.
5V).
The ISL8485, ISL8490, and ISL8491 feature data rates up to 5Mbps.
All devices present a single unit load to the RS-485 bus, which allows up to 32 transceivers on the network.
The receiver (Rx) inputs feature a “fail-safe if open” design, which ensures a logic high Rx output if the Rx inputs are floating.
The driver (Tx) outputs are short-circuit protected, even for voltages exceeding the power supply voltage.
Additionally, on-chip thermal shutdown circuitry disables the Tx outputs to prevent damage if power dissipation becomes excessive.
The ISL8490 and ISL8491 are configured for full duplex (separat...


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