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BL3085B - RS-485 Transceivers

General Description

The BL3085B is a half-duplex RS-485 transceiver with ±18kV IEC 61000-4-2 contact discharge protection.

The BL3085B contains one driver and one receiver.

Key Features

  • fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open or shorted. This means that the receiver output will be logic high even if all transmitters on a terminated bus are disabled. The BL3085B features reduced slew-rate driver that minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission up to 250kbps. The BL3085B has a 1/8 unit load receiver input impedance that allows up to 256 transceivers.

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Datasheet Details

Part number BL3085B
Manufacturer BELLING
File Size 359.34 KB
Description RS-485 Transceivers
Datasheet download datasheet BL3085B 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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BL3085B High ESD-Protected, Fail-Safe, Slew-Rate-Limited RS-485 Transceivers General Description The BL3085B is a half-duplex RS-485 transceiver with ±18kV IEC 61000-4-2 contact discharge protection. The BL3085B contains one driver and one receiver. The device features fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open or shorted. This means that the receiver output will be logic high even if all transmitters on a terminated bus are disabled. The BL3085B features reduced slew-rate driver that minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission up to 250kbps. The BL3085B has a 1/8 unit load receiver input impedance that allows up to 256 transceivers on the bus.