Datasheet > BL3085B

BL3085B

更新时间： 2023-12-06 20:08:54

品牌	Logo	应用领域
上海贝岭 - BELLING		通信驱动驱动器
页数	文件大小	规格书
8页	359K
描述
BL3085B是用于RS-485通信的低功耗收发器，芯片内含失效保护电路，保证接收器输入端在开路或短路时，接收器的输出端处于逻辑高电平的状态。BL3085B具有限摆率驱动器，可以减小EMI，并降低

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BL3085B 数据手册

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.

Features

Functional Block

 +5V Operation

 True Fail-Safe Receiver

 Data transmission up to 250kbps

 Allow Up to 256 Transceivers on the Bus

 ±18kV IEC 61000-4-2 ESD Protection on I/O Bus Pins

 Available in SOP8 Package

Applications



RS-485 Communications

Level Translators

Transceivers for EMI-Sensitive Applications

Industrial Control Local Area Networks

Energy Meter Networks

Lighting Systems

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