ST485AB

批量生产
Design Win

超高速低功耗RS-485/RS-422收发器,温度范围[-40℃, 85℃]

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产品概述

描述

The ST485A is a low power, high speed transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST485A draws 3 mA (typ.) of supply current when unloaded or fully loaded with disabled drivers. It operates from a single 5 V supply.

Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that place the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic high output if both inputs are open circuit.

The ST485A is designed for bi-directional data communications or multipoint bus transmission lines.

  • 所有功能

    • Latch-up free up to 500 mA
    • Current limiting and thermal shutdown for driver overload protection
    • Operate from single 5 supply
    • 70mV typical input hysteresis
    • Low supply current: 5 mA max
    • Designed for RS 485 interface applications
    • High data rate > 30 Mbps
    • Driver maintains high impedance in 3-state or with the power off
    • ±4 kV ESD protection
    • -7 to 12 common mode input voltage range

EDA符号、封装和3D模型

STMicroelectronics - ST485AB

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质量与可靠性

产品型号 Marketing Status 等级规格 符合RoHS级别 材料声明**
ST485ABDR
批量生产
SO-8 工业 Ecopack3

ST485ABDR

Package:

SO-8

Material Declaration**:

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Marketing Status

批量生产

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack3

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

样片和购买

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ST485ABDR
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经销商的可用性 ST485ABDR

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ST485ABDR 批量生产

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(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商