MAX487E - ±15kV ESD保护、限摆率、低功耗、RS-485/RS-422收发器

MAX487E是Maxim美信半导体公司的一款传感器与传感器接口产品，MAX487E是±15kV ESD保护、限摆率、低功耗、RS-485/RS-422收发器，本站介绍了MAX487E的封装应用图解、特点和优点、功能等，并给出了与MAX487E相关的Maxim元器件型号供参考。

MAX487E - ±15kV ESD保护、限摆率、低功耗、RS-485/RS-422收发器 - 传感器与传感器接口 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX481E, MAX483E, MAX485E, MAX487E-MAX491E, and MAX1487E are low-power transceivers forRS-485 and RS-422 communications in harsh environments.Each driver output and receiver input is protectedagainst ±15kV electro-static discharge (ESD) shocks,without latchup. These parts contain one driver and onereceiver. The MAX483E, MAX487E, MAX488E, andMAX489E feature reduced slew-rate drivers that minimizeEMI and reduce reflections caused by improperly terminatedcables, thus allowing error-free data transmissionup to 250kbps. The driver slew rates of the MAX481E,MAX485E, MAX490E, MAX491E, and MAX1487E are notlimited, allowing them to transmit up to 2.5Mbps.

These transceivers draw as little as 120µA supply currentwhen unloaded or when fully loaded with disableddrivers (see Selector Guide). Additionally, the MAX481E,MAX483E, and MAX487E have a low-current shutdownmode in which they consume only 0.5µA. All parts operatefrom a single +5V supply.

Drivers are short-circuit current limited, and are protectedagainst excessive power dissipation by thermal shutdowncircuitry that places their outputs into a high-impedancestate. The receiver input has a fail-safe feature that guaranteesa logic-high output if the input is open circuit.

The MAX487E and MAX1487E feature quarter-unit-loadreceiver input impedance, allowing up to 128 transceiverson the bus. The MAX488E-MAX491E aredesigned for full-duplex communications, while theMAX481E, MAX483E, MAX485E, MAX487E, andMAX1487E are designed for half-duplex applications.For applications that are not ESD sensitive see the pinandfunction-compatible MAX481, MAX483, MAX485,MAX487-MAX491, and MAX1487.

关键特性

以下关键特性由Maxim美信半导体提供：

For Fault-Tolerant Applications:
MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4-Unit Load, +3.3V, RS-485 TransceiverMAX3080-MAX3089: Fail-Safe, High-Speed(10Mbps), Slew-Rate-Limited, RS-485/RS-422Transceivers

For Space-Constrained Applications:
MAX3460-MAX3464: +5V, Fail-Safe, 20Mbps,Profibus, RS-485/RS-422 TransceiversMAX3362: +3.3V, High-Speed, RS-485/RS-422Transceiver in a SOT23 PackageMAX3280E-MAX3284E: ±15kV ESD-Protected,52Mbps, +3V to +5.5V, SOT23, RS-485/RS-422True Fail-Safe ReceiversMAX3030E-MAX3033E: ±15kV ESD-Protected,+3.3V, Quad RS-422 Transmitters

For Multiple Transceiver Applications:
MAX3293/MAX3294/MAX3295: 20Mbps, +3.3V,SOT23, RS-485/RS-422 Transmitters

For Fail-Safe Applications:
MAX3440E-MAX3444E: ±15kV ESD-Protected,±60V Fault-Protected, 10Mbps, Fail-SafeRS-485/J1708 Transceivers

For Low-Voltage Applications:
MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E: +3.3V Powered, ±15kVESD-Protected, 12Mbps, Slew-Rate-Limited,True RS-485/RS-422 Transceivers

热门应用

工业控制局域网

电平转换器

低功耗RS-422收发器

低功耗RS-485收发器

用于EMI敏感应用的收发器

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