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MAXIM - Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers - Interface MAX1487

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers 此图片只做参考用
真图请以实物为准
库存状况
  • 库存数量: 174
  • 包装规格:
  • 最小订单量:1
  • 多重订单量:1
  • 单位价格(不含税):CNY 8.00
数量:
价格
    数量单位价格(不含税)
    1-24CNY 8.00
    25-49CNY 7.60
    50-99CNY 7.20
    100-249CNY 6.80
  • 制造商:MAXIM
  • 库存编号:1616423
  • 商品型号:MAX488ESA
  • RoHS胁从产品:
  • 备注:
  • 产品描述:The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication.
The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver. The MAX483, MAX487, MAX488, and MAX489 feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, thus allowing error-free data transmission up to 250kbps. The driver slew rates of the MAX481, MAX485, MAX490, MAX491, and MAX1487 are not limited, allowing them to transmit up to 2.5Mbps.

These transceivers draw between 120μA and 500μA of supply current when unloaded or fully loaded with disabled drivers. Additionally, the MAX481, MAX483, and MAX487 have a low-current shutdown mode in which they consume only 0.1μA. All parts operate from a single 5V supply.

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

The MAX487 and MAX1487 feature quarter-unit-load receiver input impedance, allowing up to 128 MAX487/MAX1487 transceivers on the bus. Full-duplex communications are obtained using the MAX488–MAX491, while the MAX481, MAX483, MAX485, MAX487, and MAX1487 are designed for half-duplex applications.

Key Features
For Fault-Tolerant Applications
MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4 Unit Load, +3.3V, RS-485 Transceiver
MAX3440E–MAX3444E: ±15kV ESD-Protected, ±60V Fault-Protected, 10Mbps, Fail-Safe, RS-485/J1708 Transceivers
For Space-Constrained Applications
MAX3460–MAX3464: +5V, Fail-Safe, 20Mbps, PROFIBUS RS-485/RS-422 Transceivers
MAX3362: +3.3V, High-Speed, RS-485/RS-422 Transceiver in a SOT23 Package
MAX3280E–MAX3284E: ±15kV ESD-Protected, 52Mbps, +3V to +5.5V, SOT23, RS-485/RS-422, True Fail-Safe Receivers
MAX3293/MAX3294/MAX3295: 20Mbps, +3.3V, SOT23, RS-485/RS-422 Transmitters
For Multiple Transceiver Applications
MAX3030E–MAX3033E: ±15kV ESD-Protected, +3.3V, Quad RS-422 Transmitters
For Fail-Safe Applications
MAX3080–MAX3089: Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers
For Low-Voltage Applications
MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E: +3.3V Powered, ±15kV ESD-Protected, 12Mbps, Slew-Rate-Limited, True RS-485/RS-422 Transceivers
 
Applications/Uses
Industrial-Control Local Area Networks
Level Translators
Low-Power RS-422 Transceivers
Low-Power RS-485 Transceivers
Transceivers for EMI-Sensitive Applications
 

Diagram

MAX1487, MAX481, MAX483, MAX485, MAX487, MAX488, MAX489, MAX490, MAX491: Pin Configuration and Typical Operating Circuit
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