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MAXIM - Complete, Isolated RS-485/RS-422 Data Interface - Interface MAX1480A

Complete, Isolated RS-485/RS-422 Data Interface 此图片只做参考用
真图请以实物为准
库存状况
  • 库存数量: 100
  • 包装规格:
  • 最小订单量:1
  • 多重订单量:1
  • 单位价格(不含税):CNY 84.00
数量:
价格
    数量单位价格(不含税)
    1-24CNY 84.00
    25-49CNY 79.80
    50-99CNY 75.60
    100-249CNY 71.40
  • 制造商:MAXIM
  • 库存编号:1616554
  • 商品型号:MAX1490BCPG+
  • RoHS胁从产品:
  • 备注:
  • 产品描述:The MAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490B are complete, electrically isolated, RS-485/RS-422 data-communications interface solutions in a hybrid microcircuit.
The MAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490B are complete, electrically isolated, RS-485/RS-422 data-communications interface solutions in a hybrid microcircuit. Transceivers, optocouplers, and a transformer provide a complete interface in a standard DIP package. A single +5V supply on the logic side powers both sides of the interface.

The MAX1480B/MAX1480C/MAX1490B feature reduced-slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250kbps. The MAX1480A/MAX1490A driver slew rate is not limited, allowing transmission rates up to 2.5Mbps. The MAX1480A/B/C are designed for half-duplex communication, while the MAX1490A/B feature full-duplex communication.

Drivers are short-circuit current limited and 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 known output (active-low RO low for the MAX1480A/B/C, RO high for the MAX1490A/B) if the input is open circuit.

The MAX1480A/MAX1480B/MAX1480C/MAX1490A/MAX1490B typically withstand 1600VRMS (1 minute) or 2000VRMS (1 second). Their isolated outputs meet all RS-485/RS-422 specifications. The MAX1480A/B/C are available in a 28-pin DIP package, and the MAX1490A/B are available in a 24-pin DIP package.

Key Features
For Integrated ESD Protection
MAX1480E/MAX1490E: ±15kV ESD-Protected, Isolated RS-485/RS-422 Data Interfaces
For Space-Constrained Applications
MAX3157: High CMRR, RS-485 Transceiver with ±50V Isolation
 
Applications/Uses
Automated Test Equipment (ATE)
HVAC/Building Control Networks
Industrial-Control Local Area Networks
Isolated RS-485/RS-422 Data Interface
Transceivers for EMI-Sensitive Applications

Diagram

MAX1490A, MAX1490B: Pin Configuration
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