RS-485 и RS-422 MAX3467EPA+

RS422/RS485 приемопередатчик , 1 драйвер, 1 приемник, 4.75В до 5.25В питание, DIP-8

The MAX3467EPA+ from Maxim Integrated Products is a +5V, fail-safe, profibus RS485/RS422 transceiver in 8 pin DIP package. This high speed and full duplex differential bus transceiver is designed to meet TIA/EIA-422-B, TIA/EIA-485-A, V.11 and X.27 standards. The device operates from +5V supply and feature true fail-safe circuitry which provides logic high receiver output when receiver inputs are open or shorted. This enables all receiver outputs on a terminated bus to output logic highs when all transmitters are disabled. It has 1/4 standard unit load receiver input impedance that allows 128 transceivers on the bus. The driver and receiver has active-high and active-low enables respectively and can be connected together externally to serve as a direction control. It is used in high speed RS485 and RS422 communications, level translators, industrial control local area networks and profibus applications.

• Supply voltage range from 4.75V to 5.25V, operating temperature range from -40°C to 85°C
• Contains one three state differential line driver and one differential input line receiver
• 15ns transmitter propagation delay and 20ns receiver propagation delay
• 2ns transmitter and receiver skew
• Designed for multipoint transmissions on long or noisy bus lines
• High differential driver output level (2.1V on 54ohm)
• Low supply current of 2.5mA
• Current limiting and thermal shutdown for driver overload protection
• Up to 40Mbps data rate, full duplex version
• Complies with profibus specification providing +2.1V minimum output level with 54ohm load

• High-Speed RS-422 Communications; High-Speed RS-485 Communications; Industrial-Control Local Area Networks; Level Translators; PROFIBUS Applications

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