MAX3468ESA+

The MAX3468ESA+ is a +5V, fail-safe, profibus RS485/RS422 transceiver in 8 pin NSOIC package. This high speed and half duplex differential bus transceiver is designed to meet TIA/EIA-422-B, TIA/EIA-485-A, V.11 and X.27 standards. It complies with profibus specification providing +2.1V minimum output level with 54ohm load and 40Mbps data rate. The MAX3468 contains one three state differential line driver and one differential input line receiver. 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 level translators.

• Supply voltage range from 4.75V to 5.25V
• Operating temperature range from -40°C to 85°C
• 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)
• 1μA shutdown supply current and low supply current of 2.5mA
• Current limiting and thermal shutdown for driver overload protection
• Receiver/driver enable function, low power shutdown mode and hot swap function

Applications

Communications & Networking, Industrial

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party