MAX3485AEASA+

The MAX3485AEASA+ is a 3.3V powered, ±20KV ESD protected, 20Mbps and slew rate limited RS485/RS422 transceiver in 8 pin NSOIC package. This is a half duplex transceiver optimized for extended cable runs in noisy environments. All receiver features an unit load input impedance allowing up to 32 devices on a single bus. Transceiver includes a fail-safe receiver ensuring that the receiver output (RO) is high when inputs are shorted, open or connected to a tri-state bus. Transmitter outputs and receiver inputs are protected to ±20KV HBM ESD, ±15KV air-gap ESD and ±8KV contact ESD in accordance to IEC 61000-4-2. It is used in industrial control local area networks, transceivers for EMI-sensitive applications and telecommunications.

• Supply voltage range from 3V to 3.6V
• Supply current of 4mA (max) at DE = VCC, RE (complementary) = GND, no load
• Integrated protection increases robustness
• Short circuit protected outputs
• Operating temperature range from -40°C to +125°C
• True fail-safe receiver prevents false transition on receiver input short or open events
• Hot swap capability eliminates false transitions during power-up or hot insertion
• Allows up to 128 transceivers on the bus

Applications

Power Management

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