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Analog Devices MAX1481EUB+ — DC-DC Power Modules

MAX1481EUB+ RS-422/RS-485 Transceiver, Full Duplex, 250 kbps

MPNMAX1481EUB+
End of Life

Analog Devices MAX1481EUB+ RS-422/RS-485 transceiver, full duplex, 250 kbps data rate, 1/1 driver/receiver, 70 mV receiver hysteresis, 4.75V to 5.25V supply, -40°C to 85°C, 10-uMAX/uSOP package.

$5.62Ref. price · indicative, final on quote
Packaging10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
RoHSROHS3 Compliant
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MAX1481EUB+ specifications
ParameterValue
TypeTransceiver
MountingSurface Mount
Voltage4.75V ~ 5.25V
ProtocolRS422, RS485
Operating temperature-40°C ~ 85°C
DuplexFull
PackageTube
Data rate250kbps
Case10-TFSOP, 10-MSOP (0.118\", 3.00mm Width)
Receiver hysteresis70 mV
Number of drivers (Receivers)1/1

Product details

At 250 kbps, this part is sized for Profibus DP at the lower baud rates, Modbus RTU, and general-purpose sensor/actuator networks. It will not support 1 Mbps or higher fieldbuses like DeviceNet or CAN at full speed.

Full duplex and 1/1 driver/receiver count

Full-duplex operation means separate transmit and receive pairs, so the bus wiring needs four wires (two twisted pairs) instead of two. The single driver and single receiver limit this part to point-to-point or multi-drop configurations where only one transmitter talks at a time.

Receiver hysteresis — noise margin on long cables

The 70 mV of receiver hysteresis is a deliberate design choice for industrial environments. It prevents the receiver from chattering on a slowly rising differential signal caused by cable capacitance or ground shifts.

The 10-uMAX/uSOP package (3.00 mm body width, 0.118" pitch) is a common footprint shared with many other single-transceiver parts from Analog Devices.

Frequently asked questions

Is MAX1481EUB+ available via RFQ confirmation?

Stock levels change daily. The part is sourced to order; submit an RFQ to check current availability and lead time.

Is MAX1481EUB+ RoHS compliant?

Yes, the MAX1481EUB+ is ROHS3 compliant, covering all six restricted substances plus the four phthalates.

What is the difference between MAX1481EUB+ and MAX1482EUB+?

The MAX1482EUB+ is a higher-speed variant rated for 2.5 Mbps versus the MAX1481EUB+'s 250 kbps. Both are full-duplex, single driver/receiver transceivers in the same 10-uMAX/uSOP package and pinout. The MAX1482 is the choice for faster fieldbuses; the MAX1481 is adequate for slower networks like Modbus RTU at 19200 baud.

Is MAX1481EUB+ compatible with 3.3V logic?

No, the MAX1481EUB+ is specified for a 4.75 V to 5.25 V supply and 5 V logic levels. For 3.3 V systems, consider the MAX3485 family of 3.3 V RS-485 transceivers.