MAX481CPA

Product Summary

The MAX481CPA is a low-power transceiver for RS-485 and RS-422 communication. Each part contains one driver and one receiver. The MAX481CPA features reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, thus allowing error-free data transmission up to 250kbps. The driver slew rates of the MAX481CPA are not limited, allowing them to transmit up to 2.5Mbps. The transceiver draws between 120μA and 500μA of supply current when unloaded or fully loaded with disabled drivers. Additionally, the MAX481CPA has a low-current shutdown mode in which they consume only 0.1μA. All parts operate from a single 5V supply.

Parametrics

MAX481CPA absolute maximum ratings: (1)Supply Voltage (VCC): 12V; (2)Control Input Voltage (RE, DE): -0.5V to (VCC + 0.5V); (3)Driver Input Voltage (DI): -0.5V to (VCC + 0.5V); (4)Driver Output Voltage (A, B): -8V to +12.5V; (5)Receiver Input Voltage (A, B): -8V to +12.5V; (6)Receiver Output Voltage (RO): -0.5V to (VCC + 0.5V); (7)Continuous Power Dissipation (TA = +70℃): 727mW; (8)Operating Temperature Ranges: 0 to +70℃; (9)Storage Temperature Range: -65 to +160℃; (10)Lead Temperature (soldering, 10sec): +300℃.

Features

MAX481CPA features: (1)for Fault-Tolerant Applications: MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4 Unit Load, +3.3V, RS-485 Transceiver MAX3440E-MAX3444E: ±15kV ESD-Protected, 60V Fault-Protected, 10Mbps, Fail-Safe, RS-485/ J1708 Transceivers; (2)For Space-Constrained Applications: MAX3460-MAX3464: +5V, Fail-Safe, 20Mbps, Profibus RS-485/ RS-422 Transceivers MAX3362: +3.3V, High-Speed, RS-485/ RS-422 Transceiver in a SOT23 Package; (3)MAX3280E-MAX3284E: 5kV ESD-Protected, 52Mbps, +3V to +5.5V, SOT23, RS-485/ RS-422, True Fail-Safe Receivers; (4)MAX3293/ MAX3294/ MAX3295: 20Mbps, +3.3V, SOT23, RS-485/RS-422 Transmitters; (5)For Multiple Transceiver Applications: MAX3030E-MAX3033E: ±15kV ESD-Protected, +3.3V, Quad RS-422 Transmitters; (6)For Fail-Safe Applications: MAX3080-MAX3089: Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers; (7)For Low-Voltage Applications: MAX3483E/ MAX3485E/ MAX3486E/ MAX3488E/ MAX3490E/ MAX3491E: +3.3V Powered, 15kV ESD-Protected, 12Mbps, Slew-Rate-True RS-485/RS-422 Transceivers.

Diagrams