MAX488

Product Summary

The MAX488 is a low-power transceiver for RS-485 and RS- 422 communication. Each part contains one driver and one receiver. The MAX488 features reduced slew-rate driver that minimize EMI and reduce reflections caused by improperly terminated cable, thus allowing error-free data transmission up to 250kbps. The driver slew rates of the MAX488 is not limited, allowing them to transmit up to 2.5Mbps. The MAX488 draws between 120μA and 500μA of supply current when unloaded or fully loaded with disabled driver. Additionally, the MAX488 has a low-current shutdown mode in which they consume only 0.1μA. All parts operate from a single 5V supply. Applications are (1)Low-power RS-485 transceivers; (2)Low-power RS-422 transceivers; (3)Level translators; (4)Transceivers for EMI-sensitive applications; (5)Industrial-control local area networks.

Parametrics

MAX488 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°C), 8-pin plastic DIP (derate 9.09mW/°C above +70°C): 727mW; 14-pin plastic DIP (derate 10.00mW/°C above +70°C): 800mW; 8-pin SO (derate 5.88mW/°C above +70°C): 471mW; 14-pin SO (derate 8.33mW/°C above +70°C): 667mW; 8-pin μMAX (derate 4.1mW/°C above +70°C): 830mW; 8-pin CERDIP (derate 8.00mW/°C above +70°C): 640mW; 14-pin CERDIP (derate 9.09mW/°C above +70°C): 727mW; (8)Operating temperature ranges, MAX4_ _C_ _/MAX1487C_ A: 0°C to +70°C; MAX4_ _E_ _/MAX1487E_ A: -40°C to +85°C; MAX4_ _MJ_/MAX1487MJA: -55°C to +125°C; (9)Storage temperature range: -65°C to +160°C; (10)Lead temperature (soldering, 10sec): +300°C.

Features

MAX488 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; MAX3280E–MAX3284E: ±15kV ESD-protected, 52Mbps, +3V to +5.5V, SOT23, RS-485/RS-422, true fail-safe receivers; MAX3293/MAX3294/MAX3295: 20Mbps, +3.3V, SOT23, RS-855/RS-422 transmitters; (3)For multiple transceiver applications: MAX3030E–MAX3033E: ±15kV ESD-protected, +3.3V, quad RS-422 transmitters; (4)For fail-safe applications: MAX3080–MAX3089: fail-safe, high-speed (10Mbps), slew-rate-limited RS-485/RS-422 transceivers; (5)For low-voltage applications: MAX3483E/MAX3485E/MAX3486E/MAX3488E/ MAX3490E/MAX3491E: +3.3V powered, ±15kV ESD-protected, 12Mbps, slew-rate-limited,true RS-485/RS-422 transceivers.

Diagrams