MAX13442EASA+

MAX13442EASA+ is a transceiver that features a reduced slew-rate driver that minimizes EMI and reflections, allowing error-free transmission up to 250kbps. The device operates from a 5V supply. True fail-safe inputs guarantee a logic-high receiver output when receiver inputs are open, shorted, or connected to an idle data line. Hot-swap circuitry eliminates false transitions on the data bus during circuit initialization or connection to a live backplane. Short-circuit current-limiting and thermal-shutdown circuitry protect the driver against excessive power dissipation, and on-chip ±15kV ESD protection eliminates costly external protection devices. Applications include RS-422/RS-485 communications, truck and trailer applications, industrial networks, telecommunications systems, automotive applications, and HVAC controls.

• Allow up to 128 transceivers on the bus, industry-standard pinout
• RS-485 type, 0.25Mbps data rate, ±80V fault protection
• Low power shutdown, receiver/driver enable
• Driver propagation delay is 2000ns at RL=54ohm, CL=50pF
• Driver-input high voltage is 2V at VCC=+4.75V to +5.25V, TA=TMIN to TMAX
• Driver short-circuit output current is +350mA at 0V ≤ VOUT ≤ +12V
• Receiver input resistance is 48Kohm at -7V ≤ VCM ≤ +12V, VCC=+4.75V to +5.25V, TA=TMIN to TMAX
• Supply current in shutdown mode is 20µA max at DE=GND, active-low RE=VCC
• 8 SO package
• Temperature range from -40°C to +125°C

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