MAX3490 - Maxim

MAX3490 True RS-485/RS-422 Transceivers

The MAX3483, MAX3485, MAX3486, MAX3488, MAX3490, and MAX3491 are 3.3V, low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver. The MAX3483 and MAX3488 feature slew-rate-limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at d.

Features

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● Operate from a Single 3.3V Supply— No Charge Pump!
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● Interoperable with +5V Logic
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● 8ns Max Skew (MAX3485/MAX3490/MAX3491)
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● Slew-Rate Limited for Errorless Data Transmission (MAX3483/MAX3488)
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● 2nA Low-Current Shutdown Mode (MAX3483/MAX3485/MAX3486/MAX3491)
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● -7V to +12V Common-Mode Input Voltage Range
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● Allows up to 32 Transceivers on the Bus
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● Full-Duplex and Half-Duplex Versions Available
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● Industry Standard 75176 Pinout (MAX3483/MAX3485/MAX3486)
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● Current-Limiting and Thermal Shutdown for Driver Overload Protection Ordering Information PART TEMP. RANGE PIN-PACKAGE MAX3483.