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19-2396; Rev 0; 4/02
Quad Bus LVDS Transceiver in 44 QFN
General Description
The MAX9158 is a quad bus LVDS (BLVDS) transceiver for heavily loaded, half-duplex multipoint buses. A 44lead QFN package and flow-through pinout allow the transceiver to be placed near the connector. The MAX9158 drives LVDS levels into a 27Ω load (double terminated, heavily loaded LVDS bus) at up to 200Mbps. An input fail-safe circuit ensures the receiver output is high when the differential inputs are open, or undriven and shorted, or undriven and terminated. The MAX9158 operates from a single 3.3V supply, consuming 77mA supply current with drivers enabled, and 19.9mA with drivers disabled.