SP3485EN-L/TR

SP3485EN-L/TR is the tape-and-reel NSOIC-8 ordering code for the MaxLinear SP3485 low-power RS-485/RS-422 transceiver, shown as Active in the ordering table on the MaxLinear product page. It is a half-duplex device for 3.3 V systems, carries data to 10 Mbps, and holds at least 1.5 V differential output into a 27 Ω load (2 V minimum into 50 Ω), while the receiver switches on thresholds inside ±0.2 V across a -7 V to +12 V common-mode range, with 20 mV typical hysteresis and 425 µA typical supply current (2 mA maximum). The selection point is native 3.3 V operation: microcontroller UARTs on 3.3 V rails drive the bus directly, with no 5 V transceiver and no level translation in between - the standard pattern for metering, building control and industrial sensor buses. Selection advice: the EN-L code is the NSOIC-8 form and /TR is its reel packing, so quote the suffix in full; the pinout follows the industry-standard 75176 pattern, but most of that family runs at 5 V, so check supply voltage first when second-sourcing. Parameters verified against the MaxLinear SP3485 datasheet Rev. 2.0.2 (ordering information and electrical tables).