Exar – XR33180/81/83/84: High Speed RS-485/ RS-422 Receivers with ±15kV ESD Protection

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The XR33180/81/83/84 (XR3318x) operate from either a 3.3V or 5V supply and are available in tiny 5-pin and 6-pin TSOT23 packages, ideal for high speed point-to- point RS-485 applications where space is a concern. The XR33184 includes a low voltage logic pin that eliminates the need for a level shifter when interfacing to MCUs or FPGAs that run off of lower supply voltages. The XR33180/81/83/84 (XR3318x) receiver input impedance is at least 48kΩ (1/4 unit load), allowing more than 128 devices on the bus. The bus pins are ESD protected and pass IEC61000 level 4 (±15kV).

FEATURES
• Max 52Mbps data rate
• ±15kV ESD protection (HBM and air discharge) Absolute minimum pin count option (XR33180)
• Tri-state RO options (XR33181 and XR33183)
• Adjustable I/O supply option (XR33184)
• 3.0V to 5.5V supply operation
• Enhanced receiver failsafe protection
• -40°C to +125°C ambient operating temperature range
• TSOT23-5 and TSOT23-6 packaging
• 1k MSRP: starting at $0.55

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