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Low-Power RS-485 Transceiver with Low-Voltage Interface

Exar Corp. recently announced the XR33202, which is a half-duplex, 20-Mbps RS-485 (TIA/EIA-485) transceiver optimized to operate over a wide 3-to-5.5-V supply voltage range. The transceiver includes an adjustable low voltage logic interface and features the industry’s lowest standby current of 3 µA (maximum), 0.05 µA (typical). The device’s wide operating voltage range, flexible logic interface, and low standby current make it ideal for battery-powered and multi-voltage systems.EX052_XR33202_Exar

The XR33202 exceeds the highest ESD rating of IEC 61000-4-2 Level 4. It also includes protection features such as hot swap glitch, overload and enhanced receiver fail-safe for open, shorted or terminated idle data lines.

Specified over an extended temperature range of –40°C to 125°C, the XR33202 is offered in RoHS compliant, green/halogen free, space-saving 3 mm × 3 mm DFN package. One thousand-piece pricing starts at $1.60 each.

Summary of features:

  • Wide 3-to-5.5-V supply operation
  • 1.65 to 5.5 V I/O logic interface VL pin
  • Less than 3 µA (max) standby current
  • 20 Mbps maximum data rate
  • Robust ESD protection for RS-485 bus pins
  • –40°C to 125°C ambient operating temperature range

Source: Exar Corp.


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