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Home » NEWEST Products » New by Manufacturer » Exar » XR3160E Transceivers - Exar
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Exar XR3160E Transceivers

Exar XR3160E RS-232/RS-485/RS-422 Transceivers

Exar XR3160E RS-232/RS-485/RS-422 Transceivers are advanced multiprotocol transceivers that provide 15KV ESD protection. All transmitter outputs and receiver inputs provide robust electrostatic discharge (ESD) protection to ±15kV IEC 61000-4-2 Airgap, ±15kV Human Body Model (HBM) and ±8kV IEC 61000-4-2 Contact. Each receiver output includes full fail-safe protection to avoid system lockup, oscillation, or indeterminate states by defaulting to logic-high output level when the inputs are open, shorted, or terminated but undriven. High speed drivers operate up to 20Mbps in RS-485/422 modes, and up to 1Mbps in RS-232 mode. The RS-232 receiver inputs include a 5kΩ pull-down to ground when in RS-232 mode. The RS-485/422 receiver inputs are high impedance (>96kΩ), allowing up to 256 devices on a single communication bus (1/8th unit load). Operating from a single power supply, 3V to 5.5V, with low idle current, the shutdown mode consumes less than 1μA in low power standby operation with RS-232 receivers enabled. All drivers can be slew limited to 250kbps in any mode to minimize electromagnetic interference (EMI) by setting the dedicated SLEW pin low.

Features
  • Pin Compatible Upgrade for MAX3160 (20 SSOP)
  • IEC Level 4 ESD Protection
    • ±15kV IEC 61000-4-2 Air Gap Discharge
    • ± 8kV IEC 61000-4-2 Contact Discharge
  • 20Mbps RS-485 and 1Mbps RS-232 Data Rates
  • Pin-Selectable 250kbps Slew Limiting
  • Single Supply Operation from +3V to +5.5V
  • 2 Drivers, 2 Receivers RS-232/V.28
  • 1 Driver, 1 Receiver RS-485/422
    • Full or Half Duplex Configuration
    • 1/8th Unit Load, up to 256 receivers on bus
  • RS-485/422 Enhanced Receiver Fail-safe for open,shorted, or terminated but idle inputs
  • 10nA Shutdown Supply Current (typical)
Applications
  • Software Programmable Serial Ports(RS-232, RS-422, RS-485)
  • Embedded and Industrial PCs (IPC)
  • Process Control Equipment
  • Point-Of-Sales Equipment
  • Networking Equipment
  • HVAC Controls Equipment
  • Building Security and Automation
RS-232 Mode Block Diagram
RS-232 Mode Block Diagram
RS-485/422 Full Duplex Mode Block Diagram
RS-485/422 Full Duplex Mode Block Diagram
RS-485 Half Duplex Mode Block Diagram
RS-485 Half Duplex Mode Block Diagram
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