PROFIBUS Transceivers offer high differential output swing.
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Press Release Summary:
Offering 52 Mbps data rate with minimum differential output swing of 2.4 V, XR548xE Series RS-485/RS-422 Transceivers are designed for bidirectional communication on multipoint bus transmission lines. Model XR5488E is half-duplex while Models XR5486E and XR5487E are full-duplex. Operating from 5.0 V, each contains 1 differential driver and 1 differential receiver. Units offer ESD protection and are designed to failsafe to logic high output state if inputs are left un-driven/shorted.
Original Press Release:
Exar Launches Ultra High-Speed (52 Mbps) RS-485/RS-422 PROFIBUS Transceiver Family with High-Differential Output Voltage Swing (2.4V)
Advanced Features like Superior Electrostatic Discharge (ESD) Protection, Hotswap and Failsafe Make the XR548x Devices Ideal for Harsh Industrial Environments
FREMONT, Calif., -- Exar Corporation (NASDAQ:EXAR) announced today its second generation PROFIBUS transceiver family -XR5486E, XR5487E, and XR5488E. The transceivers offer 52 Mbps with a high-differential output swing (minimum 2.4V) which makes them ideal for industrial markets including applications such as field bus networks, high-speed motor control, factory automation, building automation, security systems and remote meter reading, amongst others.
"The XR548xE series is unique in the industry; it supports 52 Mbps and higher driver output swing giving designers maximum design flexibility for PROFIBUS and ultra high-speed RS-485/RS-422 communications applications," said Hensen Wong, technical marketing manager, Interface Product Line. "The series has standard pin out and low power consumption which enable customers to easily migrate to high-speed applications with significantly reduced time-to-market."
Series Features
The XR548xE series is designed for reliable, bidirectional communication on multipoint bus transmission lines. Each device contains one differential driver and one differential receiver. The XR5488E is a half-duplex device, while the XR5486E and XR5487E are full-duplex. All devices comply with TIA/EIA-485 and TIA/EIA-422 standards. Lead-free and RoHS compliant packages are available for all models.
All three devices are ruggedized for use in harsh operating conditions over the entire common-mode voltage range from -7 to +12V. The higher differential driver output swing enables more reliable communication over longer cable lengths. Receivers are specially designed to fail-safe to a logic high output state if the inputs are left un-driven or shorted. All RS-485 bus-pins are protected against severe ESD events up to +/-15kV (Air-Gap and Human Body Model) and up to +/-8kV Contact Discharge (IEC-61000-4-2). Drivers are protected from excess current flow caused by bus contention or output short-circuits by both an internal current limit and a thermal-overload shutdown. Devices are rated for Industrial (-40 to +85 degrees C) operating temperatures. Receivers have exceptionally high input impedance, which places only 1/8th the standard load on a shared bus. Up to 256 transceivers may coexist while preserving full signal margin.
All devices operate from a single 5.0V power supply and draw negligible quiescent power. All versions except the XR5487E may independently enable and disable their driver and receiver and enter a low power shutdown mode if both driver and receiver are disabled. All outputs maintain high impedance in shutdown or when powered-off.
Prices, Packages, Availability and Additional Information
The XR5486E is available now in volume quantities in a RoHS compliant, halogen free 14-pin nSOIC package. Pricing starts at $1.30 per unit for 1K pieces. Additional information on this product can be found at www.exar.com/Common/Content/ProductDetails.aspx?ID=XR5486E. The XR5487E is available now in volume quantities in a RoHS compliant, halogen free 8-pin nSOIC package. Pricing starts at $1.30 per unit for 1K pieces. Additional information on this product can be found at www.exar.com/Common/Content/ProductDetails.aspx?ID=XR5487E . The XR5488E is available now in volume quantities in a RoHS compliant, halogen free 8-pin nSOIC package. Pricing starts at $1.30 per unit for 1K pieces. Additional information on this product can be found at: www.exar.com/Common/Content/ProductDetails.aspx?ID=XR5488E. Additional information on Exar's other transceiver solutions can be found at: www.exar.com/Common/Content/Product.aspx?Parent=1&ID=118 .
About Exar
Exar Corporation delivers highly differentiated silicon, software and subsystem solutions for industrial, datacom and storage applications. For nearly 40 years, Exar's comprehensive knowledge of end-user markets along with the underlying analog, mixed signal and digital technology has enabled innovative solutions that meet the needs of the evolving connected world. Exar's product portfolio includes power management and interface components, communications products, storage optimization solutions, network security and applied service processors. Exar has locations worldwide providing real-time customer support to drive rapid product development.
For more information about Exar, visit: www.exar.com/.
