Linear Technology| LTC2881-82: Isolated RS485 & RS232 µModule Transceivers
MILPITAS, CA – March 26, 2012 – Linear Technology Corporation introduces automotive
(H-grade) and high reliability military (MP-grade) versions of the LTM2881 and LTM2882, isolated µModule® transceivers which guard against large ground-to-ground differentials and common-mode transients in RS485 and RS232 networks. The LTM2881 single RS485 and LTM2882 dual RS232 transceivers break ground loops by isolating the logic level interface and line transceiver using internal inductive signal isolation. This allows for a much larger
Two versions of the LTM2881 and LTM2882 are available to support 3.3V and 5V input supply voltages. Both devices are offered in low profile 11.25mm x 15mm surface mount LGA
(H-grade only) and BGA packages. All integrated circuits and passive components are housed in this Linear Technology, RoHS-compliant µModule package. Visit www.linear.com/isolators for product selection information.
Summary of Features: LTM2881 & LTM2882
• 2500VRMS UL Recognized Isolation (File #E15178)
• One RS485 (LTM2881) or Two RS232 (LTM2882) Transceivers
• Integrated DC Power: 5V at Up to 200mA
• No External Components Required
• Up to 20Mbps (LTM2881) or 1Mbps (LTM2882) Data Rate
• High ESD: ±15kV HBM (LTM2881) or ±10kV HBM (LTM2882) on Transceiver Interface
• High Common-Mode Transient Immunity: 30kV/us
• Integrated Selectable 120Ohm Termination (LTM2881)
• 3.3V or 5V Nominal Supply Voltage Options
• Common-Mode Working Voltage: 560VPEAK
• Small Footprint, Low Profile (11.25mm x 15mm) Surface Mount LGA & BGA Packages
Linear Technology Corporation, a member of the S&P 500, has been designing, manufacturing and marketing a broad line of high performance analog integrated circuits for major companies worldwide for three decades. The Company’s products provide an essential bridge between our analog world and the digital electronics in communications, networking, industrial, automotive, computer, medical, instrumentation, consumer, and military and aerospace systems. Linear Technology produces power management, data conversion, signal conditioning, RF and interface ICs, µModulesubsystems, and wireless sensor network products. For more information, visit www.linear.com
LT, LTC, LTM, µModule and are registered trademarks of Linear Technology Corp. All other trademarks are the property of their respective owners.
Linear Technology Corp.
1630 McCarthy Blvd.
Tel: +49 (0) 7131 9234–0
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