LTC2877CDD#PBF

LTC2877CDD#PBF is a ±60V rugged PROFIBUS RS485 transceiver. It is designed to meet the test specifications for PROFIBUS-DP hosts and PROFIBUS-DP servers, fully compatible with IEC 61158-2, type 3: medium attachment unit (MAU). With operation up to 20Mbps, the LTC2877 supports all PROFIBUS data rates up to 12Mbps. The LTC2877 is exceptionally robust, tolerating ±60V faults on the bus pins and protected to ±52kV ESD. This device is suitable for harsh environments or where 24V power might be inadvertently connected. Extended ±25V input common mode range and full failsafe operation improve data communication reliability in noisy systems. The LTC2877 meet PROFIBUS and RS485 specifications with a supply voltage of 4.5V to 5.5V but can operate down to 3V with reduced supply current. Application includes PROFIBUS-DP, industrial communication networks, RS485 and RS422 systems, 3V low voltage differential signalling.

• Logic supply pin, PROFIBUS IEC 61158-2 compliant
• Protected from overvoltage line faults to ±60V
• ±52kV ESD interface pins, ±15kV all other pins
• ±2kV (Level 4) IEC61000-4-4 fast transient burst, ±25V working common mode range
• Receiver failsafe for open, shorted and terminated conditions
• 1.65V to 5.5V logic supply pin for flexible digital interfacing
• 5V supply can operate down to 3V for low power, low swing applications
• 5V supply can operate down to 3V for low power, low swing applications
• Driver rise or fall time is 4ns typical at (VCC = 3.3V or 5V)
• 10 lead plastic DFN package, operating ambient temperature range from 0°C to 70°C

附註

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