LTC2856CMS8-2#PBF

LTC2856 is a low power, RS485/RS422 transceiver operating on 5V supplies at maximum data rates of 250kbps for low EMI. The receiver has a one-eighth unit load, supporting up to 256 nodes per bus (C, I-Grade), and a failsafe feature that guarantees a high output state under conditions of floating or shorted inputs. The driver maintains a high output impedance over the entire common mode range when disabled or when the supply is removed. Excessive power dissipation caused by bus contention or a fault is prevented by current limiting all outputs and by thermal shutdown. Enhanced ESD protection allows these parts to withstand ±15kV (human body model) on the transceiver interface pins without latchup or damage. Typical applications include low power RS485/RS422 transceiver, level translator, backplane transceiver.

• Half duplex, with enables
• Slew rate limited
• Guaranteed failsafe receiver operation over the entire common mode range
• Power up/down glitch-free driver outputs
• Low operating current: 900µA maximum in receive mode
• Compatible with TIA/EIA-485-A specifications
• Low power shutdown mode
• 8-lead plastic MSOP package
• Operating temperature range from 0°C to 70°C

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