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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The SN751177 and SN751178 dual differential drivers and receivers are monolithic integrated circuits that are designed for balanced multipoint bus transmission at rates up to 10 Mbit/s. They are designed to improve the performance of full-duplex data communications over long bus lines and meet ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.10 and V.11.
The SN751177 and SN751178 driver outputs provide limiting for both positive and negative currents and thermal-shutdown protection from line-fault conditions on the transmission bus line.
The receiver features high input impedance of at least 12k , an input sensitivity of ±200 mV over a common-mode input voltage range of -12 V to 12 V, and typical input hysteresis of 50 mV. Fail-safe design ensures that if the receiver inputs are open, the receiver outputs always will be high.
The SN751177 and SN751178 are characterized for operation from -20°C to 85°C.
Meet or Exceed the Requirements of ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.10 and V.11
Designed for Multipoint Bus Transmission on Long Bus Lines in Noise Environments
Driver Positive- and Negative-Current Limiting
Thermal Shutdown Protection
Driver 3-State Outputs
Receiver Common-Mode Input Voltage Range of -12 V to 12 V
Receiver Input Sensitivity...±200 mV
Receiver Hysteresis...50 mV Typ
Receiver Input Impedance...12k Min
Receiver 3-State Outputs (SN751177 Only)
Operate From Single 5-V Supply

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SN751177 Specifications

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- Delivery date: usually 2 to 7 working days.
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- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
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