SN75179BP Differential Driver And Receiver Pair IC

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Description The SN75179B is a differential driver and receiver pair designed for balanced transmission-line applications and meets TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11. The device is designed to improve the performance of full-duplex data communications over long bus lines. The SN75179B driver output provides limiting for both positive and negative currents. The receiver features high input impedance, input hysteresis for increased noise immunity, and input sensitivity of ±200 mV over a common mode input voltage range of –7 V to 12 V. The driver provides thermal shutdown for protection from line fault conditions. Thermal shutdown is designed to occur at a junction temperature of approximately 150°C. The SN75179B is designed to drive current loads of up to 60 mA maximum. The SN75179B is characterized for operation from 0°C to 70°C. Features Meets or exceeds the requirements of TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11 Bus voltage range: –7 V to 12 V Positive- and negative-current limiting Driver output capability: 60 mA Max Driver thermal-shutdown protection Receiver input impedance: 12 kΩ Min Receiver input sensitivity: ±200 mV Receiver input hysteresis: 50 mV Typ Operates from single 5-V supply Low power requirements Specifications Product Attribute Attribute Value Product Category: RS-422/RS-485 Interface IC Series: SN75179B Mounting Style: Through Hole Package/Case: PDIP-8 Function: Transceiver Number of Drivers: 1 Driver Number of Receivers: 1 Receiver Data Rate: 10 Mb/s Supply Voltage – Max: 5 V Supply Voltage – Min: 5 V Minimum Operating Temperature: 0 C Maximum Operating Temperature: + 70 C Duplex: Full Duplex Operating Supply Current: 70 mA Operating Supply Voltage: 5 V Product Type: RS-422/RS-485 Interface IC SN75179B Datasheet