SN75179B Description
The SN75179B is a differential driver and receiver pair designed for balanced transmission-line applications and meets TIA/EIA-422-B, TIA/EIA-485A, and ITU Remendation V.11. The device is designed to improve the performance of full-duplex data munications over long bus lines. The SN75179B driver output provides limiting for both positive and negative currents.
SN75179B Key Features
- Meets or exceeds the requirements of TIA/EIA-422-B, TIA/EIA-485-A, and ITU Remendation 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