PinoutSpecificationsSupply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 VVoltage range at any bus terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 V to 15 V Differential input voltage (see Note 2) . . . . . . . . . ....
SN75179A: PinoutSpecificationsSupply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 VVoltage range at any bus terminal . . . . . . . . . . . . . . . ....
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The SN75179A driver and bus receiver circuit is a monolithic integrated device designed for balanced transmission line applications, and meets EIA Standards RS-422A, RS-423A, and CCITT Recommendations V.11 and X.27. It is designed to improve the performance of data communications over long bus lines.
The SN75179A features positive- and negativecurrent limiting for the driver and receiver. 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 12 V to 12 V.
The driver SN75179A provides thermal shutdown for protection from line fault conditions. Thermal shutdown is designed to occur at a junction temperature of approximately 150°C. The device is designed to drive current loads of up to 60 mA maximum.
The SN75179A is characterized for operation from 0°C to 70°C.