Quadruple RS-485 Differential Line Receivers

The SN65LBC175A and SN75LBC175A are

quadruple differential line receivers with 3-state outputs, designed for TIA/EIA-485

(RS-485), TIA/EIA-422 (RS-422), and ISO 8482 (Euro RS-485) applications.

These devices are optimized for

balanced multipoint bus communication at data rates up to and exceeding 50 million

bits per second. The transmission media may be twisted-pair cables, printed-circuit

board traces, or backplanes. The ultimate rate and distance of data transfer is

dependent upon the attenuation characteristics of the media and the noise coupling

to the environment.

Each receiver operates over a wide

range of positive and negative common-mode input voltages, and features ESD

protection to 6 kV, making it suitable for high-speed multipoint data transmission

applications in harsh environments. These devices are designed using LinBiCMOS™,

facilitating low power consumption and inherent robustness.

Two EN inputs provide pair-wise enable

control, or these can be tied together externally to enable all four drivers with

the same signal.

The SN75LBC175A is characterized for

operation over the temperature range of 0°C to 70°C. The SN65LBC175A is

characterized over the temperature range from −40°C to 85°C.