The SNx5HVD308xE devices are half-duplex transceivers designed for RS-485 data bus
networks. Powered by a 5-V supply, they are fully compliant with TIA/EIA-485A standard. With
controlled transition times, these devices are suitable for transmitting data over long
twisted-pair cables. SN65HVD3082E and SN75HVD3082E devices are optimized for signaling rates up to
200 kbps. The SN65HVD3085E device is suitable for data transmission up to 1 Mbps, whereas the
SN65HVD3088E device is suitable for applications that require signaling rates up to 20 Mbps.
These devices are designed to operate with very low supply current, typically 0.3 mA,
exclusive of the load. When in the inactive-shutdown mode, the supply current drops to a few
nanoamps, which makes these devices ideal for power-sensitive applications.
The wide common-mode range and high ESD-protection levels of these devices makes them
suitable for demanding applications such as energy meter networks, electrical inverters, status and
command signals across telecom racks, cabled chassis interconnects, and industrial automation
networks where noise tolerance is essential. These devices match the industry-standard footprint of
the SN75176 device. Power-on-reset circuits keep the outputs in a high-impedance state until the
supply voltage has stabilized. A thermal-shutdown function protects the device from damage due to
system fault conditions. The SN75HVD3082E is characterized for operation from 0°C to 70°C and
SN65HVD308xE are characterized for operation from –40°C to 85°C air temperature. The D package
version of the SN65HVD3082E has been characterized for operation from –40°C to 105°C.
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