STMicroelectronics STR485E Low Power Differential Line Transceiver
STMicroelectronics STR485E Low Power Differential Line Transceiver is ideal for standard RS485 applications in half-duplex mode. Data and enable signals are compatible with 1.8V or 3.3V supplies. STMicroelectronics STR485E offers two selectable speeds through the SLR pin: fast data rate up to 20Mbps or slow data rate for extended cable running to 250 kbps.
Features
- Half-duplex RS485 transceiver
- 1.65V to 3.6V supply for data and enable signals
- 3V to 3.6V supply for bus supply
- High speed: up to 20Mbps data rate
- Low speed selected by SLR pin: 250kbps
- Up to 128 transceivers on the bus @ 125°C
- Fail safe receiver (bus open, idle and shorted)
- Thermal shutdown protection
- Low quiescent current in shutdown mode
- Extended temperature range : -40°C to +125°C
- Available in industry standard DFN10
- Bus-pin protection more than:
- ±4kV HBM protection
- ±8kV IEC61000-4-2 contact discharge
- ±16 kV IEC61000-4-2 air discharge
- Compliant IEC61000-4-4 fast transient burst Class B
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Published: 2019-12-09
| Updated: 2025-04-01