ISOW14x2 Isolated RS-485/RS-422 Transceiver with Integrated Low-Emissions, Low-Noise, High-Efficiency DC-DC Converter

1 Features

Meets or exceeds the requirements of the TIA/ EIA-485A standard
Data rates
- ISOW1412 : 500 kbps
- ISOW1432 : 12 Mbps
Integrated low-emissions DC-DC converter with low-emissions, low-noise
- Meets CISPR 32 Class B and EN 55032 Class B with margin on a two-layer PCB
- Low frequency power converter at 25 MHz enabling low noise performance
Additional 2 Mbps GPIO channel
High efficiency output power
- Typical efficiency: 46%
- V_ISOOUT accuracy: ±5%
- Additional output current: 20 mA
Independent power supply for RS-485 & DC-DC
- Logic supply (V_IO): 1.71 V to 5.5 V
- Power converter supply ( V_DD): 3 V to 5.5 V
RS-485 with PROFIBUS compatibility
- Open, short, and idle bus failsafe
- 1/8 unit load: up to 256 nodes on bus
- Glitch-free power up and power down
Reinforced and Basic isolation options
High CMTI: 100-kV/µs (typical)
High ESD bus protection
- HBM: ±16 kV
- IEC 61000-4-2 contact discharge: ±8 kV
Operating temperature range: -40°C to 125°C
Current limit and thermal shutdown
20-pin wide SOIC package

Section 8.6:
- VDE reinforced and basic insulation per DIN VDE V 0884-11:2017-01
- UL 1577 component recognition program
- IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB 4943.1-2011 certifications