ST4485EB Overview
The ST4485EB device is a ± 15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 munications. The device contains one driver and one receiver in half duplex configuration. The ST4485EB transmits and receives at a guaranteed data rate of at least 20 Mbps. All transmitter outputs and receiver inputs are protected to ± 15 kV using “Human Body Model”. The driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. Order code ST4485EBDR Table 1. Device summary Temperature range Package -40 to 105 °C SO-8 (tape and reel) Packaging 2500 parts per reel June 2017 This is information on a product in full production. DocID025158 Rev 3 1/18 Contents ST4485EB 1
ST4485EB Key Features
- ESD protection
- ± 15 kV human body model
- ± 8 kV IEC 1000-4-2 contact discharge
- Operate from a single 3.3 V supply
- no charge pump required
- Interoperable with 5 V logic
- 1 µA low current shutdown mode max
- Guaranteed 20 Mbps data rate
- 7 to 12 V mon mode input voltage range
- Half duplex versions available