STMicroelectronics ST4485EB
The ST4485EB device is a ± 15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 communications. 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.APPLICATIONS
SO-8● Industrial systems control
● Telecommunications
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 common mode input voltage range
● Half duplex versions available
● Industry standard 75176 pinout
● Current limiting and thermal shutdown for driver overload protection
DESCRIPTION
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.