STMicroelectronics ST4E1250F
The ST4E1250F is a low-power differential line transceiver for data transmission standard RS485 applications in full-duplex mode. It is ideal for multi-point applications in a constraint and difficult industrial environment. It is robust to ESD transients.FEATURES
● Meets or exceeds the requirements of the TIA/EIA-485A standard● 3 V to 5.5 V supply voltage
● Differential output exceeds 2.1 V for PROFIBUS compatibility with 5 V supply
● High speed: up to 50 Mbps data rate
● Up to 128 bus nodes
● Receiver hysteresis of 70 mV
● Full-duplex topology
● Integrated protections – Fail-safe receiver (bus open, idle, and shorted) – Thermal shutdown protection – Hot swap capability – Bus I/O ESD protection ◦ ±12 kV IEC61000-4-2 contact discharge ◦ ±30 kV HBM ◦ ±4 kV IEC61000-4-4 fast transient burst
● Low quiescent current in shutdown mode
● -40 °C to +125 °C operating temperature
● Available in DFN10 industry standard
APPLICATIONS
● Motion controllers● Optical network
● Building automation and safety
● Video surveillance (building, traffic monitoring)
● Backplane bus
● Grid infrastructure
● Robotics
DESCRIPTION
ST4E1250F operates up to 50 Mbps. It is robust to ESD transients. In particular, the bus pins support ±12 kV IEC 61000-4-2 contact discharge.