STMicroelectronics ST4E1216
The ST4E1216 and ST4E1240 are low-power differential line transceivers for data transmission standard RS485 applications in half-duplex mode, compatible with either 3.3 V or 5 V rail power supplies, fully operating from 3 V to 5.5 V. The ST4E1216 and the ST4E1240 operate respectively up to 16 Mbps and 40 Mbps. They are ideal for multipoint applications over extended cable runs.| Part No. | ST4E1216 |
|---|---|
| Datasheet | ST4E1216 Download |
| Manufacturer |  STMicroelectronics |
| Description | High-speed 3.3V / 5V RS485 transceiver |
| Buy | Stock & Price |
FEATURES
● Meets or exceeds TIA/EIA-485A standard requirements● 3 V to 5.5 V supply voltage
● Differential output voltage (VOD) exceeds 2.1 V at 5 V supply for PROFIBUS compatibility
● High speed: up to 40 Mbps data rate
● More than 64 transceivers on the bus (up to 100 nodes)
● Integrated protections – Fail-safe receiver (bus open, idle, and shorted) – Thermal shutdown protection – Hot-swap capability (with parasitic capacitance up to 100 pF) – Bus I/O ESD protection ◦ ±12 kV IEC61000-4-2 contact discharge ◦ ±30 kV HBM ◦ ±4 kV IEC61000-4-4 class-A fast transient burst (EFT)
● Low quiescent current in shutdown mode
● Available in industry standard SO-8 and DFN8 for the ST4E1240
APPLICATIONS
● Factory automation and control● Motion controllers
● Building automation and safety
● Video surveillance (building, traffic monitoring)
● Backplane busses
● Grid infrastructure
● Data acquisition (smart meters, seismic networks)
DESCRIPTION
They are robust to ESD transients. In particular, the bus pins support ±12 kV IEC 61000-4-2 contact discharge.
