UTRS3088

DESCRIPTION 

The UTC UTRS3088 is a half-duplex transceiver designed for 

RS-485 data bus network, which contains one transmitter and one 

receiver. The UTC UTRS3088 features a fail-safe receiver, which 

guarantees the receiver to output high when the receiver inputs are 

open, short or idle. 

The UTC UTRS3088 also features a hot-swap glitch free 

protection circuits which guarantee outputs of both the transmitter and 

the receiver in a high impedance state during the power up period. So 

that the large short current from power to ground will be disable by 

glitch free function, which will save the power and enhance the 

efficiency of the power up. 

The UTC UTRS3088 is optimized for signal rates up to 1.0Mbps 

with differential voltage of 2.3V. The UTC UTRS3088 also has the 

thermal shutdown function when the temperature is over 150℃ and 

the protection of the current limitation in the transmitter to protect the 

itself from the damage by the system-fault conditions during normal 

operation.

FEATURES 

* Meet the requirements of the EIA/TIA-485 standards. 

* 5.0V single power supply. 

* 1µA low-current shutdown mode. 

* HBM ±15kV ESD protection for Transmitter Output 

* True fail-safe receiver while maintaining EIA/TIA-485 compatibility. 

* Hot-Swap glitch free protection on control inputs. 

* Up to 256 transceivers on the bus. 

* Maximum baud rate up to 1.0Mbps. 

* Transmitter short circuit current limit. 

* Thermal shutdown for overload protection.

规格书UTRS3088