RS-232, RS-422, RS-485 transceiver ICs from UTD Semiconductor

14.11.2022

UTD Semiconductor Co.,Ltd is a large Chinese company founded in 2009 as a Sino-Taiwanese joint venture that manufactures products under the UMW and Youtai trademarks. The company is mainly engaged in the production of analog power control chips, logic chips, MOSFET transistors, ESD protection devices, motor drivers, rectifier bridges and other popular electronic components of European and American manufacturers.

UTD Semiconductor's engineering team consists of experienced professional experts in the field, with several leading international product lines and a complete IC design system. The company's products have passed the ISO9001:2015 quality management system certification and are certified by UL, CQC, SGS.

The product range includes analogues of RS-232, RS-422, RS-485 interface transceivers capable of replacing the products of Analog Devices, Maxim Integrated and ST Microelectronics.

Name Standard Driver/Receiver Working mode ESD protection Transfer rate Frame
ADM232AARNZ RS-232 2/2 full-duplex Not 120kbps (Min.) SOIC-16
ADM3232EARNZ RS-232 2/2 full-duplex ±15kV (HBM) 235 kbps (Typ.) SOIC-16
ADM3485EARZ RS-422, RS-485 1/1 half-duplex Not 12 Mbps (Max.) SOIC-8
ADM485ARZ RS-422, RS-485 1/1 half-duplex Not 2.5 Mbps (Max.) SOIC-8
MAX232ESE RS-232 2/2 full-duplex ±2kV 120kbps (Min.) SOIC-16
MAX3232ESE RS-232 2/2 full-duplex ±8kV (HBM) 120…250 Kbit/s SOIC-16
MAX3485ESA RS-422, RS-485 1/1 half-duplex Not 12 Mbps (Max.) SOIC-8
MAX485ESA RS-422, RS-485 1/1 half-duplex Not 2.5 Mbps (Max.) SOIC-8
ST232BDR RS-232 2/2 full-duplex ±2kV 120kbps (Min.) SOIC-16
ST3232BDR RS-232 2/2 full-duplex ±8kV (HBM) 120…250 Kbit/s SOIC-16