MAX33251EELC+

MAX33251EELC+ is a 600V isolated, RS-232 transceiver with ±15kV ESD and integrated capacitors. The isolation barrier protects the logic UART side from electrical transient strikes from the field side. It also breaks ground loops and large differences in ground potentials between the two sides that can potentially corrupt the receiving and sending of data. The isolated RS-232 transceiver has integrated charge pump and an inverter to eliminate the need for a high positive and negative voltage supply. Also have integrated charge pump and inverter capacitors to help further reduce PCB space. The supply pin VCCA on the UART logic side operates from a dual voltage supply from +3V to +5.5V. VCCB also operates from +3V to +5.5V, simplifying power requirements and enabling level translation between the two voltages. Suitable for diagnostics equipment, POS systems, industrial equipment, GPS equipment, communication systems, medical equipment.

• Channel configuration: 1 transmitter, 1 receiver
• MAX33251E conform to the EIA/ TIA-232E standard and operate at data rates up to 1Mbps
• High integration saves space and simplifies designs
• Integrated charge pumps and inverter eliminates extra power supplies
• Four internal capacitors saves PCB space
• Integrated isolator saves up to 63% versus a discrete solution
• Integrated protection for robust communications(600VRMS withstand isolation voltage for 60s (VISO))
• 200VRMS working voltage for >50 years (VIOWM) and integrated ±15kV ESD Human Body Model (HBM)
• 12 pin (6mm x 6mm) LGA package
• Temperature range from -40°C to +85°C

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