USB-DUO bundles USB bridge controller ICs with RS232 transceiver IC, providing platform for creating USB-to-RS232 converter cabling systems supporting speeds up to 250 Kbps. While FT231XS provides USB-to-UART conversion operation, FT3243S transceiver provides digital-to-RS232 conversion – translating 3.3 V level UART signal from FT231XS to RS232 voltage levels. Product operates from -40 to +85°C and draws 9 mA when active or 135 µA when FT231XS X-Chip element is in suspend mode.
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