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Texas Instruments ISO676x 6-Ch Reinforced Digital Isolators are designed for cost-sensitive applications requiring up to 5000VRMS isolation ratings per UL 1577. The ISO676x is certified by VDE, TUV, CSA, and CQC.
The high-performance isolators feature high electromagnetic immunity and low emissions at low power consumption while isolating CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by TI’s double capacitive silicon dioxide (SiO2) insulation barrier. The ISO676x is available in a variety of possible pin configurations such that all 6 channels are in the same direction, or 1, 2, or 3 channels are in reverse order. In contrast, the remaining channels are in a forward direction. The default output is high for devices without suffix F during input power or signal loss and low for devices with suffix F.
These devices help prevent noise currents on data buses, such as UART, SPI, RS-485, RS-232, and CAN, from damaging sensitive circuitry using isolated power supplies. Through innovative chip design and layout techniques, the electromagnetic compatibility of the ISO676x isolators has been dramatically enhanced to ease system-level ESD, EFT, surge, and emissions compliance.
The ISO676x family is housed in a 16-pin SOIC wide-body (DW) package and is a pin-to-pin upgrade to older generations.
