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where used

Level shifting devices can be used in almost any place within an application’s signal chain where the interfacing devices reside on different voltage domains. Some common areas where level shifters are used include data interfaces between processors and peripheral devices, between devices on common control buses such as I2C, SPI, and SMBus that are on different voltage rails, and application specific devices such as Codecs, SD card interfaces, and LCDs that tend to have specific I/O voltage requirements. In all cases, level shifters help bridge voltage domain differences so that data interfaces between devices can be connected together without any signal compatibility issues arising.

PTM Published on: 2016-12-16