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Image of Texas Instruments Data Converter Basics

Data converters are the interface between the analog and digital domains. They convert analog signals to digital signals, and vice versa. Systems typically have interfaces to the real-world in an analog form. For instance, there can be a temperature input, or a sound output. The only way for a DSP or a microcontroller to work with these signals is to first convert them into the digital domain and then convert them back to the analog domain. Thus, there is a strong need for data converters. Typically, data converters receive analog inputs from a sensor after some form of signal conditioning and then feed digital signals to a DSP or microcontroller. Data converters also accept digital signals from a DSP or microcontroller to produce analog signals for an amplifier or some sort of output device, such as a speaker.

PTM Published on: 2009-02-16