![]() Bipolar converters are frequently used in signal processing applications, where the signals by nature are bipolar. Unipolar A/D converters accept unipolar input voltages in the range 0 to +0V, and bipolar A/D converters accept bipolar input voltages in the range ±V. ![]() ![]() There are many analog-to-digital converter chips available on the market, and an embedded systems designer should understand the characteristics of such chips so they can be used efficiently.Īs far as the input and output voltage are concerned A/D converters can be classified as either unipolar and bipolar. The A/D converts an analog input voltage into a digital number so it can be processed by a microcontroller or any other digital system. 2.1.11 Analog-to-Digital Converter (A/D) ModuleĪn analog-to-digital converter (A/D) is another important peripheral component of a microcontroller.
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