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2. IC power-supply pin - Wikipedia

   en.wikipedia.org/wiki/IC_power-supply_pin

   For example, V USB for the supply delivered to a USB device (nominally 5 V), V BAT for a battery, or V ref for the reference voltage for an analog-to-digital converter. Systems combining both digital and analog circuits often distinguish digital and analog grounds (GND and AGND), helping isolate digital noise from sensitive analog circuits.

3. Analog-to-digital converter - Wikipedia

   en.wikipedia.org/wiki/Analog-to-digital_converter

   4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on an X-Fi Fatal1ty Pro sound card AD570 8-bit successive-approximation analog-to-digital converter AD570/AD571 silicon die INTERSIL ICL7107. 3.5 digit (i.e. conversion from analog to a numeric range of 0 to 1999 vs. 3 digit range of 0 to 999, typically used in meters, counters, etc ...

4. Mixed-signal integrated circuit - Wikipedia

   en.wikipedia.org/wiki/Mixed-signal_integrated...

   However, analog and digital components have very different power needs and consumption characteristics, which makes this a non-trivial goal in chip design. Mixed-signal functionality involves both traditional active elements (like transistors ) and well-performing passive elements (like coils , capacitors , and resistors ) on the same chip.

5. Voltage reference - Wikipedia

   en.wikipedia.org/wiki/Voltage_reference

   Voltage references are used in power supplies, analog-to-digital converters, digital-to-analog converters, and other measurement and control systems. Voltage references vary widely in performance; a regulator for a computer power supply may only hold its value to within a few percent of the nominal value, whereas laboratory voltage standards ...

6. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. As a result, power supplies are sometimes referred to as electric power converters. Some power supplies are ...

7. Digital electronics - Wikipedia

   en.wikipedia.org/wiki/Digital_electronics

   Since digital circuits are made from analog components, digital circuits calculate more slowly than low-precision analog circuits that use a similar amount of space and power. However, the digital circuit will calculate more repeatably, because of its high noise immunity.