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ADC calculator – voltage to RAW value

Converts an analog voltage into the raw converter value and back. Resolution is configurable from 1 to 16 bits and the reference voltage is free to choose, which makes the calculator useful when sizing the measuring range of a microcontroller analog input, for example in the PIC and STM32 families.

ADCCalculator

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{{ t.secConfig }}
{{ numberOfBits }}-bit
1481216
⚠ {{ errors.ref }}
{{ t.secAnaRaw }}
⚠ {{ errors.voltage }}
{{ rawFromVoltage }} —
RAW max = {{ maxRaw }} LSB = {{ lsbVoltage }} V
{{ t.secRawAna }}
⚠ {{ errors.raw }}
{{ voltageFromRaw }} V —
{{ t.samples }} 2^{{ numberOfBits }} = {{ totalSamples }}

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Sizing the measuring range is only the first step — the schematic, the board and the firmware follow. If you need a finished device rather than just the numbers, see our custom electronics design offer.


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