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MB90800 Datasheet(PDF) 83 Page - Fujitsu Component Limited. |
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MB90800 Datasheet(HTML) 83 Page - Fujitsu Component Limited. |
83 / 92 page ![]() MB90800 Series DS07-13733-6E 83 6. Definition of A/D Converter Terms Resolution Analog variation that is recognized by an A/D converter. The 10-bit can resolve analog voltage into 210 = 1024. Total error This shows the difference between the actual voltage and the ideal value and means a total of error because of offset error, gain error, non-linearity error and noise. Linearity error Deviation between a line across zero-transition line (00 0000 0000 ↔00 0000 0001) and full-scale transition line (11 1111 1110 ↔11 1111 1111) and actual conversion characteristics. Differential linear error Deviation of input voltage, which is required for changing output code by 1 LSB, from an ideal value. (Continued) 3FFH 3FEH 3FDH 004H 003H 002H 001H AVSS (AVRL) AVCC (AVRH) 0.5 LSB 1.5 LSB {1 LSB × (N − 1) + 0.5 LSB} Total error Actual conversion characteristic VNT (measurement value) Analog input Total error of digital output N = VNT − {1 LSB × (N − 1) + 0.5 LSB} 1 LSB VOT(Ideal value) = AVSS + 0.5 LSB [V] VFST(Ideal value) = AVCC − 1.5 LSB [V] 1LSB(Ideal value) = AVCC − AVSS 1024 [V] Actual conversion characteristics Ideal characteristics [LSB] VNT: A voltage at which digital output transitions from (N − 1)H to NH. N : A/D converter digital output value |
Similar Part No. - MB90800_09 |
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Similar Description - MB90800_09 |
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