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      參數(shù)資料
      型號(hào): MB90F347CESPF
      廠商: FUJITSU COMPONENT LTD
      元件分類: 微控制器/微處理器
      英文描述: 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP100
      封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
      文件頁數(shù): 66/85頁
      文件大?。?/td> 1173K
      代理商: MB90F347CESPF
      MB90340E Series
      69
      6.
      Definition of A/D Converter Terms
      (Continued)
      Resolution
      : Analog variation that is recognized by the A/D converter.
      Non linearity
      error
      : The deviation between the actual conversion characteristics and a line that joins the
      zero-transition line ( “00 0000 0000”
      ← → “00 0000 0001” ) to the full-scale transition line
      ( “11 1111 1110”
      ← → “11 1111 1111” ) .
      Differential
      linearity error
      : Deviation of input voltage, which is required for changing output code by 1 LSB, from an
      ideal value.
      Total error
      : Difference between the actual value and the ideal value. The total error includes zero
      transition error, full-scale transition error, and linear error.
      3FFH
      3FEH
      3FDH
      004H
      003H
      002H
      001H
      AVRL
      AVRH
      VNT
      1.5 LSB
      0.5 LSB
      {1 LSB
      × (N 1) + 0.5 LSB}
      Actual conversion
      characteristics
      (Actually-measured value)
      Actual conversion
      characteristics
      Ideal characteristics
      Digital
      output
      Analog input
      Total error
      Total error of digital output “N”
      =
      VNT
      {1 LSB × (N 1) + 0.5 LSB}
      1 LSB
      [LSB]
      1 LSB (Ideal value)
      =
      AVRH
      AVRL
      1024
      [V]
      VOT (Ideal value)
      = AVRL + 0.5 LSB [V]
      VFST (Ideal value)
      = AVRH 1.5 LSB [V]
      VNT : A voltage at which the digital output transitions from (N
      1) to N.
      N : Value of the digital output from the A/D converter
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