參數(shù)資料
      型號(hào): SA5230DR2
      廠商: ON Semiconductor
      文件頁數(shù): 6/18頁
      文件大?。?/td> 0K
      描述: IC OPAMP LOW VOLTAGE 8-SOIC
      產(chǎn)品變化通告: Product Obsolescence 11/Feb/2009
      標(biāo)準(zhǔn)包裝: 2,500
      放大器類型: 通用
      電路數(shù): 1
      輸出類型: 滿擺幅
      轉(zhuǎn)換速率: 0.25 V/µs
      增益帶寬積: 600kHz
      電流 - 輸入偏壓: 40nA
      電壓 - 輸入偏移: 400µV
      電流 - 電源: 1.1mA
      電流 - 輸出 / 通道: 32mA
      電壓 - 電源,單路/雙路(±): 1.8 V ~ 15 V,±0.9 V ~ 7.5 V
      工作溫度: -40°C ~ 85°C
      安裝類型: 表面貼裝
      封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
      供應(yīng)商設(shè)備封裝: 8-SOICN
      包裝: 帶卷 (TR)
      NE5230, SA5230, SE5230
      http://onsemi.com
      14
      By adding another NE5230 in an inverting summer
      configuration at the output of the halfwave rectifier, a
      fullwave can be realized. The values for the input and
      feedback resistors must be chosen so that each peak will
      have equal amplitudes. A table for calculating values is
      included in Figure 12. The summing network combines the
      input signal at the halfwave and adds it to double the
      halfwave’s output, resulting in the fullwave. The output
      waveform can be referenced to the supply or ground,
      depending on the halfwave configuration. Again, no
      diodes are needed to achieve the rectification.
      This circuit could be used in conjunction with the remote
      transducer to convert a received AC output signal into a DC
      level at the fullwave output for meters or chart recorders
      that need DC levels.
      HALF-WAVE
      a
      b
      +VIN
      VIN
      a
      b
      +VIN
      VIN
      ab
      +VIN
      +VB
      FULL-WAVE
      2a
      2VIN
      0
      VEE
      VCC
      +VB
      R1
      3
      2
      4
      5
      6
      7
      R2
      R3
      R5
      R4
      2
      3
      4
      5
      6
      7
      +
      +
      A1
      A2
      INPUT
      HALF-WAVE
      OUTPUT
      FULL-WAVE
      OUTPUT
      500mV
      520ms
      NOTES:
      R2 = 2 R1
      R4 = R5 = R3
      +VB will vary output reference.
      For single supply operation VEE
      can be grounded on A2.
      Figure 12. Adding an Inverting Summer to the Input and Output of the HalfWave will Result in FullWave
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