參數(shù)資料
          型號(hào): LM4935WLX
          廠商: National Semiconductor Corporation
          元件分類: ADC
          英文描述: Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
          中文描述: 音頻子系統(tǒng)的雙模單聲道立體聲耳機(jī)和揚(yáng)聲器放大器的高效率和多功能模數(shù)轉(zhuǎn)換器
          文件頁(yè)數(shù): 15/112頁(yè)
          文件大?。?/td> 5017K
          代理商: LM4935WLX
          10.0 Electrical Characteristics
          (Notes 1, 2) Unless otherwise stated
          PLL_V
          DD
          = 3.3V, D_V
          DD
          = 3.3V,
          BB_V
          DD
          = 1.8V, A_V
          = 3.3V, LS_V
          = 3.3V.
          The following specifications apply for the circuit shown in
          Figure 2
          unless
          otherwise stated. Limits apply for 25C. (Continued)
          Note 1:
          Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
          functional but do not guarantee specific performance limits.
          Characteristics state DC and AC electrical specifications under particular test conditions which guarantee specific performance limits. This assumes that the device
          is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device
          performance.
          Note 2:
          All voltages are measured with respect to the relevant V
          SS
          pin unless otherwise specified.All grounds should be coupled as close as possible to the device.
          Note 3:
          The maximum power dissipation must be de-rated at elevated temperatures and is dictated by TJ
          ,
          θ
          , and the ambient temperature, T
          A
          . The maximum
          allowable power dissipation is P
          DMAX
          = (T
          JMAX
          – T
          A
          )/
          θ
          JA
          or the number given in Absolute Maximum Ratings, whichever is lower.
          Note 4:
          Human body model: 100pF discharged through a 1.5k
          resistor.
          Note 5:
          Machine model: 220pF – 240pF discharged through all pins.
          Note 6:
          Typical values are measured at 25C and represent the parametric norm.
          Note 7:
          Limits are guaranteed to Nationals AOQL (Average Outgoing Quality Level).
          Note 8:
          Best operation is achieved by maintaining 3.0V
          <
          A_V
          DD
          <
          5.0 and 3.0V
          <
          D_V
          DD
          <
          3.6V and A_V
          DD
          >
          D_V
          DD
          .
          Note 9:
          Digital shutdown current is measured with system clock set for PLL output while the PLL is disabled.
          Note 10:
          Disabling or bypassing the PLL will usually result in an improvement in noise measurements.
          L
          www.national.com
          15
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