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MAX4478, MAX4488, MAX4489, Low

消耗积分:5 | 格式:rar | 大小:322 | 2009-09-18

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The MAX4475–MAX4478/MAX4488/MAX4489 wideband, low-noise, low-distortion operational amplifiers offer rail-to-rail outputs and single-supply operation down to 2.7V. They draw 2.2mA of quiescent supply current per amplifier while featuring ultra-low distortion (0.0002% THD+N), as well as low input voltage-noise density (4.5nV/) and low input current-noise density (0.5fA/). These features make the devices an ideal choice for applications that require low distortion and/or low noise.

For power conservation, the MAX4475/MAX4488 offer a low-power shutdown mode that reduces supply current to 0.01µA and places the amplifiers' outputs into a high-impedance state. These amplifiers have outputs which swing rail-to-rail and their input common-mode voltage range includes ground. The MAX4475–MAX4478 are unity-gain stable with a gain-bandwidth product of 10MHz. The MAX4488/4489 are internally compensated for gains of +5V/V or greater with a gain-bandwidth product of 42MHz. The single MAX4475/MAX4476/MAX4488 are available in space-saving, 6-pin SOT23 and TDFN packages.

  • Low Distortion: 0.0002% THD+N (1kΩ load)
  • Single-Supply Operation from +2.7V to +5.5V
  • Input Common-Mode Voltage Range Includes Ground
  • Rail-to-Rail Output Swings with a 1kΩ Load
  • 10MHz GBW Product, Unity-Gain Stable (MAX4475–MAX4478)
  • 42MHz GBW Product, Stable with AV > +5V/V (MAX4488/MAX4489)
  • Excellent DC Characteristics
    • VOS = 70µV
    • IBIAS = 1pA
    • Large-Signal Voltage Gain = 120dB
  • Low-Power Shutdown Mode:
    • Reduces Supply Current to 0.01µA
    • Places Output in High-Impedance State
  • Available in Space-Saving SOT23, TDFN, µMAX®, and TSSOP Packages
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