AD8544 CMOS RRIO Quad General-Purpose Op Amp

Applications

The AD8541/AD8542/AD8544 are single, dual, and quad rail-to-rail input and output single-supply amplifiers featuring very low supply current and 1 MHz bandwidth. All are guaranteed to operate from a 2.7 V single supply as well as a 5 V supply. These parts provide 1 MHz bandwidth at a low current consumption of 45 μA per amplifier.

Very low input bias currents enable the AD8541/AD8542/AD8544 to be used for integrators, photodiode amplifiers, piezoelectric sensors, and other applications with high source impedance. The supply current is only 45 μA per amplifier, ideal for battery operation.

Rail-to-rail inputs and outputs are useful to designers buffering ASICs in single-supply systems. The AD8541/AD8542/AD8544 are optimized to maintain high gains at lower supply voltages, making them useful for active filters and gain stages.

The AD8541/AD8542/AD8544 are specified over the extended industrial temperature range (–40°C to +125°C). The AD8541 is available in 8-lead SOIC, 5-lead SC70, and 5-lead SOT-23 packages. The AD8542 is available in 8-lead SOIC, 8-lead MSOP, and 8-lead TSSOP surface-mount packages. The AD8544 is available in 14-lead narrow SOIC and 14-lead TSSOP surface-mount packages. All MSOP, SC70, and SOT versions are available in tape and reel only.

Features and Benefits
  • Chinese data sheet available
  • Single-supply operation: 2.7 V to 5.5 V
  • Low supply current: 45 μA/amplifier
  • Wide bandwidth: 1 MHz
  • No phase reversal
  • Low input currents: 4 pA
  • Unity gain stable
  • Rail-to-rail input and output
  • Qualified for automotive applications.
    • Amplifiers
    Audio & Video Products
    AD8544 SPICE Macro-Model
    Data Sheets
    Documentnote
    AD8541/AD8542/AD8544: General Purpose CMOS Rail-to-Rail Amplifiers Data Sheet (Rev. G)PDF 436 kB
    Application Notes
    Documentnote
    AN-256: Accurately Testing Op Amp Settling TimesPDF 106 kB
    AN-938: Digital and Analog Measurement Units for Digital CMOS Microphone Preamplifier ASICs (Rev. 0)PDF 75 kB
    AN-649: Using the Analog Devices Active Filter Design Tool (Rev. 0)PDF 5.3 M
    Product Highlight
    Documentnote
    Amplifier pricing where you want it,PDF 1037 kB
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    AD8544ARUZ Production14 ld TSSOPOTH 96-40 to 125C0.60.54Y
    AD8544ARUZ-REEL Production14 ld TSSOPREEL 2500-40 to 125C00.54Y
    AD8544ARZ Production14 ld SOICOTH 56-40 to 125C0.60.54Y
    AD8544ARZ-REEL Production14 ld SOICREEL 2500-40 to 125C00.54Y
    AD8544ARZ-REEL7 Production14 ld SOICREEL 1000-40 to 125C00.54Y
    AD8544WARZ-R7 Production14 ld SOICREEL 1000-40 to 125C00.72Y
    AD8544WARZ-RL Production14 ld SOICREEL 2500-40 to 125C00.72Y
    Evaluation Boards
    Part NumberDescriptionPriceRoHS
    EVAL-PRAOPAMP-4RUZQUAD 14-Lead TSSOP Evaluation Board20.19Y
    EVAL-PRAOPAMP-4RZQUAD R-14 lead SOIC Evaluation Board20.19Y
    AD8541/AD8542/AD8544：通用型CMOS轨到轨放大器数据手册 (Rev. F) ad8541
    AD8541/AD8542/AD8544: General Purpose CMOS Rail-to-Rail Amplifiers Data Sheet (Rev. G) ad8541
    AD8544 SPICE Macro-Model Ver. 1, 6/98 ad8544
    AD8079B SPICE Macro-Model ad8079
    AN-256: Accurately Testing Op Amp Settling Times ad8531
    AN-938: 数字CMOS麦克风前置放大器ASIC的数字和模拟测量单位 (Rev. 0) ssm2166
    AN-938: Digital and Analog Measurement Units for Digital CMOS Microphone Preamplifier ASICs (Rev. 0) ssm2166
    AN-649: Using the Analog Devices Active Filter Design Tool (Rev. 0) ad8350
    Amplifier pricing where you want it, ada4850-1
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