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    SGM8521

    GENERAL DESCRIPTION

    The SGM8521 (single), SGM8522 (dual) and SGM8524 (quad) are low cost, rail-to-rail input and output voltage feedback amplifiers. They have a wide input common mode voltage range and output voltage swing, and take the minimum operating supply voltage down to 2.1V. The maximum recommended supply voltage is 5.5V.

    The SGM8521/2/4 provide 150kHz bandwidth at a low current consumption of 5.5μA per amplifier. Very low input bias currents enable the SGM8521/2/4 to be used for integrators, photodiode amplifiers and piezoelectric sensors. Rail-to-rail input and output are useful to designers for buffering ASIC in single-supply systems.

    Applications for these amplifiers include safety monitoring, portable equipment, battery and power supply control, and signal conditioning and interfacing for transducers in very low power systems.

    The SGM8521 is available in Green SOT-23-5 and SOIC-8 packages. The SGM8522 is available in Green SOIC-8 and MSOP-8 packages. The SGM8524 is available in Green SOIC-14 and TSSOP-14 packages. They are specified over the extended -40 to +125 temperature range.

    PIN CONFIGURATIONS

    8521.png

    FEATURES
    • Low Cost

    • Rail-to-Rail Input and Output

    • Input Offset Voltage: 3.5mV (MAX)

    • Unity Gain Stable

    • Gain-Bandwidth Product: 150kHz

    • Supply Voltage Range: 2.1V to 5.5V

    • Input Voltage Range: -0.1V to 5.6V with VS = 5.5V

    • Low Supply Current: 5.5μA

    • Available in Green SOIC-8 and SOT-23-5 Packages

    APPLICATIONS

    ASIC Input or Output Amplifiers

    Sensor Interfaces

    Piezoelectric Transducer Amplifiers

    Medical Instrumentation

    Mobile Communications

    Audio Outputs

    Portable Systems

    Smoke Detectors

    Mobile Telephones

    Notebook PCs

    PCMCIA Cards

    Battery-Powered Equipment

    ORDERING INFORMATION
    Part NumberStatusPackagePinsPb-FreeTemp Range
    SGM8521XN5/TRProductionSOT-23-55Y-40℃ to +125℃
    SGM8521XS/TRProductionSOIC-88Y-40℃ to +125℃

     

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