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    Part Img LM239DT datasheet by STMicroelectronics

    • LOW POWER QUAD VOLTAGE COMPARATOR
    • Original
    • Yes
    • Active
    • EAR99
    • 8542.39.00.60
    • 8542.39.00.60
    • Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

    LM239DT datasheet preview

    Datasheet Impression

    LM239DT Price & Stock

    Distributor Stock Lead Time Min Order Qty Price Buy
    DigiKey () 42,270 1
    • 1 $0.56
    • 10 $0.40
    • 100 $0.31
    • 1000 $0.26
    • 10000 $0.26
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    42,270 1
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    • 10 $0.40
    • 100 $0.31
    • 1000 $0.26
    • 10000 $0.26
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    40,000 2,500
    • 1 -
    • 10 -
    • 100 -
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    • 10000 $0.24
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    Avnet Americas 22,500 14 Weeks 2,500
    • 1 -
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    • 10000 $0.06
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    Mouser Electronics () 32,960
    • 1 $0.49
    • 10 $0.34
    • 100 $0.27
    • 1000 $0.23
    • 10000 $0.22
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    32,513
    • 1 $0.56
    • 10 $0.40
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    • 1000 $0.24
    • 10000 $0.22
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    6,773
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    • 10 $0.39
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    6,529
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    • 10 $0.36
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    4,220 82
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    97,500 14 Weeks 7,500
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    15,000 14 Weeks 2,500
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    4,220 14 Weeks 1
    • 1 $0.49
    • 10 $0.34
    • 100 $0.27
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    RS 25
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    6,057 14 Weeks 1
    • 1 $0.34
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    • 100 $0.22
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    • 10000 $0.14
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    Quest Components 4
    • 1 $0.53
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    TME 2,424 1
    • 1 $0.21
    • 10 $0.16
    • 100 $0.13
    • 1000 $0.12
    • 10000 $0.11
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    Avnet Silica 1,117,500 15 Weeks 2,500
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    EBV Elektronik () 4,300,000 15 Weeks 2,500
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    15 Weeks 2,500
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    LM239DT Frequently Asked Questions (FAQs)

    • The LM239DT can operate from -40°C to 125°C, making it suitable for a wide range of applications.
    • To ensure proper biasing, connect the midpoint of the input voltage divider to the VCC pin, and decouple the VCC pin with a 10uF capacitor to ground.
    • Keep the input traces short and away from noise sources, use a ground plane, and decouple the power supply with a 10uF capacitor to minimize noise and ensure stability.
    • Yes, the LM239DT can be used as either a comparator or an amplifier, depending on the application requirements and the external component configuration.
    • The LM239DT can drive a load up to 50mA, but for heavier loads, consider adding an external buffer or amplifier stage to ensure reliable operation.
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