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    Part Img LM393D datasheet
    by Texas Instruments

    • Linear - Comparators, Integrated Circuits (ICs), IC DUAL DIFF COMP 8-SOIC
    • Original
    • Yes
    • Obsolete
    • EAR99
    • 8542.39.00.01
    • 8542.39.00.00
    • 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.

    LM393D datasheet preview

    Datasheet Impression

    LM393D Price & Stock

    Distributor Stock Lead Time Min Order Qty Price Buy
    DigiKey () 12,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.10
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    9,784 1
    • 1 $0.34
    • 10 $0.24
    • 100 $0.18
    • 1000 $0.15
    • 10000 $0.15
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    9,784 1
    • 1 $0.35
    • 10 $0.24
    • 100 $0.19
    • 1000 $0.16
    • 10000 $0.16
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    7,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.14
    Buy Now
    3,710 1
    • 1 $0.31
    • 10 $0.22
    • 100 $0.16
    • 1000 $0.14
    • 10000 $0.14
    Buy Now
    3,710 1
    • 1 $0.31
    • 10 $0.22
    • 100 $0.16
    • 1000 $0.14
    • 10000 $0.14
    Buy Now
    2,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.12
    Buy Now
    2,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.15
    Buy Now
    833 1
    • 1 $0.29
    • 10 $0.20
    • 100 $0.15
    • 1000 $0.13
    • 10000 $0.13
    Buy Now
    900
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.55
    • 10000 $0.55
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    Mouser Electronics () 19,616
    • 1 $0.23
    • 10 $0.16
    • 100 $0.12
    • 1000 $0.10
    • 10000 $0.09
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    13,656
    • 1 $0.26
    • 10 $0.18
    • 100 $0.13
    • 1000 $0.11
    • 10000 $0.10
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    2,936
    • 1 $0.31
    • 10 $0.22
    • 100 $0.17
    • 1000 $0.14
    • 10000 $0.13
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    Verical () 2,111 18
    • 1 -
    • 10 -
    • 100 $0.12
    • 1000 $0.10
    • 10000 $0.09
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    1,830 44
    • 1 -
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    • 100 $0.07
    • 1000 $0.06
    • 10000 $0.06
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    1,615 18
    • 1 -
    • 10 -
    • 100 $0.11
    • 1000 $0.09
    • 10000 $0.08
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    1,569 13
    • 1 -
    • 10 -
    • 100 $0.17
    • 1000 $0.14
    • 10000 $0.12
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    1,483 75
    • 1 -
    • 10 -
    • 100 $0.19
    • 1000 $0.10
    • 10000 $0.10
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    942 73
    • 1 -
    • 10 -
    • 100 $0.13
    • 1000 $0.10
    • 10000 $0.10
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    Newark () 39 5
    • 1 $0.24
    • 10 $0.17
    • 100 $0.12
    • 1000 $0.10
    • 10000 $0.10
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    1
    • 1 -
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    Bristol Electronics () 12,427 1
    • 1 $0.42
    • 10 $0.42
    • 100 $0.21
    • 1000 $0.08
    • 10000 $0.05
    Buy Now
    1,411
    • 1 -
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    Get Quote
    1,114
    • 1 -
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    Get Quote
    499
    • 1 -
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    Quest Components () 2,242
    • 1 $0.28
    • 10 $0.28
    • 100 $0.28
    • 1000 $0.15
    • 10000 $0.12
    Buy Now
    1,107
    • 1 $0.40
    • 10 $0.40
    • 100 $0.12
    • 1000 $0.08
    • 10000 $0.08
    Buy Now
    42
    • 1 $0.25
    • 10 $0.25
    • 100 $0.20
    • 1000 $0.20
    • 10000 $0.20
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    Rochester Electronics 2 1
    • 1 -
    • 10 -
    • 100 $0.63
    • 1000 $0.53
    • 10000 $0.47
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    TME () 6,000 1
    • 1 $0.27
    • 10 $0.18
    • 100 $0.17
    • 1000 $0.17
    • 10000 $0.17
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    909 3
    • 1 -
    • 10 $0.71
    • 100 $0.59
    • 1000 $0.50
    • 10000 $0.50
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    6 1
    • 1 $0.21
    • 10 $0.15
    • 100 $0.11
    • 1000 $0.09
    • 10000 $0.09
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    2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.17
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    Ameya Holding Limited () 319,862
    • 1 -
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    • 10000 -
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    41,979
    • 1 -
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    ComSIT USA () 11,085
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    8,548
    • 1 -
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    785
    • 1 -
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    Get Quote
    705
    • 1 -
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    NexGen Digital 9,778
    • 1 -
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    Chip 1 Exchange 9,407
    • 1 -
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    LM393D Frequently Asked Questions (FAQs)

    • The maximum voltage that can be applied to the input pins is the supply voltage (VCC) + 0.3V. Exceeding this voltage can cause damage to the device.
    • To prevent oscillation, ensure that the input signals are properly filtered and decoupled, and that the output is properly loaded. Additionally, adding a small capacitor (e.g. 10nF) between the output and ground can help to reduce oscillations.
    • The minimum input voltage required for the comparator to function correctly is typically around 1.5V to 2V, depending on the specific application and noise conditions.
    • No, the LM393D is a comparator, not an amplifier. It is designed to compare two input voltages and output a digital signal indicating which input is higher. It is not suitable for amplifying signals.
    • The pull-up resistor value depends on the specific application and the load connected to the output. A general rule of thumb is to choose a value between 1kΩ and 10kΩ. A higher value can lead to slower rise times, while a lower value can lead to higher power consumption.
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