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  • LM393-N: Input Resistance of the IC

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    Part Number: LM393-N Other Parts Discussed in Thread: LM393 I want to make sure that the input impedance of the input pins is high enough that it won't be affected by the voltage divider circuit I have designed here in the attached snapshot.
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  • LM393: About input impedance

    TI Thinks Resolved
    Part Number: LM393 Hi, Could you tell me the input impedance (IN+,IN-) value of LM343? Customers need specific value information for connection and design with other circuits. Regards, Yusuke
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  • LM393: pull up resistor

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    Part Number: LM393 Excuse me, I am using LM393 to do the OVP circuit and I found a OVP circuit in google and I have some questions 1.) How to calculate the pull up resistor, the pull up resistor is based on the LM393 output sink current? if the output…
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  • LM393-N: about IN+/IN- terminals

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    Part Number: LM393-N Other Parts Discussed in Thread: LM393 Please answer the following two questions. ①. Please tell me the input impedance and variation of the IN + / IN- terminals. ②. If the input voltage of the IN + / IN- pins is the same (when the…
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  • LM393: Constantly sinking?

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    Part Number: LM393 Other Parts Discussed in Thread: LM5118 , , TLV1702 , LM2903B , I have an application where I'm using the LM393 to compare a constant 12V source and a fluctuating 12V battery. I'm using an LM5118 board as a 12V source(powerboard+), and…
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  • LM393: Input Terminal when power OFF

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    Part Number: LM393 Hi staff LM393 Input terminal when power is not supplied 1) Is it okay to input voltage to the input terminals (in+, in-) without the power supply voltage of LM393 ? The maximum input at that time is about 5V ?. 2) Will it be destroyed…
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  • LM393: how much negative input voltage at non-inverting input (and how much current) can cause damage?

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    Part Number: LM393 Other Parts Discussed in Thread: ABS , LM339 , TLC393 , , TLC372 , TLC352 , , OPA2237 , TLV1702 Hello, Attached, please see the LM393 circuit I am using. The non-inverting input pin 3 sits at -0.49V while the current estimated out of the…
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  • LM393: About input pin on unused op amp

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    Part Number: LM393 Hello, Regarding to unused op amp on LM393DR, my customer is asking a question. They will connect GND to input pins as following and refer below threads and LM393-N datasheet. https://e2e.ti.com/support/amplifiers/f/14/p/661703/2432626…
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  • [FAQ] LM393 & LM2903: Updated Dual Comparators

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    Part Number: LM393B Other Parts Discussed in Thread: LM2903B , , LM393 , LM2903 What are the new improvements with the refreshed LM393B & LM2903B parts?
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  • LM393-N: DSBGA Package Question

    TI Thinks Resolved
    Part Number: LM393-N Other Parts Discussed in Thread: TEST , LM393B I have a really specific question regarding the DSBGA packaging for the LM393-N... There is a customer considering this package, but they are nervous about the way these DSBGA packages…

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