AN6884 DATASHEET PDF

Mikora The potentiometer is clear, but the 2. It just shortens the range of turn over which the potentiometer works. Have you tried a non-polarized capacitor e. Vref is the high side of the 5 LED comparators in the datasheet block diagram.

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That means there is a small current flow out from the pin. Can someone datashewt what the reversed capacitor is doing here? Reverse biased capacitor on IC input pin Ask Question. This makes sense, but why not a diode? There is also no discharge path with your arrangement. I am looking at the test circuits on the data sheet for the AN VU meter IC, catasheet I cannot understand the connection to pin 8 in the following diagram: I will be certain to use them here from now on.

It just shortens the range of turn over which the potentiometer works. If I remove the 2. It appears to be reversed. To be clear, removing the capacitor an light up the LEDs all at once. Pin 7 is the output of the internal amplifier, and pin 8 xn its input, designed to accept a low-level AC input 57 mV for a 0-dB indication. Sign up using Facebook. Dstasheet might want to edit to explain your answer a bit more. Indeed, it must in order for any of the LEDs to turn on!

Sign up or log in Sign up using Google. Fadecomic 2 datxsheet. The LED pins connect to the negative side of the LEDs, and the pins go low when the output of the internal amp goes above Vref dropped by voltage dividing resistors at each comparator.

Post as a guest Name. Passing Vin through a reverse capacitor seems to be potentially more prone to failure. Email Required, but never shown. Sign up using Email and Password. Vref is the high side of the 5 LED comparators in the datasheet block diagram.

This circuit will light the LEDs as the input voltage on pin 8 increases relative to pin 7. Very confusing terminology, since the inverting input can have a higher voltage than the noninverting input.

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Tygojora AN Datasheet As displayed, the LEDs go from fully off to fully on over roughly the entire turn range an the potentiometer. Capacitor with polarity can be used ac couple or a6n Very confusing terminology, since the inverting input can have a higher voltage than the noninverting input. Can someone explain what the reversed capacitor is doing here? I will be certain to use them here from now on. This makes sense, an why not a diode? Sign up or log in Sign up using Google.

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AN6884 DATASHEET PDF

That means there is a small current flow out from the pin. Can someone datashewt what the reversed capacitor is doing here? Reverse biased capacitor on IC input pin Ask Question. This makes sense, but why not a diode?

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DATASHEET AN6884 PDF

Very confusing terminology, since the inverting input can have a higher voltage than the noninverting input. Passing Vin through a reverse capacitor seems to be potentially more prone to failure. Pin 7 is the output of the internal amplifier, and pin 8 is its input, designed to accept a low-level AC input 57 mV for a 0-dB indication. Post as a guest Name.

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It just shortens the range of turn over which the potentiometer works. That is to say that the LEDs all come on at a much smaller turn of the potentiometer. Pin 8 accepts a positive input voltage. As displayed, the LEDs go from fully off to fully on over roughly the entire turn dtaasheet of the potentiometer. Indeed, it must in order for any of the LEDs to turn on! Sign up datasueet log in Sign up using Google.

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