| by admin | No comments


AN datasheet, AN circuit, AN data sheet: PANASONIC – 5-Dot LED Driver Circuit,alldatasheet, datasheet, Datasheet search site for Electronic. AN datasheet, AN pdf, AN data sheet, datasheet, data sheet, pdf, Panasonic, 5-Dot LED Driver Circuit. Description, 5-dot Led Driver Circuit. Company, Panasonic Industrial Company/ Electronic Components. Datasheet, Download AN datasheet. Cross ref.

Author: Shaktishicage Dugar
Country: Honduras
Language: English (Spanish)
Genre: Finance
Published (Last): 3 January 2009
Pages: 311
PDF File Size: 5.13 Mb
ePub File Size: 10.45 Mb
ISBN: 496-5-90936-695-9
Downloads: 25246
Price: Free* [*Free Regsitration Required]
Uploader: Shaktikora

Reverse biased capacitor on IC input pin Ask Question. To be clear, removing the capacitor doesn’t light up the LEDs all at once. This makes sense, but why not a diode? Pin 8 accepts a positive input voltage. Placing it at a higher voltage within the datasheet’s max specified V will both lower the amplification and raise the lower rail of the comparators in the block diagram.

Datashee “low side”, you’re referring to the inverting inputs of the comparators. Right, I get that pin 7 is the output of the amp, but it’s part of the negative feedback loop on the amp.

Per AN’d datasheet. Post Your Answer Discard By clicking daasheet Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.


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. If I remove the 2.

That is to say that the LEDs all come on at a much smaller datsaheet of the potentiometer.

(PDF) AN6884 Datasheet download

If I “correct” the orientation, the circuit does not work at all. Fadecomic 2 6. Sign up using Email and Password. Dattasheet you tried a non-polarized capacitor e. Can someone explain what the reversed capacitor is doing here? How does doing anything to pin 7 a6n884 pin 8 affect that? Your description doesn’t agree with that in the datasheet. Vref is the high side of the 5 LED comparators in the datasheet block diagram.

That’s clear, because the input in my test circuit is DC.

This circuit will light the LEDs as the input voltage on pin 8 increases relative to pin 7. Most people use “low” to refer to either a lower voltage, or a lower position on the diagram. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued datzsheet of the website is subject to these policies.


I’m not following you. Passing Vin through a reverse capacitor seems to be potentially more prone to failure. You should fix the capitalisation datasneet sentences and electrical units ‘F’ for farad to improve legibility and credibility.

AN6884 Datasheet PDF

Post as a guest Name. Pin 8 is the signal input pin, and it’s the internal Op amp’s positive input. You might want to edit to explain your answer a bit more. Capacitor with polarity can be used ac couple or blocking.

Email Required, but never shown. Na6884 still a much shorter range over which a varying number of LEDs come on.

(Datasheet) AN pdf – 5-Dot LED Driver Circuit (1-page)

Home Questions Tags Users Unanswered. Very confusing terminology, since the inverting input can have a higher voltage than the noninverting input. It just shortens the range of turn over which the potentiometer works. The potentiometer is clear, but the 2. The diode will mess up the response of the chip due to its forward voltage satasheet.