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AN6884 5-Dot LED Driver Circuit

Small voltage indicator using an old IC

AN6884 5-Dot LED Driver Circuit
 
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Hardware Components

  • AN6884

    X 1 fenxiang

Tools, APP Software Used etc.

  • Kicad

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AN6884 5-Dot LED Driver Circuit

■ Description

The AN6884 is a monolithic integrated circuit driving 5- LED and is capable of logarithmic (dB) bar graph display for input signal. Incorporating high gain rectification amp. enable to apply AC (UV meter, etc.) / DC (signal meter, etc.) level meter widely.

Features:

 - Wide range of operating voltage: VCC(opr.) = 3.5V ~ 16V

 - Constant current output: ILED=15mA

 - Built-in high gain amp.: Gy = 26dB typ.

 - Low noise when LED ON

 - 5-dot LED bar logarithmic response: -10, -5, 0, 3, 6dB

 - Fewer external components

P.S. I am not the original author, I just draw it. 

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AN6884 5-Dot LED Driver Circuit

Small voltage indicator using an old IC

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