IR2432 IC, 12 dot VU Meter Scale LED Display Driver DIP-22

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US$2.65
IR2432
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IC, 12 dot VU Meter Scale LED Display Driver DIP-22

The IR2431 is a VU meter scale display driver IC suitable for driving 12 LED level meters. 

Operation:

With Vref-max and Vref-min given, the reference voltage is 12-divided by the resistance ratio. This is compared with the Vin in each of the comparator circuits to cause the output "High" or "Low" in the AND gate to turn on the corresponding transistor and the LED will glow.

Features:

LED current can be set using an external resistor.

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