4-digit LED Driver, Serially Interfaced

The AS1105 is a LED Driver for 7 segment numeric Displays of up to 4 digits. The AS1105 CAN be programmed via a conventional 4 wire serial Interface It includes a BCD code- B decoder, a multiplex scan circuitry, segment and Display drivers and a 32 Bit memory. The memory is used to store the LED settings, so that continuos reprogramming is not necessary. Every individual segment CAN be addressed and updated separately. Only one external resistor is required to set the current through the LED Display Brightness CAN be controlled either in an Analog or digital way. The user CAN choose the internal code-B decoder to Display numeric digits or to address each segment directly. The AS1105 features an extremely low shutdown current of only 20A. and an operational current of less than 500A. The number of visible digits CAN be programmed as well. The AS1105 CAN be reset by software and an external Clock CAN be used. Several test modes support easy debugging. AS1105 is offered in a 20 pin SOIC package.
By ams AG
AS1105 's PackagesAS1105 's pdf datasheet
AS1105WL
AS1105WE
AS1105WL-T




AS1105 Pinout, Pinouts
AS1105 pinout,Pin out
This is one package pinout of AS1105,If you need more pinouts please download AS1105's pdf datasheet.

AS1105 Application circuits
AS1105 circuits
This is one application circuit of AS1105,If you need more circuits,please download AS1105's pdf datasheet.


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AS1105 Application Notes AS1105 RoHS AS1105 Circuits AS1105 footprint