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AS1105 LED Driver IC

4x8 Matrix LED driver IC

 
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The AS1105 is a, SPI interfaced, dot-matrix LED driver IC for a 4x8 LED matrix or 4 7-Segment LEDs. It includes a 4bit PWM for the entire matrix and an external resistor can be used for analog current adjustment up to 10mA per LED.

 

Key Features

  • Up to 32LEDs in a 4x8 matrix
  • 4bit PWM and resistor current control per matrix
  • BCD decoder

Key Benefits

  • Drive high LED count very easily
  • Brightness adjustment of the matrix
  • Allows decoding for 7-Segment LEDs

Product Facts

Outputs [#] 32
LED current per output [mA] 10
Features Multiplexed
Error detection
Read-back
LED-to-LED matching [%] 3
Supply voltage [V] 5.0
Package SOIC-20

Additional Information

Applications
  • White Goods
  • Public Information Displays
  • Personal Electronics