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com a u s t ri a m i c r o s y s t e m s Preliminary Product Brief A S 11 0 9 C o n s ta n t - C u r r e n t , 8 - B i t L E D D r i v e r w i t h D i a g n o s t i c s 1 General Description The AS1109 was designed to drive up to 8 LEDs through a fast serial interface and features 8 output constant current drivers and an on-chip diagnostic readback function.
The high clock-frequency (up to 30MHz), adjustable output current, and flexible serial interface makes the device perfectly suited for high-volume transmission applications.
Output current is adjustable (up to 100mA/channel) using an external resistor (REXT).
The serial interface includes an integrated shift register w...

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