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AS1121

Part Number	AS1121
Manufacturer	austriamicrosystems AG
Description	16-Channel LED Driver
Published	Feb 18, 2015
Detailed Description	Datasheet AS1121 16-Channel LED Driver with Dot Correction and Greyscale PWM Technical coantmesntAsGtill valid 1 Gener...
Datasheet	AS1121 PDF File

Overview

Datasheet AS1121 16-Channel LED Driver with Dot Correction and Greyscale PWM Technical coantmesntAsGtill valid 1 General Description The AS1121 is a 16-channel, constant current-sink LED driver.
Each of the 16 channels can be individually adjusted by 4096-step greyscale PWM brightness control and 64-step constant-current sink (dot correction).
The dot correction circuitry adjusts the brightness variations between the AS1121 channels and other LED drivers.
Greyscale control and dot correction circuitry are accessible via the SPI-compatible serial interface.
A single external resistor sets the maximum current value of all 16 channels.
The open LED detection function indicates a broken or dis...

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