AS1121 Datasheet - austriamicrosystems AG

AS1121, 16-Channel LED Driver

Datasheet AS1121 16-Channel LED Driver with Dot Correction and Greyscale PWM Technical coantmesntAsGtill valid 1 General Description The AS1121 is a

Features

* Greyscale PWM Control: 12-Bit (4096 Steps) Dot Correction: 6-Bit (64 Steps) Drive Capability (Constant-Current Sink): 0 to 40mA LED Power Supply Voltage: up to 30V Supply Voltage Range: 3.1V to 3.6V SPI-Compatible Serial Interface Output Delay for controlled Inrush Current (factory set, can be turne

Applications

* Figure 1. AS1121 - Block Diagram The device is ideal for mono-, multi-, and full-color LED displays, LED signboards, and display backlights. 1 CLK 2 SDI 32 LD 29 PD 26 IREF 24 GSCLK 31 OEN 3 MODE 27 VCC Max OUTn VREF = Current 1.24V Greyscale Counter Control Status Open LED Detect, Overtem

AS1121-austriamicrosystemsAG.pdf