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16-bit Constant Current LED Driver

Version:A.003

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DM13A

DM13A

16-bit Constant Current LED Driver

General Description

DM13A is a constant-current sink driver specifically designed for LED display applications.

The device incorporates shift registers, data latches, and constant current circuitry on the silicon

CMOS chip. The maximum output current value of all 16 channels is adjustable by a single external

resistor.

Features

Constant-current outputs: 3mA to 60mA adjustable by one external resistor

Maximum output voltage: 17V

Maximum clock frequency: 25MHz

Power supply voltage: 3.3V to 5V

In-rush current control

Bit-to-bit skew :

± 3 %

Chip-to-chip skew :

± 6 %

Package and pin assignment compatible to conventional LED drivers (ST2221C, DM134/5/6)

Applications

Indoor/Outdoor LED Video Display

LED Variable Message Signs (VMS) System

Package Types

PDIP24, SOP24, SOP24B, SSOP24