DM632 Datasheet (SiTi) - 16-CHANNEL CONSTANT CURRENT LED DRIVER

DM632, 16-CHANNEL CONSTANT CURRENT LED DRIVER

DM632 is a 16-channel constant current sink LED driver.

Each channel has adjustable 16-bits (65536 steps) grayscale PWM control current outputs.

It incorporates shift registers, data latches, constant current circuitry with current value set by an external resistor, selectable oscillator source for

DM632 Version : A.002 Issue Date : 2008/05/12 File Name : SP-DM632-A.002.doc Total Pages : 25 16-CHANNEL CONSTANT CURRENT LED DRIVER WITH PROGRAMMABLE PWM OUTPUTS 9 7 1 SILICON TOUCH TECHNOLOGY INC.

9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C.

Tel：886-3-5645656 Fax：886-3-5645626 SILICON TOUCH TECHNOLOGY INC.

9 7 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C.

Tel：886-3-5645656 Fax：886-3-5645626 DM632 DM632 16-CHANNEL CONSTANT CURRE

DM632 Features

* z Constant-current outputs: 5mA to 90mA adjustable by one external resistor z 16-bit linear PWM control current outputs for each channel z Maximum output voltage: 17V z Maximum clock frequency: 25MHz z Selectable internal/external PWM reference clock z PWM free-running capability (refresh rate (~ 27