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PDF ADT6610 Data sheet ( Hoja de datos )
| Número de pieza | ADT6610 | |
| Descripción | 3-CH Constant current LED sink driver | |
| Fabricantes | ADtech | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ADT6610 (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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ADT6610
ADT6610
Data Sheet
Aug. 25. 2011
* This specifications are subject to be changed without notice
1/21 http://www.ad-tech.co.kr
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
BLOCK DIAGRAM
OUTA
OUTB
OUTC
ADT6610
REXTA
REXTB
REXTC
DI
CKI
Reference
Current
PWM
Counter
Oscillator
Strobe
Generator
Regulator
16 16
16
24/36/48 bit Data Register
16 16
16
48 bit Shifter Register
Bit
Selection
VDD
VCC
DO
CKO
Aug. 25. 2011
GND
MODE0 MODE1
* This specifications are subject to be changed without notice
5/21 http://www.ad-tech.co.kr
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
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ADT6610
OPERATION PRINCIPLE
Interface
The ADT6610 is a two-wire only transmission interface. It is similar to SPI interface (CKI, DI). The display
data (DI) transfers at the rising edge of the clock (CKI). And the output data (DO) is out at the falling edge
of the clock ( CKI ).
CKI
DI
Value
0 011 1 0 1 1
Embedded Voltage Regulator
The ADT6610 has an embedded voltage regulator to regulate the high input supply voltage to 5V supply
voltage for internal . The input voltage range is 10 ~ 18V, which is suitable for 12/16V system.
The high supply voltage is connected the VCC, and the output of the regulator is connected to VDD.
An external capacitor of 4.7uF should be connected between VDD and ground to stable the output voltage.
When the input voltage is 5V, the VCC and VDD pins should be connecting.
Setting the Gray Scale
The ADT6610 provides three selectable gray scale modes: 16bit gray scale mode, 12bit gray scale mode
and 8bit gray scale mode. The 16bit gray scale mode provides 65,536 gray scales for each LED. The 12bit
gray scale mode provides 4,096 gray scales for each LED. In addition, the ADT6610 also embedded with an
oscillator as the clock of PWM counter to turn on output ports according to the gray scale data sent from the
system controller.
MODE0 pin
0
0
1
1
MODE1 pin
0
1
0
1
MODE
8bit interface mode
12bit interface mode
Inhibit
16bit interface mode
Strobe Method
The ADT6610 provides two selectable strobe time. It is selected 20us or 5ms by STSEL pin.
When the CLK high period is longer than 20us at STSEL low or 5ms at STSEL high, the gray scale data
are fetched register by internal strobe signal.
STSEL pin
0
1
The CKI wait time for internal strobe signal
20us
5ms
Aug. 25. 2011
* This specifications are subject to be changed without notice
11/21
http://www.ad-tech.co.kr
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet ADT6610.PDF ] | |
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