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CXA2108Q

Features: • 24 outputs: 10-bit (1,024-gradation) PWM current outputs• Maximum output current: 60mA• LED type: Common anode• 4-bit brightness function capable of switching the basic PWM pulse width in 16 steps• Time division allows driving of up to six LEDs with a sing...

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SeekIC No. : 004318242 Detail

CXA2108Q: Features: • 24 outputs: 10-bit (1,024-gradation) PWM current outputs• Maximum output current: 60mA• LED type: Common anode• 4-bit brightness function capable of switching the...

CXA2108Q Data Sheet

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Part Number:
CXA2108Q
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
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Product Details

Description



Features:

• 24 outputs: 10-bit (1,024-gradation) PWM current outputs
• Maximum output current: 60mA
• LED type: Common anode
• 4-bit brightness function capable of switching the basic PWM pulse width in 16 steps
• Time division allows driving of up to six LEDs with a single output, making it possible to configure a high definition display with few driver ICs.
• Coarse Adj. (2 bits) and Fine Adj. (8 bits) output current adjustment for each LED makes it possible to drive R, G and B using the same output from the same IC. In addition, the characteristics variance of each LED can also be corrected.
• All luminance (PWM) data and drive current data are set by writing to the internal RAM.
• PWM emitting can be performed up to 15 times per frame to realize a screen with little flicker.
• Two built-in PWM data RAM make it possible to set the next luminance data even during PWM operation.
• Abnormal internal temperature detection circuit
• Single 5V power supply
• Surface mounting package (80-pin QFP)




Application

LED display panels


Pinout

Connection Diagram


Specifications

• Supply voltage AVCC, DVCC ...............................0.3 to +6.0 V
• Digital input voltage VI_D .......................0.3 to DVCC + 0.3 V
• Digital output current Io_D ............................5.0 to +5.0 mA
• Driver output voltage V_DVR ........................0 to AVCC + 0.3 V
• Driver output current I_DVR ..............................1 to +80 mA
• Operating temperature*1 Topr ........................40 to +80 °C
• Storage temperature Tstg .............................65 to +150 °C
• Allowable power dissipation*1 (Ta = 65°C or less) PD...1.5 W
*1 When mounted on a printed circuit board


Description

The CXA2108Q is a 1,024-gradation LED driver which is ideal for full color LED displays. This IC has 24 outputs and a maximum output current of 60mA. Time division allows driving of either two or six LEDs per output by connecting an external FET or other switch. The luminance (PWM) and drive current for each LED are set using the internal RAM. The LED type is common anode.




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