TECHNICAL DATA
LED Driver IC
IK2108A
Description
The IK2108A are anode-grid LED display drives 5.0V~18.0V with output size – 8 digits x
14 segments to 12 digits x 10 segments and addition key scan function.
Serial interface provides connection with microprocessor.
Features
• Operation voltage for digital part: 3.0V ~ 5.5V
• Operation voltage for output LEDs: 5.0V ~ 18.0V
• 7-step individual dimming control for each grid
• OSC: built in (with external resistor) 500kHz @ R=12.1kΩ
• Pulse segment current: 27mA @ 8 digits x 14 segments
39mA @ 12 digits x 10 segments
SOP-32
• Key scanning: 10x3 matrix
• Serial Interface
• Operation Temperature : -40 ~ 85°C
LQFP-32
Application
• Washing machine,refregerator, microwave oven, conditioner and other
ORDERING INFORMATION
Operating
Temperature Range
Device
Package
Shipping
IK2108ADW
IK2108ADWT
IK2108ALQ
SOP 32
SOP 32
LQFP-32
Tube
Tape&Reel
Tape&Reel
TA = -40 to 85 C
Pin Description IK2108A (32Pins)
RCUR
DI/O
1
2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
GR1
GR2
CLK
3
GR3
STB
4
GR4
K1
5
GR5
IK2108A
K2
6
GR6
K3
7
GR7
VDD
8
GR8
GND
9
VCC
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
10
11
12
13
14
15
16
SG14/GR9
SG13/GR10
SG12/GR11
SG11/GR12
SG10/KS10
SG9/KS9
SG8/KS8
May 2012, Ver. 03
1
IKSEMICON [ IK SEMICON CO., LTD ]
