MAX7219CNG 데이터 시트보기 (PDF) - Maxim Integrated
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MAX7219CNG Datasheet PDF : 16 Pages
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Serially Interfaced, 8-Digit LED Display Drivers
__________________________________________Typical Operating Characteristics
(V+ = +5V, TA = +25°C, unless otherwise noted.)
SCAN FREQUENCY vs.
POSITIVE SUPPLY VOLTAGE
830
820
810
800
790
780
770
760
750
740
730
4.0 4.4 4.8 5.2 5.6 6.0
POSITIVE SUPPLY VOLTAGE (V)
SEGMENT DRIVER OUTPUT CURRENT
vs. OUTPUT VOLTAGE
70
60
RSET = 10kΩ
50
40
RSET = 20kΩ
30
20
RSET = 40kΩ
10
0
0
1
2
3
4
5
OUTPUT VOLTAGE (V)
MAX7219
SEGMENT OUTPUT CURRENT
MAXIMUM INTENSITY = 31/32
10mA/div
0
5µs/div
MAX7221
SEGMENT OUTPUT CURRENT
MAXIMUM INTENSITY = 15/16
10mA/div
0
5µs/div
4 _______________________________________________________________________________________
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