MAX6951EEE 데이터 시트보기 (PDF) - Maxim Integrated
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MAX6951EEE Datasheet PDF : 19 Pages
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Serially Interfaced, +2.7V to +5.5V,
5- and 8-Digit LED Display Drivers
Typical Operating Characteristics
(Typical operating circuit, scan limit set to eight digits, V+ = +3.3V, VLED = 2.4V, TA = +25°C, unless otherwise noted.)
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
4.40
4.30
V+ = 2.7V
4.20
4.10
4.00
3.90 V+ = 5V
3.80
V+ = 3.3V
3.70
3.60
-40 -20 0
20 40
60 80
TEMPERATURE (°C)
INTERNAL OSCILLATOR WAVEFORM
AT OSC (PIN 9)
3.0
2.5
2.0
1.5
1.0
0.5
0
0
1.01
200
400
600
800
TIMELINE (ns)
SEGMENT SOURCE CURRENT
vs. SUPPLY VOLTAGE
1.00
0.99
0.98
0.97
0.96
0.95
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
4.40
4.30
4.20
4.10
4.00
3.90
3.80
3.70
3.60
2
3
4
5
6
SUPPLY VOLTAGE (V)
DEAD CLOCK OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
80
79
78
77
76
75
74
73
72
71
70
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
WAVEFORM AT SEGO/DIGO (PIN 6)
V+ = 3.3V, 8 DIGITS SCANNED, 8/16 INTENSITY
3.5
3.0
2.5
2.0
1.5
DIGIT 0 MULTIPLEX TIMESLOT
1.0
0.5
0
0
500
1000
1500
2000
TIMELINE (ns)
4 _______________________________________________________________________________________
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