SM5162S 데이터 시트보기 (PDF) - Samhop Mircroelectronics
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SM5162S Datasheet PDF : 12 Pages
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三合微科股份有限公司
SAMHOP Microelectronics Corp.
SM5162
312 RF ENCODER
Single Resistor Oscillator
SM5162's oscillator be constructed by connecting a resistor between OSC1 and OSC2 pin.
SM5172's OSC frequency must be 1.8 to 5.8 times more than SM5162.
Encoder OSC Frequency
100
90
80
70
60
KHz 50
40
30
20
10
0
3
R = 510K
R = 1.2 M
R = 2.7 M
R = 3.0 M
R = 3.3 M
R = 4.3 M
6
9
12
15 VOLTAGE
Dncoder OSC Frequency
300
250
200
110
KHz 100
R = 100 K
R = 300 K
R = 620 K
50
R = 680 K
R = 820 K
R = 1.0 M
0
3
6
9
12
15 VOLTAGE
Suggested oscillator resistor of SM5162/ SM5172:
SM5162
4.7M OHM
3.0M OHM
2.2M OHM
1.2M OHM
SM5172
820K OHM
620K OHM
300K OHM
180K OHM
Page 6
OCT. 2001
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