78A207-CP 데이터 시트보기 (PDF) - TDK Corporation
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78A207-CP Datasheet PDF : 8 Pages
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TABLE 1:
Channels
Tone Pair Freq.
Name
D3
0-1
700, 900
1
0
0-2
700, 1100
2
0
1-2
900, 1100
3
0
0-3
700, 1300
4
0
1-3
900, 1300
5
0
2-3
1100, 1300
6
0
0-4
700, 1500
7
0
1-4
900, 1500
8
1
2-4
1100, 1500
9
1
3-4
1300, 1500
0
1
2-5
1100, 1700
KP
1
4-5
1500, 1700
ST
1
1-5
900, 1700
ST1
1
3-5
1300, 1700
ST2
1
0-5
700, 1700
ST3
1
any other signal
0
NOTE: In the hex mode, D4 = DE and D5 = DV.
VDD
78A207
MFR1 Receiver
D2
D1
D0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
20 pF
VIN
2
3 kΩ
VDD
200 kΩ
3 kΩ
GND
GND
FIGURE 1: VIN Equivalent Input Circuit
3
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