78A207
MFR1 Receiver
DATA SHEET
TABLE 1:
Channels
Tone Pair Freq.
700, 900
Name
D3
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
D2
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
D1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
D0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0-1
0-2
1-2
0-3
1-3
2-3
0-4
1-4
2-4
3-4
2-5
4-5
1-5
3-5
0-5
1
2
3
4
5
6
7
8
9
700, 1100
900, 1100
700, 1300
900, 1300
1100, 1300
700, 1500
900, 1500
1100, 1500
1300, 1500
1100, 1700
1500, 1700
900, 1700
0
KP
ST
ST1
ST2
ST3
1300, 1700
700, 1700
any other signal
NOTE: In the hex mode, D4 = DE and D5 = DV.
VDD
20 pF
2
VIN
3 k
Ω
V
DD
200 k
Ω
3 k
Ω
GND
GND
FIGURE 1: VIN Equivalent Input Circuit
Page: 3 of 8
© 2005 TERIDIAN Semiconductor Corporation
Rev 5.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
