AN18208A
Technical Data (continued)
y I/O block circuit diagrams and pin function descriptions (continued)
Note) The characteristics listed below are reference values based on the IC design and are not guaranteed.
Pin Waveform
No. and voltage
Internal circuit
Impedance
VCC
Description
2
10.7 MHz
3
1.9 V
2
GND
12k
GND
330 180 180
VCC
3
100 μA
1k
GND
3k
330 Ω
FM 1st IF amp. input
4 kΩ
FM detector bypass 2
External capacitor = 0.1 μF
4
1.8 V
5
—
30 mA
1.05k
1k
4
1.05k
GND
10k
VCC
200
5
6.8k GND
12k
GND
12 kΩ
FM detector bypass 1
External capacitor = 0.1 μF
High
FM LOSCBUF input
6
DC ≈
VCC1 – 1.4 V
68k
1k
1.05k
6
GND
SDC00079AEB
68 kΩ
Level detector for MPX pilot
canceller
28