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LA1225MC Datasheet, PDF (4/8 Pages) Sanyo Semicon Device – Monolithic Linear IC FM IF Detector IC
LA1225MC
Pin Functions No-Signal Voltage at VCC = 3.0V
Pin No.
Function
No-signal
voltage (V)
Equivalent circuit
1
IF input
1.2
Notes
Input impedance
RIN = 330Ω
2
Reg
1.2
Vreg = 1.2V
3
GND
0
4
S-meter output
0.1
5
VCC
3.0
6
Demodulated output
1.5
7
DET
3.0
Open collector output.
The SD sensitivity can be adjusted with an
external resistor connected to this pin.
Output impedance
ROUT = 3kΩ
The detector coil is inserted between pin 7
and pin 5 (VCC).
Continued on next page.
No.A2052-4/8