LV25700PM Datasheet, PDF (16/68 Pages) Sanyo Semicon Device – For Car Radio Single chip Tuner IC

LV25700PM
Continued from preceding page.
Pin name
Function
45 AFC_OUT
Discription
Null voltage
As compared with internal 2.7V regulator.
2.7V+Vloe
Internal Equivalent Circuit
IF_VCC(PIN74)
1kΩ 1kΩ
1kΩ
IF_GND(PIN72) 10kΩ 1kΩ
500Ω
46 AFC_C
47 NOISE AGC
MOS: NCAGCO
At reception SW-ON
Shorts between pin 45 and AFC capacity.
(series, small capacity shorted)
At RDS SW-OFF
Opens between pin 45 and AFC capacity.
(series, small capacity + large capacity
configuration)
1kΩ
20kΩ
45 ^1kΩ
IF_GND(PIN72)
1kΩ 1kΩ
IF_GND(PIN72)
IF_GND(PIN72) IF_GND(PIN72)
46
1kΩ
SW
IF_GND(PIN72)
BB_VCC(PIN53)
48 GND
(NC, MPX, MRC)
49 MPX output (LEFT) MPX outputs
50 MPX output
Impedance changed over with the de-
(RIGHT)
emphasis changeover.
Low = 3.3kΩ
High = 5.0kΩ
(50/75μs changeover with the external
capacity of 0.015μs)
10kΩ
5kΩ
47
1kΩ
BB_GND(PIN48)
GND
RF_VCC(PIN2)
335Ω 335Ω 335Ω 335Ω
500Ω 500Ω
72Ω 72Ω 5kΩ 5kΩ
49 L
50 R
GND(PIN48)
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No.A1709-16/68