BA1451F データシートの表示（PDF） - ROHM Semiconductor
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BA1451F Datasheet PDF : 8 Pages
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Audio ICs
Pin No.
Function
· IF request
Output the IF signal to pin9 excess
of 4.0V.
Stops the IF signal at equal to or less
8
than 3.0V.
· MUTE
Apply to muting excess of 2.0V.
Off the muting at equal to or less
than 1.0V.
IF output
9
Output for the IF signal.
10 R-channel output
Internal circuit
10kΩ
8
MUTE IF OUT
10kΩ
GND 4
VCC 2
9
GND 4
VCC 2
BA1451F
Quiescent pin voltage (V)
FM
AM
0
0
4.2
4.2
1.5
1.5
11 L-channel output
GND 4
· PLL filter
Connect to a lag/lead filter.
12
· AM / FM band switch
AM band when connected to GND.
· Forced monaural
Forced monaural operation connecting
to get a resistor to mediate.
(Recommended value : 10kΩ to
13
ground.)
· Pilot filter
Connect to a capacitor.
Vreg 23
GND 4
Vreg 23
GND 4
10/11
1.5
1.5
12
AM/FM
2.1
0
13
MONO
2.1
2.1
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