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LA72714VA Datasheet(PDF) 6 Page - Sanyo Semicon Device

Part No. LA72714VA
Description  Monolithic Linear IC For JPN TV Multi Channel Television Sound Decoder IC
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA72714VA
No.A0626-6/14
Pin Functions
Pin No.
Pin Name
Function
DC voltage
AC level
Equivalent Circuit
1
AM DETECTOR
Reference terminal of AM detection.
DC : 2.3V
2
14
DC FILTER OUT
Absorbing the DC offset of signal line by
external capacity.
2pin
DC : 2.6V
14pin
DC : 2.1V
3
15
DC FILTER IN
Absorbing the DC offset of signal line by
external capacity.
DC : 2.4V
4
FM FILTER
Filter terminal for making stable DC voltage of
FM detection output in SIF part.
Normally, use a condenser of 4.7
μF. Increase
the capacity value with concerning frequency
characteristics of low level.
DC : 2.9V
5
SIF INPUT
Input terminal for SIF.
The input impedance is about
5k
Ω. Be care for about pattern layout of the
input circuit, because of causing buzz-beat and
buzz by leaking noise signal into the input
terminal. (The noise signal depending on sound
is particularly video signal and chroma signal
and so on. VIF carrier becomes noise signal.)
DC : 2.4V
6
GND
Continued on next page
10k
Ω
10k
Ω
VCC
1k
Ω
1k
Ω
2.4V
1k
Ω
2k
Ω
2k
Ω
100k
Ω
1k
Ω
1k
Ω
10k
Ω
10k
Ω
500
Ω
500
Ω




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