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參數(shù)資料
| 型號(hào)： | LA72680M |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 14 MM, QFP-80 |
| 文件頁(yè)數(shù)： | 19/21頁(yè) |
| 文件大小： | 323K |
| 代理商： | LA72680M |
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LA72680M
No.7955-7/21
Pin Description
DC voltage
Pin
No.
Pin Function Name
AC level
Function
Equivalent circuit
1
77
Line Mute terminal(L)
Line Mute terminal(R)
When the power supply VCC is on, the
switch of Pin 77 and Pin 1 is turned to ON to
reduce the line out noise.
In this case, it is necessary to apply 5 fixed
DC to Pin 5.
10
Pin77
Pin1
2
Output terminal
for RF modulator
DC; 4.2V
Output terminal for RF modulator.
ALC level can be settled to -1dBV and OFF
by serial control.
300k
10k
400
A
MUTE
2.8k
3
VCC 9V
Power supply of Line Out.
5
ALWAYS VCC
Power supply for the noise elimination mute
control when power is on.
15
VCC 5V(Lch)
5V power supply of Lch.
32
VCC 5V
5V power supply of HEAD AMP.
36
Power supply for Logic
Power supply for Logic.
46
VCC 5V(Rch)
5V power supply of Rch.
54
9V power supply for
MTS
9V power supply of MTS.
DC; 2.5V
4
NORMAL input
terminal
AC; -28.2dBV
NORMAL IC output signal is entered and
output to Line Out through output changeover.
G4D7/0:0dB
1:3dB
500
150k
Vref
DC; 2.5V
6
NORMAL output
terminal
AC; -21.2dBv
This is connected to input of NORMAL
AUDIO IC.
200
320
A
DC ; 0V
7
9
11
69
71
73
Audio input terminal
EXT1_IN(L)
EXT2_IN(L)
EXT3_IN(L)
EXT1_IN(R)
EXT2_IN(R)
EXT3_IN(R)
AC; -28.2dBV
Audio input terminal.
500
50
A
100k
Continued on next page.
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| LA72680M-MPB-E | 制造商:ON Semiconductor 功能描述: 制造商:Sony Semiconductor Solutions Division 功能描述: |
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