參數(shù)資料
型號(hào): LC01700PW
元件分類: 調(diào)諧器
英文描述: AUDIO TUNER, PQFP48
封裝: 7 X 7 MM, SQFP-48
文件頁數(shù): 16/18頁
文件大?。?/td> 141K
代理商: LC01700PW
LA7458W
No.A0642-7/22
Pin Functions
Pin
No.
Pin name
DC
voltage
AC
voltage
Function
Equivalent Circuit
1
BUFFER IN
External filter buffer input.
This is a high-impedance input.
2
MIC OUT
1.575V
(VREFL)
Microphone amplifier output.
This is a low-impedance output.
3
EXT MIC IN
1.575V
External microphone input.
The input impedance is 70k
Ω.
4
EXT MIC ANP FB
External microphone amplifier
negative feedback input.
5
MIC ALC IN
1.85V
(VREFH)
Standard
input:
-43dB
Microphone input (ALC).
6
FADE CTL
Fader control input.
The input voltage must be between
0V and VCC1.
Continued on next page.
1
200
Ω
VCC1
2
VCC1
3
200
Ω
70k
Ω
VREFL
VCC1
4
200
Ω
100k
Ω
EXT AMP OUT
VCC1
5
200
Ω
50k
Ω
VREFH
VCC1
6
50k
Ω
70k
Ω
1k
Ω
VCC1
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