參數(shù)資料
型號: 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): 7/18頁
文件大?。?/td> 141K
代理商: LC01700PW
LA7458W
No.A0642-15/22
Continued from preceding page.
Pin
No.
Pin name
DC
voltage
AC
voltage
Function
Equivalent Circuit
59
LINE IN
1.85V
(VREFH)
Standard
input :
-33dBs
Line input (ALC).
60
INT MIC VCC
2.3V
Internal microphone power supply.
61
INT MIC IN
1.575V
Internal microphone amplifier input.
The input impedance is 70k
Ω.
62
INT MIC MAP FB
Internal microphone amplifier
negative feedback input.
63
INT MIC OUT
1.575V
Internal microphone amplifier output.
This is a low-impedance output.
64
VREF L OUT
1.575V
VREF bias voltage output.
50k
Ω
59
200
Ω
VCC1
VREF
20k
Ω
38k
Ω
60
200
Ω
VCC1
70k
Ω
61
200
Ω
VCC1
VREF
62
200
Ω
100k
Ω
INT AMP OUT
VCC1
63
64
200
Ω
VCC1
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