參數(shù)資料
型號: LA7477W
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, SQFP-48
文件頁數(shù): 3/12頁
文件大?。?/td> 129K
代理商: LA7477W
LA7477W
No.5775-11/12
Continued from preceding page.
Pin No.
Pin Name
DC
voltage
AC voltage
Description
Equivalent circuit
19
20
21
22
CONT4
CONT3
CONT2
CONT1
CONT outputs
50k
Ω
19
20
21
22
29
MUTE CTL
Muting control
2.3V or higher: Muting on
0.7V or lower: Muting off
29
20k
Ω
108k
Ω
50k
Ω
35
VCCH
4.75V
37
POWER MUTE
Used to temporarily set the IC to the
muted state when power is applied or
removed.
37
1k
Ω
1k
Ω
30k
Ω
10k
Ω
200
Ω
VCCH
38
39
VREF
VREF OUT
1.80V
Ripple rejection filter connection
VREF output
39
38
40.2k
Ω
53k
Ω
40
VCCL
3.15V
41
47
LINE OUT L
LINE OUT R
2.375V
-10dBV
(Reference
inputs)
Left channel line output
Right channel line output
41
47
VCCH
10.2k
Ω
2k
Ω 2kΩ
8.2k
Ω
42
45
46
HEADPHONE L
SPEAKER OUT
HEADPHONE R
2.375V
-35dBV
-18dBV
-35dBV
(Reference
inputs)
Left channel headphone output
Speaker output
Right channel headphone output
45
42
46
VCCH
43
POWER MUTE
OUT
Muting control output used when
power is applied or removed.
43
VCCH
10k
Ω
200
Ω
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