參數(shù)資料
型號(hào): LA7477W
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, SQFP-48
文件頁(yè)數(shù): 2/12頁(yè)
文件大小: 129K
代理商: LA7477W
LA7477W
No.5775-10/12
Continued from preceding page.
Pin No.
Pin Name
DC
voltage
AC voltage
Description
Equivalent circuit
9
ALC DET
ALC detection
IR (MIC)
≈ 1.8μA
IR (LINE)
≈ 0.5μA
9
30k
Ω
IR
10
28
DC DET R
DC DET L
1.80V
Detects the DC level and cancels the
offset.
10
28
10k
Ω
10k
Ω
15k
Ω
11
12
26
27
REC OUT + R
REC OUT - R
REC OUT - L
REC OUT + L
1.80V
-17dBV
(Reference
inputs)
Right channel record output + phase
Right channel record output - phase
Left channel record output - phase
Left channel record output + phase
12
26
11
27
13
25
DE-EMPHASIS R
DE-EMPHASIS L
1.80V
Deemphasis control
13
25
35k
Ω
15k
Ω
14
15
23
24
AMP + IN R
AMP - IN R
AMP - IN L
AMP + IN L
1.80V
Right channel playback + phase input
Right channel playback - phase input
Left channel playback - phase input
Left channel playback + phase input
15 23
14
24
VREF
12k
Ω
15k
Ω
12k
Ω
15k
Ω
16
17
18
CHIP SELECT IN
CLOCK IN
DATA IN
Chip select input
Clock input
Data input
17
16
18
50k
Ω
50k
Ω
3pF
Continued on next page.
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