参数资料
型号: LC75412WS
元件分类: 音频控制
英文描述: VOLUME CONTROL CIRCUIT, PQFP64
封装: 10 X 10 MM, SQFP-64
文件页数: 8/19页
文件大小: 179K
代理商: LC75412WS
LC75412WS
No.A1354-16/19
Fader Volume Block Equivalent Circuit Block Diagram
When -
∞ data is sent to the main volume, S1 and S2 become open, and S3 and S4 simultaneously become ON.
LFIN
5.437k
Ω
When FADER = "1", S2 and S3 are ON.
When FADER = "0", S1 and S4 are ON.
Total resistance: 50k
Ω
Same for right channel
4.846k
Ω
8.169k
Ω
4.094k
Ω
LFOUT
LVref
-1dB
-2dB
0dB
S1
S2
S3
S4
6.489k
Ω
5.154k
Ω
-6dB
-8dB
-4dB
3.252k
Ω
2.583k
Ω
2.052k
Ω
3.419k
Ω
-12dB
-14dB
-10dB
1.630k
Ω
1.295k
Ω
-18dB
-20dB
-16dB
1.300k
Ω
0.231k
Ω
-45dB
-60dB
-
∞dB
-30dB
0.050k
Ω
LROUT
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