參數(shù)資料
型號(hào): LC75421M
廠商: Sanyo Electric Co.,Ltd.
英文描述: Electronic Volume Controller for Cars
中文描述: 汽車(chē)電子音量控制器
文件頁(yè)數(shù): 14/24頁(yè)
文件大?。?/td> 392K
代理商: LC75421M
No. 6866-14/24
LC75421M
Fader Volume Block Equivalent Circuit Diagram
LFIN
S1
S2
0 dB
26.342 k
4.866 k
50 k
18.792 k
+6.5 dB
+8.5 dB
0 dB
26.342 k
4.866 k
50 k
18.792 k
Same for right channel
Unit: (Resistance:
)
When FADER = “1”, S2 and S3 are ON
When FADER = “0”, S1 and S4 are ON
Total = 50 k
+6.5 dB
+8.5 dB
S4
S3
LFOUT
LROUT
LVref
When –
data is sent to the main volume, S1 and S2 become open, and S3 and S4 simultaneously become ON.
10.284 k
8.169 k
6.489 k
5.154 k
4.094 k
3.252 k
2.583 k
2.052 k
1.630 k
1.295 k
2.188 k
1.923 k
0.608 k
0.231 k
0.050 k
0 dB
–2 dB
–4 dB
–6 dB
–8 dB
–10 dB
–12 dB
–14 dB
–16 dB
–18 dB
–20 dB
–25 dB
–35 dB
–45 dB
–60 dB
dB
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