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SC9260 Datasheet(PDF) 5 Page - Silan Microelectronics Joint-stock

Part # SC9260
Description  2CH ELECTRONIC VOLUME CONTROLLER CONTROLLED BY SERIAL INTERFACE WITH LOUDNESS CONTROL
PDF  12 Pages
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Manufacturer  SILAN [Silan Microelectronics Joint-stock]
Direct Link  http://www.silan.com.cn
Logo SILAN - Silan Microelectronics Joint-stock

SC9260 Datasheet(HTML) 5 Page - Silan Microelectronics Joint-stock

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SC9260
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
REV:1.0
2004.08.03
Http: www.silan.com.cn
Page 5 of
12
FUNCTION DESCRIPTION
1. Volume circuit
Volume circuit consist of ladder resistor and analog switch.
Tap for loudness is connected to step 10 (20dB). Loudness operation is controlled by LS1/LS2 switches.
Equivalence circuit
Volume step and attenuation
Step
attenuation
step
attenuation
K0
0(dB)
K21
42
K1
2
K22
44
K2
4
K23
46
K3
6
K24
48
K4
8
K25
50
K5
10
K26
52
K6
12
K27
54
K7
14
K28
56
K8
16
K29
58
K9
18
K30
60
K10
20
K31
62
K11
22
K32
64
K12
24
K33
66
K13
26
K34
68
K14
28
K35
70
K15
30
K36
72
K16
32
K37
74
K17
34
K38
76
K18
36
K39
78
K19
38
K40
K20
40



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