lc75421m Sanyo Semiconductor Corporation, lc75421m Datasheet - Page 12

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lc75421m

Manufacturer Part Number
lc75421m
Description
Electronic Volume Controller For Cars
Manufacturer
Sanyo Semiconductor Corporation
Datasheet

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Volume Block Equivalent Circuit Diagram
R10 = 1930
R11 = 1720
R12 = 1533
R13 = 1366
R14 = 1218
R15 = 1085
R1 = 5434
R2 = 4845
R3 = 4319
R4 = 3850
R5 = 3431
R6 = 3058
R7 = 2726
R8 = 2429
R9 = 2165
R16 = 967
R17 = 862
R18 = 768
R19 = 685
R20 = 610
R21 = 544
R22 = 485
R23 = 432
R24 = 385
R25 = 343
R26 = 306
R27 = 273
LIN
–10 dB
–11 dB
–12 dB
–13 dB
–14 dB
–15 dB
–16 dB
–17 dB
–18 dB
–19 dB
–20 dB
–21 dB
–22 dB
–23 dB
–24 dB
–25 dB
–26 dB
–27 dB
–1 dB
–2 dB
–3 dB
–4 dB
–5 dB
–6 dB
–7 dB
–8 dB
–9 dB
0 dB
794
R81
R28 = 243
R29 = 216
R30 = 193
R31 = 172
R32 = 153
R33 = 137
R34 = 122
R35 = 108
R36 = 97
R37 = 86
R38 = 77
R39 = 68
R40 = 61
R41 = 54
R42 = 48
R43 = 86
R44 = 77
R45 = 69
R46 = 61
R47 = 55
R48 = 49
R49 = 87
R50 = 77
R51 = 69
R52 = 61
R53 = 55
R54 = 49
796
R82
Same for right channel
Unit: (Resistance: )
798
R83
LC75421M
–28 dB
–29 dB
–30 dB
–31 dB
–32 dB
–33 dB
–34 dB
–35 dB
–36 dB
–37 dB
–38 dB
–39 dB
–40 dB
–41 dB
–42 dB
–43 dB
–44 dB
–45 dB
–46 dB
–47 dB
–48 dB
–49 dB
–50 dB
–51 dB
–52 dB
–53 dB
–54 dB
800
R84
R55 = 87
R56 = 77
R57 = 69
R58 = 61
R59 = 55
R60 = 49
R61 = 87
R62 = 78
R63 = 69
R64 = 62
R65 = 55
R66 = 49
R80 = 359
802
R85
R67 = 87
R68 = 78
R69 = 69
R70 = 62
R71 = 55
R72 = 49
R73 = 87
R74 = 78
R75 = 69
R76 = 62
R77 = 55
R78 = 49
R79 = 44
LVref
804
R86
–55 dB
–56 dB
–57 dB
–58 dB
–59 dB
–60 dB
–61 dB
–62 dB
–63 dB
–64 dB
–65 dB
–66 dB
–67 dB
–68 dB
–69 dB
–70 dB
–71 dB
–72 dB
–73 dB
–74 dB
–75 dB
–76 dB
–77 dB
–78 dB
–79 dB
– dB
No. 6866-12/24
To
Treble
Block

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