LC75421

Manufacturer Part NumberLC75421
DescriptionElectronic Volume Controller for Cars
ManufacturerSanyo Semiconductor Corporation
LC75421 datasheet
 
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Page 5/24:

Bass Band Control Block

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Bass Band Control Block

Parameter
Symbol
Control range
Gbass
Step resolution
Estep
Internal feedback resistance
Rfeed
Treble Band Control Block
Parameter
Symbol
Control range
Gtre
Step resolution
Estep
Internal feedback resistance
Rfeed
Super Bass Block (Type T)
Parameter
Symbol
Control range
Crange
Step resolution
Estep
Internal feedback resistance
Rfeed
General
Parameter
Symbol
Total harmonic distortion
THD
Crosstalk
CT
Maximum attenuated output
Vomin
VN-1
Output noise voltage
VN-2
Input high-level current
I
IH
Input low-level current
I
IL
LC75421M
Pin Name
Conditions
MAX. Boost/Cut
Pin Name
Conditions
MAX. Boost/Cut
Pin Name
Conditions
MAX. Boost
Conditions
V
= 1 Vrms, f = 1 kHz, flat overall
IN
V
= 1 Vrms, f = 1 kHz, flat overall, Rg = 1 kΩ
IN
V
= 1 Vrms, f = 1 kHz, main volume –∞
IN
Fflat overall, (IHF-A), RG = 1 kΩ
Flat overall, (DIN-AUDIO), RG = 1 kΩ
CL, DI, CE V
= 8 V
IN
CL, DI, CE V
= 0 V
IN
Ratings
Unit
min
typ
max
±10
±11.9
±14
dB
1
1.7
3
dB
45.084
kΩ
Ratings
Unit
min
typ
max
±10
±11.9
±14
dB
1
1.7
3
dB
56.084
kΩ
Ratings
Unit
min
typ
max
+20
dB
+2.0
dB
66.6
kΩ
Ratings
Unit
min
typ
max
0.003
0.01
%
80.5
dB
–80
dB
8
µV
10
µV
10
µA
–10
µA
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