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PDF LC75410E Data sheet ( Hoja de datos )

Número de pieza LC75410E
Descripción Electronic Volume Controller for Car Audio Systems
Fabricantes Sanyo Semicon Device 
Logotipo Sanyo Semicon Device Logotipo



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No Preview Available ! LC75410E Hoja de datos, Descripción, Manual

Ordering number : ENN7027
CMOS IC
LC75410E, 75410W
Electronic Volume Controller
for Car Audio Systems
Overview
The LC75410E and 75410W are electronic volume
controllers that enable control of volume, balance, fader,
bass/treble/mid, loudness, input switching, and input gain
using only a small number of external components.
Functions
• Volume: 0 dB to –79.5 dB in 0.5-dB steps, and –(161
positions) Balance function with separate L/R
control
• Fader: rear output or front output can be attenuated
across 16 positions (in 1-dB steps from 0 dB to
–2 dB, 2-dB steps from –2 dB to –20 dB, 10-dB
steps from –20 dB to –30 dB, and –45 dB,
–60 dB, –)
• Bass/treble/mid: Each band can be controlled in 1-dB
steps from 0 dB to ±6 dB, and in 2-dB
steps from ±8 dB to ±12 dB.
• Input gain: 0 dB to +18.75 dB (1.25-dB steps)
amplification is possible for the input signal.
• Input switching: five input signals can be selected for
Left and for Right (Four are single-
ended inputs and one is a differential
input.)
• Loudness: A tap is output from the –32 dB position of a
2 dB step volume control resistor ladder.
A loudness function can be implemented by
connecting an external RC circuit.
Features
• On-chip buffer amplifier cuts down number of external
components
• Low switching noise generated by on-chip switch
through use of silicon gate CMOS process, for low
switching noise when there is no signal
• Low switching noise when there is a signal due to use
of on-chip zero-cross switching circuit
• On-chip 1/2 VDD reference voltage circuit
• Controls performed with serial input (CCB)
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O1901RM (OT) No. 7027-1/28

1 page




LC75410E pdf
Continued from preceding page.
LC75410E, 75410W
Parameter
[Fader Block]
Input resistance
Symbol
Pin Name
Rfed LFIN, RFIN
Step setting error
ATerr
L/R balance
[General]
Total harmonic distortion
Input crosstalk
L/R crosstalk
Maximum attenuated output
Output noise voltage
Current drain
Input high-level current
Input low-level current
Maximum input voltage
Common-mode rejection ratio
BAL
THD (1) VIN = 0dBV, f = 1 kHz
THD (2) VIN = –10dBV, f = 10 kHz
CT VIN = 1Vrms, f = 1 kHz
CT VIN = 1Vrms, f = 1 kHz
Vomin (1) VIN = 1Vrms, f = 1 kHz
Vomin (2)
VIN = 1Vrms, f = 1 kHz
INMUTE, fader –
VN (1)
VN (2)
Flat overall, IHF-A filter
Flat overall, 20 to 20 kHzBPF
IDD
IIH
IIL
VCL
CMRR
CL, DI, CE, VIN = 9 V
CL, DI, CE, VIN = 0 V
THD = 1%, RL = 10 k
flat overall, fIN = 1 kHz
VIN = 0 dB, f = 1 kHz
Conditions
0dB to –2dB
–2dB to –20dB
–20dB to –30dB
–30dB to –60dB
Ratings
Unit
min typ max
25 50 100 k
±0.5
dB
±1 dB
±2 dB
±3 dB
±0.5
dB
0.004
0.006
80 88
80 88
80 88
90 95
5
7
40
–10
2.3 2.8
45 70
0.01
0.01
10
15
45
10
%
%
dB
dB
dB
dB
µV
µV
mA
µA
µA
Vrms
dB
Control Timing and Data Format
To control the LC75410E and LC75410W input specified serial data to the CE, CL, and DI pins.
The data configuration consists of a total of 52 bits broken down into 8 address bits and 44 data bits.
CE
DI B0 B1 B2 B3 A0 A1 A2 A3 D0 D1 D2 D3 D4 D5
CL
D38 D39 D40 D41 D42 D43
CE 1µs 1µs 1µs
min min min
1µs
CL min
DI
1µs min TDEST
1µs
min
No. 7027-5/28

5 Page





LC75410E arduino
Three-Band Equalizer Control
D16 D17 D18 D19
D20 D21 D22 D23
D24 D25 D26 D27
0110
1010
0010
1100
1100
0100
0100
1000
1000
0000
1001
1001
0101
0101
1101
1101
0011
1011
0111
LC75410E, 75410W
D40
D41
D42
0 +12dB
0 +10dB
0 +8dB
0 +6dB
1 +5dB
0 +4dB
1 +3dB
0 +2dB
1 +1dB
0 0dB
1 –1dB
0 –2dB
1 –3dB
0 –4dB
1 –5dB
0 –6dB
0 –8dB
0 –10dB
0 –12dB
f1 band
f2 band
f3 band
Fader Volume Control
D28 D29 D30
000
100
010
110
001
101
011
111
000
100
010
110
001
101
011
111
D31
0 0dB
0 –1dB
0 –2dB
0 –4dB
0 –6dB
0 –8dB
0 –10dB
0 –12dB
1 –14dB
1 –16dB
1 –18dB
1 –20dB
1 –30dB
1 –45dB
1 –60dB
1 –
Operation
Channel Selection Control
D32 D33
Operation
0 0 L/R simultaneously, Initial setting mode
1 0 RCH
0 1 LCH
1 1 L/R simultaneously
No. 7027-11/28

11 Page







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