
LC75412WS
No.A1354-2/19
Allowable Operating Ranges
at Ta = 25
°C, VSS = 0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VDD
6.0
10
V
Input high-level voltage
VIH
CL, DI, CE
4.0
10
V
Input low-level voltage
VIL
CL, DI, CE
VSS
1.0
V
Input amplitude voltage
VIN
VSS
VDD
Vp-p
Input pulse width
T
φW
CL
1
μs
Setup time
Tsetup
CL, DI, CE
1
μs
Hold time
Thold
CL, DI, CE
1
μs
Operating frequency
fopg
CL
500
kHz
Electrical Characteristics
at Ta = 25
°C, VDD = 9V, VSS = 0V
Ratings
Parameter
Symbol
Pin Name
Conditions
min
typ
max
Unit
[Input block]
Input resistance
Rin
L1 to L4, L6, R1 to R4, R6
30
50
70
k
Ω
Minimum input gain
Ginmin
L1 to L4, L6, R1 to R4, R6
-1
0
+1
dB
Maximum input gain
Ginmax
+16.5
+18.75
+21
dB
Step setting error
ATerr
±0.6
dB
L/R balance
BAL
±0.5
dB
[Volume block]
Input resistance
Rvr
LVRIN, RVRIN
loudness off
25
50
100
k
Ω
Step setting error
ATerr
0dB to -40dB
±0.5
dB
L/R balance
BAL
0dB to -40dB
±0.5
dB
[Tone block]
Step setting error
ATerr
-8dB to +8dB
±1.0
dB
Bass control range
Gbass
max. boost/cut
±15
±18
±21
dB
Treble control range
Gtre
max. boost/cut
±15
±18
±21
dB
L/R balance
BAL
±0.5
dB
[Fader block]
Input resistance
Rfed
LFIN, RFIN
25
50
100
k
Ω
0dB to -2dB
±0.5
dB
-2dB to -20dB
±1dB
-20dB to -30dB
±2dB
Step setting error
ATerr
-30dB to -60dB
±3dB
L/R balance
BAL
0dB to -60dB
±0.5
dB
[General]
THD (1)
VIN = 0dBV, f = 1kHz
0.004
0.01
%
Total harmonic distortion
THD (2)
VIN = -10dBV, f = 10kHz
0.006
0.01
%
Input crosstalk
CT
VIN = 1Vrms, f = 1kHz
80
88
dB
L/R crosstalk
CT
VIN = 1Vrms, f = 1kHz
80
88
dB
Vomin (1)
VIN = 1Vrms, f = 1kHz
80
88
dB
Maximum attenuated output
Vomin (2)
VIN = 1Vrms, f = 1kHz
INMUTE, fader
∞
90
95
dB
VN (1)
Flat overall, IHF-A filter
5
10
μV
Output noise voltage
VN (2)
Flat overall, 20 to 20kHzBPF
7
15
μV
Current drain
IDD
55
60
mA
Input high-level current
IIH
CL, DI, CE, VIN = 9V
10
μA
Input low-level current
IIL
CL, DI, CE, VIN = 0V
-10
μA
Maximum input voltage
VCL
THD = 1%, RL = 10kΩ
flat overall, fIN = 1kHz
2.3
2.5
Vrms
Common-mode rejection ratio
CMRR
VIN = 0dB, f = 1kHz
70
dB