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參數資料
| 型號： | LC75383E |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁數： | 10/17頁 |
| 文件大小： | 376K |
| 代理商： | LC75383E |
Allowable Operating Ranges at Ta = 25°C, VSS = 0 V
Electrical Characteristics at Ta = 25°C, VDD = 9 V, VSS = 0 V
No. 5002-2/17
LC75383E
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VDD
6.0
11.0
V
Input high level voltage
VIH
CL, DI, CE
4.0
VDD
V
Input low level voltage
VIL
CL, DI, CE
VSS
1.0
V
Input voltage amplitude
VIN
LTIN, RTIN, L10dBIN, R10dBIN, L1dBIN, R1dBIN,
VSS
VDD
Vp-p
LFIN, RFIN, L1 to L4, R1 to R4
Input pulse width
tW
CL
1
s
Setup time
tSETUP
CL, DI, CE
1
s
Hold time
tHOLD
CL, DI, CE
1
s
Operating frequency
fopg
CL
500
kHz
Parameter
Symbol
Conditions
min
typ
max
Unit
[Input Block]
Input resistance
Rin
L1, L2, L3, L4, R1, R2, R3, R4
1
M
Clipping level
Vcl
LSELO, RSELO: THD = 1.0%
2.35
Vrms
Output load resistance
RL
LSELO, RSELO
10
k
Minimum input gain
Gin min
–2
0
+2
dB
Maximum input gain
Gin max
+16.0
+18.0
+20.0
dB
Step resolution
Gstep
+6.0
dB
[Volume Block]
Input resistance
Rv10
L10dBIN, R10dBIN: 10 dB steps
21
35
49
k
Rv1
L1dBIN, R1dBIN: 1 dB steps
6
10
14
k
Step resolution
ATstep
1
dB
Step error
ATerr
Step = 0 to –40 dB, –40 to –60 dB
–1
0
+1
dB
[Fader Volume Block]
Input resistance
Rfed
LFIN, RFIN
12
20
28
k
Step = 0 to –20 dB
2
dB
Step resolution
ATstep
Step = –20 to –25 dB
5
dB
Step = –25 to –45 dB
10
dB
Step error
ATerr
Step = 0 to –40 dB, –40 to –60 dB
–2
0
+2
dB
Output load resistance
RL
LFOUT, LROUT, RFOUT, RROUT
10
k
[Bass/Treble Control Block]
Control range
Gbass
Max. boost/cut
±15
±17
±19
dB
Gtre
Step resolution
Bstep
0.7
1.7
2.7
dB
Internal feedback resistance
Rfeed
46
76
107
k
[Overall]
Total harmonic distortion
THD (1)
VIN = 300 mVrms, f = 1 kHz, all controls flat overall
0.005
0.01
%
THD (2)
VIN = 300 mVrms, f = 20 kHz, all controls flat overall
0.008
0.02
%
Crosstalk
CT
VIN = 1 Vrms, f = 1 kHz, all controls flat overall, Rg = 1 k
60
84.5
dB
Maximum attenuation
Vo min
VIN = 1 Vrms, f = 1 kHz, main volume at –∞
–65
–80
dB
VN (1)
All controls flat overall (IHF-A), Rg = 1 k
5.2
12
V
VN (2)
All controls flat overall (DIN-AUDIO), Rg = 1 k
7.2
16
V
Output noise voltage
VN (3)
All controls flat overall (NO-FILTER), Rg = 1 k
9.2
20
V
VN (4)
Gv = +18 dB (IHF-A), Rg = 1 k
23
50
V
VN (5)
Bass = max. boost, treble = max. boost (IHF-A), Rg = 1 k
48
120
V
Current drain
IDD
VDD – VSS = 11 V
28
33
mA
Input high level current
IIH
CL, DI, CE, VIN = 9 V
10
A
Input low level current
IIL
CL, DI, CE, VIN = 0 V
–10
A
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