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參數(shù)資料
| 型號： | LC75348M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip Electronic Volume and Tone Control System |
| 中文描述： | 單芯片電子音量和音調(diào)控制系統(tǒng) |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 215K |
| 代理商： | LC75348M |
No. 7308 -3/21
LC75348, 75348M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
V
DD
V
IH
V
IL
V
IN
tW
V
DD
CL, DI, CE
4.5
10
V
High-level input voltage
2.7
10
V
Low-level input voltage
CL, DI, CE
V
SS
V
SS
1.0
V
Input voltage amplitude
CE, DI, CL, L1 to L4, R1 to R4, LIN, RIN
V
DD
Vp-p
Input pulse width
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
Allowable Operating Ranges
at Ta = –30 to +75°C, V
SS
= 0 V
Parameter
Symbol
Pin name
Conditions
Ratings
Unit
min
typ
max
[Input Block]
Maximum input gain
Gin max
30
dB
Step resolution
Gstep
2
dB
k
Vrms
k
Input resistance
Rin
L1, L2, L3, L4, R1, R2, R3, R4
50
Clipping level
Vcl
LSELO, RSELO
THD = 1.0%, f = 1 kHz
2.50
Output load resistance
Rl
LSELO, RSELO
10
[Volume Control Block]
Input resistance
Rin
LIN, RIN
50
k
dB
Step resolution
Vstep
1
[Treble Band Equalizer Control Block]
Control range
Geq
max. boost/cut
±8
±10
±12
dB
Step resolution
Estep
1
2
3
dB
k
Internal feedback resistance
Rfeed
51.7
[Bass Band Equalizer Control Block]
Control range
Geq
max. boost/cut
±18
±20
±22
dB
Step resolution
Estep
1
2
3
dB
k
Internal feedback resistance
Rfeed
66.6
[Overall Characteristics]
Total harmonic distortion
THD
V
IN
= 1 Vrms, f = 1 kHz,
All controls flat overall
0.01
%
V
IN
= 1 Vrms, f = 1 kHz,
Rg = 1 k
All controls flat overall
Crosstalk
CT
80
dB
Output noise voltage
VN
All controls flat overall
IHF – A
6
μV
Maximum attenuation
Vomin
All controls flat overall
–80
dB
Current drain
I
DD
I
IH
I
IL
V
DD
– V
SS
= +10 V
CL, DI, CE: V
IN
= 10 V
CL, DI, CE: V
IN
= 0 V
40
mA
High-level input current
10
μA
Low-level input current
–10
μA
Electrical Characteristics
at Ta = 25°C, V
DD
= 9 V, V
SS
= 0 V
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參數(shù)描述 |
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