參數(shù)資料
型號(hào): LC75348M
廠(chǎng)商: SANYO SEMICONDUCTOR CO LTD
元件分類(lèi): 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO30
封裝: MFP-30
文件頁(yè)數(shù): 15/21頁(yè)
文件大小: 214K
代理商: LC75348M
No. 7308 -3/21
LC75348, 75348M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
VDD
4.5
10
V
High-level input voltage
VIH
CL, DI, CE
2.7
10
V
Low-level input voltage
VIL
CL, DI, CE
VSS
1.0
V
Input voltage amplitude
VIN
CE, DI, CL, L1 to L4, R1 to R4, LIN, RIN
VSS
VDD
Vp-p
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
Allowable Operating Ranges at Ta = –30 to +75°C, VSS = 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
Input resistance
Rin
L1, L2, L3, L4, R1, R2, R3, R4
50
k
Clipping level
Vcl
LSELO, RSELO
THD = 1.0%, f = 1 kHz
2.50
Vrms
Output load resistance
Rl
LSELO, RSELO
10
k
[Volume Control Block]
Input resistance
Rin
LIN, RIN
50
k
Step resolution
Vstep
1
dB
[Treble Band Equalizer Control Block]
Control range
Geq
max. boost/cut
±8
±10
±12
dB
Step resolution
Estep
1
2
3
dB
Internal feedback resistance
Rfeed
51.7
k
[Bass Band Equalizer Control Block]
Control range
Geq
max. boost/cut
±18
±20
±22
dB
Step resolution
Estep
1
2
3
dB
Internal feedback resistance
Rfeed
66.6
k
[Overall Characteristics]
Total harmonic distortion
THD
VIN = 1 Vrms, f = 1 kHz,
0.01
%
All controls flat overall
VIN = 1 Vrms, f = 1 kHz,
Crosstalk
CT
Rg = 1 k
80
dB
All controls flat overall
Output noise voltage
VN
All controls flat overall
6
V
IHF – A
Maximum attenuation
Vomin
All controls flat overall
–80
dB
Current drain
IDD
VDD – VSS = +10 V
40
mA
High-level input current
IIH
CL, DI, CE: VIN = 10 V
10
A
Low-level input current
IIL
CL, DI, CE: VIN = 0 V
–10
A
Electrical Characteristics at Ta = 25°C, VDD = 9 V, VSS = 0 V
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LC75348 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP30
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