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參數資料
| 型號： | LA72670BM |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 14 MM, QFP-80 |
| 文件頁數： | 4/11頁 |
| 文件大小： | 332K |
| 代理商： | LA72670BM |
LA72670BM
No.A0644-2/20
Operating Conditions
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended operating
voltage 1
VCCH
9V
Recommended operating
voltage 2
VCCL
5V
Recommended always voltage
VCCA
5V
Allowable operating voltage 1
VCCH op1
8.5 to 9.5
V
Allowable operating voltage 2
VCCL op2
4.8 to 5.3
V
Allowable operating always
voltage
VCCA op3
4.5 to 5.5
V
Electrical Characteristics
at Ta
= 25°C, VCCH=9V, VCCL=5V, VCCA=5V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Current dissipation
REC&EE 9V
ICCR1
No signal, Inflow current at Pin 3/54
G1D8D7:00
57
65
mA
Current dissipation EE 5V
ICCE1
No signal, Inflow current at Pin 15/32/36/46
G1D8D7:00
72
84
mA
Current dissipation REC
5V
ICCR2
No signal, Inflow current at Pin 15/32/36/46
G1D8D7:00, G1D4:1
100
115
mA
Current dissipation PB 9V
ICCP1
No signal, Inflow current at Pin 3/54
G1D8D7:01
11
13
mA
Current dissipation PB 5V
ICCP2
No signal, Inflow current at Pin 15/32/36/46
G1D8D7:01
85
97
mA
Current dissipation
always power supply
ICCAL
No signal, Inflow current at Pin 5,
Mute H at Pin 49
1.6
2
mA
[EE through] (LINE IN (EXT1,2,3) to LINE OUT), EE mode, f=1kHz, L/R-ch
Output level 1
VO1
VIN=-28.2dBV, Gain1 (G3 D4:0)
-7.5
-9
-10.5
dBV
Output level 2
VO2
VIN=-28.2dBV, Gain2 (G3 D4:1)
-6.5
-8
-9.5
dBV
Output distortion
THD
VIN=-28.2dBV, Gain1, 2
0.05
0.15
%
Channel gain difference
VO
VIN=-28.2dBV, Gain1, 2
-1
0
1
dB
Maximum output level
VOM
THD=1%, Gain1, 2
7
8.5
dBV
Output noise level
VNO
Rg=1k
, JIS-A filter, Gain1
-89
-85
dBV
Mute attenuation value
MU
VIN=-18.2dBV
-91
-80
dB
Input switch cross-talk
CT
VIN=-18.2dBV
-75
-68
dB
[Normal output] (LINE IN(EXT1/2/3) to NORMAL OUT(Pin 6)), EE mode, f=1kHz,G1D8D7:00
Output level for Normal
VONOR
VIN=-28.2dBV
-22
-21
-20
dBV
[BS through] (BS, IN to LINE OUT), f=1kHz, G2D6:1
Output level
VOTH
VIN=-21.2dBV, Gain1 (G3D4:0)
-10.5
-9
-7.5
dBV
[RFC output] (NORMAL IN to RFC OUT), f=1kHz, G2D3D4:10, G4D7:0
Output level
VOR
VIN=-21.2dBV, G4D2:0
-11.0
-9.5
-8.0
dBV
Output distortion
THDR
VIN=-21.2dBV, G4D2:0
0.05
0.2
%
ALC level (1)
VOAR1
VIN=-11.2dBV, G4D2:0
-7.0
-5.5
-4.0
dBv
ALC distortion (1)
THDAR1
VIN=-11.2dBV, G4D2:0
0.3
0.5
%
ALC level (2)
VOAR2
VIN= -11.2dBV, G4D2:1
-3.0
-1.5
0
dBv
ALC distortion (2)
THDAR2
VIN= -11.2dBV, G4D2:1
0.3
0.5
%
[LINE AMP] (NORMAL IN to LINE OUT), EE mode, f=1kHz, Left channel and Right channel, G2D4D3:10
Line amp gain
GVL
Gain1 mode, VIN=-21dBV
11
12
13
dB
[REC system] (LINE IN to VCO OUT), f=1kHz, G1D4:1(REC_MODE), G1D3D2;O1(EXT1), G3D8;0(NTSC), G4D5D6;00
Free-running frequency L
fOL
Input no signal
1.294
1.300
1.306
MHz
Free-running frequency R
fOR
Input no signal
1.694
1.700
1.706
MHz
Standard frequency deviation
L&R
DEV
VIN=-28.2dBV
±46
±50
±54
kHz
Carrier output level Lch
VfoL
Non modulation
450
500
550
mVp-p
Continued on next page.
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