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參數(shù)資料
| 型號： | LA7458W |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, SQFP-64 |
| 文件頁數(shù)： | 10/22頁 |
| 文件大?。?/td> | 244K |
| 代理商： | LA7458W |
LA7458W
No.A0642-18/22
Switch Operation Table
SW No.
Parameter
Symbol
Input
point
Test
point
1
3
5
6
16
23
31
42
46
47
48
53
54
55
59
61
Remark
Record mode current
consumption 1
ICC3R1
A20+
A57
B
BBB
B
A
BBA
BAA
A
B
Record mode current
consumption 2
ICC5R1
A35+
A52
B
BBB
B
A
BBA
BAA
A
B
Record mode current
consumption 3
ICC3R2
A20+
A57
B
BBB
B
A
BBB
BAA
A
B
Record mode current
consumption 4
ICC5R2
A35+
A52
B
BBB
B
A
BBB
BAA
A
B
Record mode current
consumption 5
ICC3R3
A20+
A53
B
BBB
B
A
B
BBB
BAA
A
B
Record mode current
consumption 6
ICC5R3
A35+
A52
B
BBB
B
A
B
BBB
BAA
A
B
Playback mode current
consumption 1
ICC3P1
A20+
A57
B
BBB
B
A
BBB
BAB
A
B
Playback mode current
consumption 2
ICC5P1
A35+
A52
B
BBB
B
A
BBB
BAB
A
B
Playback mode current
consumption 3
ICC3P2
A20+
A57
B
BBB
B
A
B
BBB
BAB
A
B
Playback mode current
consumption 4
ICC5P2
A35+
A52
B
BBB
B
A
B
BBB
BAB
A
B
Internal microphone
power supply output
voltage
DCMIC
TA60
B
BBB
B
A
B
BBB
BAA
A
B
Microphone amplifier
voltage gain 1
VGMICI
TA61
TA63
B
BBB
B
A
B
BBB
BAA
A
B
A
Microphone amplifier
voltage gain 2
VGMICE
TA3
TA2
B
ABB
B
A
B
BBB
BBA
A
B
Microphone amplifier
distortion
THMIC
TA61
TA3
TA63
TA2
B
A
BB
B
A
B
BBB
BA
B
A
B
A
B
Microphone amplifier
maximum output
VOMAX
TA61
TA3
TA63
TA2
B
A
BB
B
A
B
BBB
BA
B
A
B
A
B
Microphone amplifier
output noise voltage 1
VNMICI
TA61
TA63
B
BBB
B
A
B
BBB
BAA
A
B
A
Microphone amplifier
output noise voltage 2
VNMICE
TA3
TA2
B
ABB
B
A
B
BBB
BBA
A
B
Microphone amplifier
input impedance
ZINMIC
TA61
TA3
B
A
BB
B
A
B
BBB
BA
B
A
B
A
B
Microphone mode Line
reference output
voltage
VOML
TA5
TA50
B
BAB
B
A
B
BBB
BAA
A
B
Microphone mode
Line output distortion
(THD)
THAL1
TA5
TA50
B
A
B
A
B
A
B
Microphone ALC
Line reference output
level
VOAL
TA5
TA50
B
A
B
A
B
A
B
Microphone ALC
Line output distortion
(THD)
THAL2
TA5
TA50
B
A
B
A
B
A
B
Microphone ALC mode
Maximum input level
VOLN
TA5
TA50
B
BAB
B
A
B
BBB
BAA
A
B
Line muting attenuated
output level
VMLM
TA5
TA50
B
BAB
B
A
B
BAB
BAA
A
B
Maximum attenuation
fader output
VFAL
TA5
TA50
B
A
B
A
B
A
B
E-E system monitor
frequency
characteristics 1
VOLF1
TA5
TA50
B
A
B
A
B
A
B
E-E system monitor
frequency
characteristics 2
VOLF2
TA5
TA50
B
A
B
A
B
A
B
Continued on next page.
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