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參數資料
| 型號： | LA3220 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, AUDIO PREAMPLIFIER, DIP14 |
| 封裝： | DIP-14 |
| 文件頁數： | 7/8頁 |
| 文件大?。?/td> | 143K |
| 代理商： | LA3220 |
LA3220
No.912-7/9
VO – VIN
THD – VO
5
7
0.1
1.0
5
3
2
5
7
3
2
3
2
3
5
7
0.1
1.0
2
5
3
5
7
0.1
1.0
2
3
2
26
8
12
10
414
Supply voltage, VCC –V
– 80
– 70
– 60
– 50
– 40
– 30
– 20
– 10
Input voltage, VIN –V
2
3
5
0.1
1.0
7
5
2
5
7
1.0
2
3
2
3
5
0.1
1.0
2
3
2
3
5
7
25
7
1.0
32
5
7
10
32
5
7
3
100
Input voltage, VIN –mV
THD – VCC
0.1
35
7
1.0
22
3
Output voltage, VO –V
ALC THD,VO – VIN
Output
voltage,
V
O
–V
T
otal
harmonic
distortion,
THD
–
%
T
otal
harmonic
distortion,
THD
–
%
ALC
output,
V
O
–V
ALC
output,
V
O
–V
ALC
distortion
–
%
100
60
80
20
40
25
100
1k
32
5
3
10k
25
32
5
3
100k
2
4
6
8
10
12
14
4
6
0
2
8
10
100
80
40
60
VGo – f
THD,VGo – VCC
V
oltage
gain,
VGo
–
d
B
V
oltage
gain,
V
Go
–
d
B
T
otal
harmonic
distortion,
THD
–
%
f =
100Hz
f =
100Hz
1kHz
10kHz
VCC = 5V
RL = 10kΩ
VG = 40dB/1kHz
Rg = 600
Ω
NAB
VO = 0.5V
f = 1kHz
RL = 10kΩ
VG = 40dB/1kHz
VCC = 5V
RL = 10kΩ
CNF = 470μF
f = 1kHz
VO = 0dB
VCC = 5V
RL = 10kΩ
VG = 40dB/1kHz
f = 1kHz
RL = 680Ω
+
DS422
× 2
300k
Ω
2.2k
Ω
680
Ω
680
Ω
10
μF
4.7
μF
4.7
μF
47
μ
F
+
IS188
× 2
300k
Ω
2.2k
Ω
680
Ω
680
Ω
10
μF
10
μF
4.7
μF
47
μ
F
VCC =
4V
V CC
=
4V
V
CC
=
3V
THD
=
3.5V
6V
5V
4V
5V
VO
3
5
7
2
3
5
2
1.0
– 80
– 70
– 60
– 50
– 40
– 30
– 20
– 10
Input voltage, VIN –V
Frequency, f – Hz
23
5
100
23
5
1k
23
5
2
3
5
10k
100k
Frequency, f – Hz
Supply voltage, VCC –V
0
100
80
20
40
60
ALC THD,VO – VIN
VG – f
ALC
distortion
–
%
V
o
ltage
gain,VG
–
d
B
VCC = 5V
Rg = 600
Ω
VGo
(C
NF =
470
μF)
FLAT
NAB
THD
680Ω
680
Ω
RL =
10kΩ
R
L = 10k
Ω
VGo
C
X 10pF
C
X 40pF
C
X none
2.2k
Ω
51k
Ω
CX
10k
Ω
10
μF
10
μF
47
μF
220
μF
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