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參數(shù)資料
| 型號： | LA4160 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP14 |
| 封裝： | HEAT SINK, DIP-14 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 224K |
| 代理商： | LA4160 |
LA4160
No.870-3/11
Test Circuit Diagram
1
2
3
4
5
6
7
14
13
12
11
10
9
8
+
C
D
B
A
LA4160
+
300kΩ
3.9kΩ
680Ω
10kΩ
56Ω
51kΩ
2.2kΩ
600Ω
4.7kΩ
4Ω
30kΩ
51Ω
47μF
4.7μF
100μF
10μF
470μF
0.15μF
0.033μF
470μF
22μF
220μF
4.7μF
470μF
VCC
10pF
SW8
SW7
20 to 20k Hz
B.P.F
Polyester
film
capacitor
1S188×2
SW6
SW4
SW2
SG
Rg
SW1
1
2
SW3
RL
Pre out
PWR OUT
SW5
Test Method
Switch
Item
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
Test area
Test method
ICCO
on
off
on
off
Test circuit current.
VG
2
off
on
off
A, D
20log VO/Vi (dB), where input voltage is Vi,
output voltage Vo.
PO
2
off
on
off
D
Test output voltage at THD
= 10% and convet it
into output.
THD
2
off
on
off
D
Test THD at output voltage VO = 1V.
VNO
on
off
on
off
D
Test output noise voltage
Power
ampli
fier
VNR
on
off
on
off
D
Superpose ripple (100Hz) 150mV on supply
voltage and test output ripple.
VGO
1
off
on
off
on
off
A, B
20log VO/Vi (dB).
VO max
1
off
on
off
B
Test output voltage at THD
= 1%.
VNI
off
on
off
on
off
C
Convert output noise voltage at Rg
= 2.2kΩ by
using gain at 1kHz.
preamplifi
e
r
ALC Input
level
1
off
on
A, B
Test input voltage at THD
= 1%.
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