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參數資料
| 型號： | LA4182 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP12 |
| 封裝： | DIP-12 |
| 文件頁數： | 3/10頁 |
| 文件大小： | 409K |
| 代理商： | LA4182 |
Recommended Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VCC
9V
Load resitance
RL
Stereo
4 to 8
Bridge
8
Operating Characteristics at Ta = 25°C, VCC =9 V,f=1 kHz, RL =4 ,Rg=600 , (
): 8
,
See specified Test Circuit.
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
Stereo
40
55
mA
Voltage gain
VG
Closed loop, VIN = –45 dB
Stereo
43
45
47
dB
Closed loop, VIN = –45 dB
Bridge
49
51
53
dB
Voltage gain difference
VG
Stereo
±1dB
Output power
PO
THD = 10%
Stereo
1.7
2.3
(1.3)
W
THD = 10%
Bridge
(4.7)
W
Total harmonic distortion
THD
PO = 250 mW
Stereo
0.3
1.5
%
PO = 250 mW
Bridge
0.5
%
Input resistance
ri
21
30
k
Output noise voltage
VNO
Rg = 0
Stereo
0.3
1.0
mV
Rg=10k
Stereo
0.5
2.0
mV
Ripple rejection ratio
Rr
Rg=0,VR = 150 mV
Stereo
40
46
dB
Channel separation
CHsep
Rg = 10 k
,VO = 0 dB
Stereo
40
55
dB
Pin Assignment and Equivalent Circuit
Allowable
power
dissipation,
Pd
max
–
W
Cu plate (fin 1)
Fe plate
(fin 1)
Fe Plate
(fin 2)
Recommended
printed circuit
board only
Cu-foiled area
reduced board
IC only
Ambient temperature, Ta – °C
Shock
noise
rejecter
Input
amp 1
Output
amp 1
Ripple filter
Input
amp 2
Output
amp 2
Unit (resistance:
)
LA4182
No.742-2/10
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