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參數資料
| 型號： | LA4743A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 45 W Four-Channel (Bridge Circuit) Power Amplifier |
| 中文描述： | 45瓦四通道（橋電路）功率放大器 |
| 文件頁數： | 2/9頁 |
| 文件大小： | 85K |
| 代理商： | LA4743A |
No. 6629-2/9
LA4743A
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Quiescent current
I
CCO
Ist
R
L
=
∞
, Rg = 0
Vst = 0 V
100
200
350
mA
Standby current
10
μA
Output offset voltage
V
N
offset
VG
VG
P
O
1
P
O
max1
P
O
max2
THD
Rg = 0
–100
+100
mV
Voltage gain
V
O
= 0 dBm
25
26
27
dB
Voltage gain difference
–1
+1
dB
THD = 10 %
23
28
W
Output power
V
CC
= 13.7 V, V
IN
= 5 Vrms
V
IN
= 5 Vrms
P
O
= 4 W
V
O
= 0 dBm, Rg = 10 k
f
r
= 100 Hz, V
R
= 0 dBm, Rg = 0
Rg = 0, B.P.F. = 20 Hz to 20 kHz
40
W
45
W
Total harmonic distortion
0.05
0.4
%
Channel separation
CHsep
55
65
dB
Ripple rejection ratio
SVRR
50
60
dB
Output noise voltage
V
NO
100
200
μVrms
Muting attenuation
Mute(att)
V
O
= 20 dBm
70
80
dB
Operating Characteristics
at Ta = 25°C, V
CC
= 14.4 V, f = 1 kHz, R
L
= 4
, Rg = 600
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V
CC
R
L
V
CC
op
14.4
V
V
Recommended load resistance
4
Operating supply voltage range
9 to 18
Operating Conditions
at Ta = 25°C
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LA4743B | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:45 W Four-Channel (Bridge Circuit) Power Amplifier |
| LA4743J | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4743K-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
| LA474M | 制造商:Cornell Dubilier Electronics 功能描述: 制造商:Mallory Sonalert Products Inc 功能描述: |
| LA47501 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:BTL4ch(50W】4) |
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