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參數(shù)資料
| 型號(hào)： | LA4278 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 音頻放大器 |
| 英文描述： | 10 W 2-Channel Power Amplifier |
| 中文描述： | 10瓦2聲道功放 |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大小： | 74K |
| 代理商： | LA4278 |
LA4278
No. 7096-2/6
Operating Characteristics
at Ta = 25
°
C, V
CC
= 28 V, R
L
= 8
, f = 1 kHz, Rg = 600
, with specified board, in
specified circuit
Parameter
Symbol
Conditions
Ratings
typ
min
max
Unit
Quiescent current
Voltage gain
Total harmonic distortion
Output noise voltage
Output power
Ripple rejection
Crosstalk
I
CCO
VG
THD
V
NO
P
O
SVRR
CT
Rg = 0
V
O
= 0 dBm
P
O
= 0.5 W
Rg = 10 k
, BPF = 20 Hz to 20 kHz
THD = 10 %
Rg = 0, f
r
= 100 Hz, Vr = 0.5 Vrms
Rg = 10 k
, V
O
= 0 dBm
55
40
0.1
0.25
10
55
55
80
42
0.8
1.0
mA
dB
%
mV
W
dB
dB
38
8.0
45
40
0
--20
Ambient temperature, Ta
—
C
Pd max – Ta
A
—
ILA00880
28
24
16
20
8
7
12
4
3.2
12.5
25
25
7.5
4.2
1.92
20
0
40
60
80
160
140
120
100
Infinite heat sink
100
×
100
×
1.5 mm
3
50
×
50
×
1.5 mm
3
No heat sink
AI heat sink
Mounting
torque 39N
￥
cm
Flat washer
Silicone grease
applied
Pin Assignment and Equivalent Circuit Diagram
* For Muting, add a resistor between pin 3 and GND. 750
for the LA4266/67/68, 200
for the LA4276/77.
+
+
+
+
30 k
3
NF1
IN1
Filter
PRE GND
IN2
NF2
OUT2 Power GND
VCC
OUT1
C
1
μ
F
C
4
μ
F
C
1
μ
F
C
RL
1
μ
F
C
0
μ
F
R
1
C
1
μ
F
1
2
3
4
5
6
7
8
9
10
+
+
30 k
300
+
C
4
μ
F
C
1
μ
F
R
7
C
1
μ
F
C
0
μ
F
RL
R
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4278-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
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| LA4280-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
| LA4280-TV | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4282 | 制造商:Panasonic Industrial Company 功能描述:IC |
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