參數(shù)資料
型號: LA4743B
元件分類: 音頻/視頻放大
英文描述: 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝: HZIP-25
文件頁數(shù): 7/9頁
文件大小: 216K
代理商: LA4743B
No. 6630-7/9
LA4743B
50
0
100
150
200
250
300
05
10
15
20
25
2
3
5
7
0.1
2
3
5
7
1.0
2
3
5
7
10
2
3
5
7
100
0.01
1
0
2
3
4
5
10
23
5
7 100
23
5
7 1k
23
5
7 10k
8
12
16
4
20
24
28
32
36
40
44
48
810
12
1416
18
20
2
3
5
7
0.1
2
3
5
7
1
2
3
5
7
10
2
3
5
7
100
0.01
0.1
23
5 7
1
23
5 7 10
23
5 7 100
2
3
5
7
0.1
2
3
5
7
1
2
3
5
7
10
2
3
5
7
100
0.01
0.1
35
7
1
23
5
7 10
23
5
7 100
2
3
5
7
0.1
2
3
5
7
1
2
3
5
7
10
2
3
5
7
100
0.01
0.1
23
57
1
23
57 10
23
57 100
–10
–8
–6
–4
–2
0
2
4
10
ICCO, VN — VCC
I CCO
VN
0.22
F
2.2 F
OUT1, 3
OUT2, 4
OUT1, 3
OUT2,
4
PO —VIN
PO —VCC
RL = Open
Rg = 0
Vst = 5 V
THD — PO
f — Response
THD — f
VCC = 14.4 V
RL = 4
f = 1 kHz
Rg = 600
VG = 26 dB
All channels
driven
VCC = 14.4 V
RL = 4
f = 100 Hz
Rg = 600
All channels driven
VCC = 14.4 V
RL = 4
f = 1 kHz
Rg = 600
All channels driven
VCC = 14.4 V
RL = 4
Rg = 600
PO = 2 W
All channels driven
VCC = 14.4 V
RL = 4
Rg = 600
VO = 0 dBm at f = 1 kHz
All channels driven
VCC = 14.4 V
RL = 4
f = 10 kHz
Rg = 600
All channels driven
RL = 4
f = 1 kHz
Rg = 600
THD = 10 %
All channels driven
2
3
5
7
0.1
2
3
5
7
1
2
3
5
7
10
0.01
10
23
5 7 100
23
5 7 100 23 5 7 1k
23
5 7 10k
23
5 7100k
23
5 7 1k
23
5 7 10k
23
5 7100k
THD — PO
ICCO
VN
Supply voltage, VCC
V
Quiescent
current,
I
CCO
V
Output
pin
voltage,
V
N
V
Output
power,
P
O
W
Input level, VIN
mVrms
Output
power,
P
O
W
Supply voltage, VCC
V
Output power, PO
W
Total
harmonic
distortion,
THD
%
Output power, PO
W
Output power, PO
W
Total
harmonic
distortion,
THD
%
Total
harmonic
distortion,
THD
%
Total
harmonic
distortion,
THD
%
Input frequency, f
Hz
Input frequency, f
Hz
Response
dB
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