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参数资料
| 型号： | LA4901 |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, DIP28 |
| 封装： | 0.500 INCH, DIP-28 |
| 文件页数： | 10/11页 |
| 文件大小： | 131K |
| 代理商： | LA4901 |
LA4901
No.7058-8/11
0.001
2
3
5
7
0.01
2
3
5
7
0.1
2
3
5
7
1.0
2
3
5
7
10
2
3
5
7
100
0.001
23
5
7
0.01
23
5
7
0.1
VCC=14V
HP STB=5V
RL=32Ω
f=10kHz
f=1kHz
f=100kHz
Total
harmonic
distortion,
THD
–
%
THD -- PO
Output power, PO –mW
0
0.5
1.0
1.5
2.0
2.5
Ripple
rejection
ratio,
SVRR
–
d
B
SVRR -- VR
Supply ripple voltage, VR – Vrms
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
10
23
5 7
100
23
5 7
1k
23
5 7
10k
23
5 7
100k
0.1
1.0
10
23
5
7
23
5
7
2
Ripple
rejection
ratio,
SVRR
–
d
B
SVRR -- fr
Ripple frequency, fr – Hz
VCC=14V
BTL STB=5V
RL=8Ω
Rg=0
fr=100Hz
DIN Audio
Power supply capacitor 1
μF
SVRR=20
×log(VO / Vr)
VCC=14V
BTL STB=5V
RL=8Ω
Rg=0
Vr=0dBm
DIN Audio
Power supply capacitor 1
μF
0123456
78
Output
pin
voltage,
V
N
–V
VN -- Vst
Standby pin voltage, Vst –V
0
1
2
3
4
5
6
7
BTL
VCC=14V
Rg=0
With Vst applied to the
standby pin (pin 25)
through a 10k
Ω resistor.
1.0
23
5
7
10
23
5
7
100
Output
noise
voltage,
V
NO
–m
V
VNO -- Rg
Source resistance, Rg – k
Ω
0
0.1
0.2
0.3
0.4
0.5
0.6
VCC=14V
BTL STB=5V
RL=8Ω
DIN Audio
0
1
2
3
4
5
Power
dissipation,
Pd
–
W
Pd -- PO
Output power, PO –W
1.0
23
5
7
10
23
5
7
100
AMP
ON
time
–
s
Amp ON time -- C22
C22 –
μF
0
0.2
0.4
0.6
0.8
1.0
1.2
VCC=14V
BTL STB=5V
RL=8Ω
f=kHz
Pd=VCC×ICC-PO
Pd
Pd-P
C
PC (Switching
transistor
collector
loss)
BTL
VCC=14V
Vst=5V
(Applied to pin 22 through a 10k
Ω resistor.)
The time until the amplifier turns on after
Vst is applied.
10
11
12
13
14
15
16
17
18
19
20
Output
power,
P
O
–W
PO -- VCC
Supply voltage, VCC –V
0
10
20
30
40
50
60
70
HP STB=5V
f=1kHz
RL=32Ω
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