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參數(shù)資料
| 型號： | LA4901 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, DIP28 |
| 封裝： | 0.500 INCH, DIP-28 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 131K |
| 代理商： | LA4901 |
LA4901
No.7058-2/11
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
14
V
Recommended load resistance
RL
8
Ω
Operating supply voltage range
VCC op
The range where the package Pd is not
exceeded
8 to 18
V
Electrical Characteristics at Ta = 25
°C
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
[Amplifier Block] VCC = 14V, RL = 8Ω, f = 1kHz, Rg = 600Ω, See the specified board and circuit.
Quiescent current
ICCO
Rg = 0
25
40
80
mA
Standby current
Ist
0
10
μA
Voltage gain
VG
VO = 0dBm
28
30
32
dB
Output power
PO
THD = 10%
8
10
W
Total harmonic distortion
THD
PO = 1W, LPF = 30kHz
0.1
0.4
%
Output noise voltage
VNO
Rg = 0, DIN AUDIO
0.1
0.3
mV
Ripple rejection
SVRR
Rg = 0, fR = 100Hz, VR = 0dBm, DIN AUDIO
60
70
dB
Input resistance
Ri
21
30
39
k
Ω
Output offset voltage
VN offset
Rg = 0
-200
+200
mV
Standby mode on voltage
VST
With the amplifier in, and the voltage applied
through a 10k
Ω resistor
3
VCC
V
[Headphone Block] VCC = 14V, RL = 32Ω, f = 1kHz, Rg = 600Ω, See the specified board and circuit.
Voltage gain
VG
VO = 0dBm
5
6
7
dB
Output power
PO
THD = 10%
50
60
mW
Total harmonic distortion
THD
VO = 0dBm, LPF = 30kHz
0.025
0.05
%
Ripple rejection
SVRR
Rg = 0, fR = 100Hz, VR = 0dBm, DIN AUDIO
75
85
dB
Output noise voltage
VNO
Rg = 0, DIN AUDIO
0.01
0.04
mV
Package Dimensions
unit : mm (typ)
3241A
SANYO : DIP28HC(500mil)
(1.81)
1.78
1.0
0.6
(R1.7)
11.2
(8.4)
(4.0)
3.6
26.75
(20.0)
12.7
0.4
1
28
14
15
Ambient temperature, Ta – C
Pd max -- Ta
Allowable
power
dissipation,
Pd
max
–
W
0
2
3
1
4
5
6
7
0
20
40
60
80
100
120
140
160
Mounted on the
specified circuit board
Independent IC
5.0W
2.1W
3.5W
2.5W
1.5W
With a infinity large heat sink,
θjc=3C/W
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