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參數(shù)資料
| 型號： | LM384 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 5W Audio Power Amplifier |
| 中文描述： | 5W音頻功率放大器 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 152K |
| 代理商： | LM384 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Peak Current
Power Dissipation (See (Notes 4, 5))
Input Voltage
Storage Temperature
28V
1.3A
1.67W
±
0.5V
65C to +150C
Operating Temperature
Lead Temperature
(Soldering, 10 sec.)
Thermal Resistance
θ
JC
θ
JA
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to
the device may occur. Operating Ratings indicate conditions for which the de-
vice is functional, but do not guarantee specific performance limits.
0C to +70C
260C
30C/W
79C/W
Electrical Characteristics
(Note 2)
Symbol
Z
IN
I
BIAS
A
V
P
OUT
I
Q
V
OUT Q
BW
V
+
I
SC
PSRR
RTO
Parameter
Conditions
Min
Typ
150
100
50
5.5
8.5
11
450
Max
Units
k
nA
V/V
W
mA
V
kHz
V
A
dB
Input Resistance
Bias Current
Gain
Output Power
Quiescent Supply Current
Quiescent Output Voltage
Bandwidth
Supply Voltage
Short Circuit Current (Note 6)
Power Supply Rejection Ratio
(Note 3) )
Total Harmonic Distortion
Inputs Floating
40
5
60
THD = 10%, R
L
= 8
25
P
OUT
= 2W, R
L
= 8
12
26
1.3
31
THD
P
OUT
= 4W, R
L
= 8
0.25
1.0
%
Note 2:
V
+
= 22V and T
A
= 25C operating with a Staver V7 heat sink for 30 seconds.
Note 3:
Rejection ratio referred to the output with C
BYPASS
= 5 μF, freq = 120 Hz.
Note 4:
The maximum junction temperature of the LM384 is 150C.
Note 5:
The package is to be derated at 15C/W junction to heat sink pins.
Note 6:
Output is fully protected against a shorted speaker condition at all voltages up to 22V.
Heat Sink Dimensions
Staver “V7” Heat Sink
DS007843-4
Staver Company
41 Saxon Ave.
P.O. Drawer H
Bay Shore, N.Y.
Tel: (516) 666-8000
L
www.national.com
2
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