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参数资料
| 型号： | LM386-4MWA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | WAFER |
| 文件页数： | 5/12页 |
| 文件大小： | 326K |
| 代理商： | LM386-4MWA |
Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
(LM386N-1, -3, LM386M-1)
15V
Supply Voltage (LM386N-4)
22V
Package Dissipation (Note 3)
(LM386N)
1.25W
(LM386M)
0.73W
(LM386MM-1)
0.595W
Input Voltage
±0.4V
Storage Temperature
65C to +150C
Operating Temperature
0C to +70C
Junction Temperature
+150C
Soldering Information
Dual-In-Line Package
Soldering (10 sec)
+260C
Small Outline Package
(SOIC and MSOP)
Vapor Phase (60 sec)
+215C
Infrared (15 sec)
+220C
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for other methods of soldering
surface mount devices.
Thermal Resistance
θ
JC (DIP)
37C/W
θ
JA (DIP)
107C/W
θ
JC (SO Package)
35C/W
θ
JA (SO Package)
172C/W
θ
JA (MSOP)
210C/W
θ
JC (MSOP)
56C/W
Electrical Characteristics (Notes 1, 2)
T
A = 25C
Parameter
Conditions
Min
Typ
Max
Units
Operating Supply Voltage (V
S)
LM386N-1, -3, LM386M-1, LM386MM-1
4
12
V
LM386N-4
518
V
Quiescent Current (I
Q)VS = 6V, VIN =0
4
8
mA
Output Power (P
OUT)
LM386N-1, LM386M-1, LM386MM-1
V
S = 6V, RL =8, THD = 10%
250
325
mW
LM386N-3
V
S = 9V, RL =8, THD = 10%
500
700
mW
LM386N-4
V
S = 16V, RL =32, THD = 10%
700
1000
mW
Voltage Gain (A
V)VS = 6V, f = 1 kHz
26
dB
10 F from Pin 1 to 8
46
dB
Bandwidth (BW)
V
S = 6V, Pins 1 and 8 Open
300
kHz
Total Harmonic Distortion (THD)
V
S = 6V, RL =8,POUT = 125 mW
0.2
%
f = 1 kHz, Pins 1 and 8 Open
Power Supply Rejection Ratio (PSRR)
V
S = 6V, f = 1 kHz, CBYPASS =10 F
50
dB
Pins 1 and 8 Open, Referred to Output
Input Resistance (R
IN)
50
k
Input Bias Current (I
BIAS)VS = 6V, Pins 2 and 3 Open
250
nA
Note 1: All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guar-
antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is
given, however, the typical value is a good indication of device performance.
Note 3: For operation in ambient temperatures above 25C, the device must be derated based on a 150C maximum junction temperature and 1) a thermal resis-
tance of 107C/W junction to ambient for the dual-in-line package and 2) a thermal resistance of 170C/W for the small outline package.
LM386
www.national.com
2
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