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参数资料
型号： LM4701MWC
厂商： NATIONAL SEMICONDUCTOR CORP
元件分类： 音频／视频放大
英文描述： 30 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC
封装： WAFER
文件页数： 10/17页
文件大小： 579K
代理商： LM4701MWC
Absolute Maximum Ratings (Notes 5, 4)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage |V
CC|+|VEE|
(No Signal)
66V
Supply Voltage |V
CC|+|VEE|
(with Input and Load)
64V
Common Mode Input Voltage
(V
CC or VEE) and
|V
CC|+|VEE| ≤ 60V
Differential Input Voltage
60V
Output Current
Internally Limited
Power Dissipation (Note 6)
62.5W
ESD Susceptibility (Note 7)
2000V
Junction Temperature (Note 8)
150C
Thermal Resistance
θ
JC
1.8C/W
θ
JA
43C/W
Soldering Information
TF Package (10 sec.)
260C
Storage Temperature
40C
≤ T
A ≤
+150C
Operating Ratings (Notes 4, 5)
Temperature Range
T
MIN ≤ TA ≤ TMAX
20C
≤ T
A ≤ +85C
Supply Voltage |V
CC|+|VEE| (Note 1)
20V to 64V
Electrical Characteristics
(Notes 4, 5) The following specifications are for V
CC = +28V, VEE = 28V with RL =8, unless otherwise specified. Limits ap-
ply for T
A = 25C.
Symbol
Parameter
Conditions
LM4701
Units
(Limits)
Typical
Limit
(Note 9)
(Note 10)
|V
CC|+|VEE|
Power Supply Voltage
GND V
EE ≥ 9V
18
20
V (min)
(Note 11)
64
V (max)
P
O
Output Power
THD + N = 0.1% (max), f = 1 kHz
(Note 3)
(Continuous Average)
R
L =8,|VCC|=|VEE| = 28V
30
25
W/ch
(min)
R
L =4,|VCC|=|VEE| = 20V (Note 13)
22
15
W/ch
(min)
THD + N
Total Harmonic Distortion
30W/ch, R
L =8,
0.08
%
Plus Noise
20 Hz
≤ f ≤ 20 kHz, A
V =26 dB
SR (Note 3)
Slew Rate
V
IN = 1.414 Vrms, trise = 2 ns
18
12
V/s (min)
I
TOTAL
Total Quiescent Power
V
CM = 0V, VO = 0V, IO =0 mA
(Note 2)
Supply Current
Standby: Off
25
40
mA (max)
Standby: On
2.1
mA
Standby Pin
V
IL
Standby Low Input Voltage
Not in Standby Mode
0.8
V (max)
V
IH
Standby High Input Voltage
In Standby Mode
2.0
2.5
V (min)
Mute Pin
V
IL
Mute Low Input Voltage
Output Not Muted
0.8
V (max)
V
IH
Mute High Input Voltage
Output Muted
2.0
2.5
V (min)
A
M
Mute Attenuation
V
PIN8 = 2.5V
115
80
dB (min)
V
OS (Note 2)
Input Offset Voltage
V
CM = 0V, IO = 0 mA
2.0
15
mV (max)
I
B
Input Bias Current
V
CM = 0V, IO = 0 mA
0.2
0.5
A (max)
I
OS
Input Offset Current
V
CM = 0V, IO = 0 mA
0.002
0.2
A (max)
I
O
Output Current Limit
|V
CC|=|VEE| = 10V, tON = 10 ms,
3.5
2.9
A
PK (min)
V
O =0V
V
OD
Output Dropout Voltage
|V
CC VO|, VCC = 20V, IO = +100 mA
1.8
2.3
V (max)
(Note 2)
(Note 12)
|V
O VEE|, VEE = 20V, IO = 100 mA
2.5
3.2
V (max)
PSRR
Power Supply Rejection Ratio
V
CC = 30V to 10V, VEE = 30V,
115
85
dB (min)
(Note 2)
V
CM = 0V, IO =0 mA
V
CC = 30V, VEE = 30V to 10V
110
85
dB (min)
V
CM = 0V, IO =0 mA
LM4701
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