參數(shù)資料
型號: 7143
廠商: NTE Electronics, Inc.
英文描述: Integrated Circuit Audio Power Amplifier, 20W
中文描述: 集成電路音頻功率放大器,20瓦
文件頁數(shù): 2/2頁
文件大?。?/td> 29K
代理商: 7143
Electrical Characteristics:
V
CC
= +25V,
V
EE
=
25V, T
A
= +25
°
C, R
L
= 8
, A
V
= 20 (26dB),
f
o
= 1kHz unless otherwise specified)
Parameter
Test Conditions
Typ
Tested Limits
Unit
Supply Current
P
OUT
= 0W
THD = 1%, Note 3
70
100
mA
Output Power
25
W
Total Harmonic Distortion
P
OUT
= 20W, f
o
= 1kHz, Note 3
P
OUT
= 20W, f
o
= 20kHz, Note 3
P
OUT
= 20W, R
L
= 4
, f
o
= 1kHz, Note 3
P
OUT
= 20W, R
L
= 4
, f
o
= 20kHz, Note 3
0.015
%
0.05
0.4
%
0.022
%
0.07
±
1
±
0.2
0
0.6
±
15
±
2
±
0.5
%
Offset Voltage
mV
μ
A
μ
A
MHz
Input Bias Current
Input Offset Current
Gain
Bandwidth Product
f
o
= 20kHz
DC
5.5
Open Loop gain
90
dB
PSRR
V
CC
, 1kHz, 1V
rms
V
EE
, 1kHz, 1V
rms
20W, 8
, 70kHz BW
V
OUT
= V
SUPPLY
10V
R
S
= 600
, CCIR
95
52
dB
83
52
dB
V/
μ
s
A
μ
V
rms
Max. Slew rate
8
Current Limit
4
3
Equivalent Input Noise Voltage
3
Note 3. Assumes the use of a heat sink having a thermal resistance of 1
°
C/W and no insulator with
an ambient temperature of 25
°
C. Because the output limiting circuitry has a negative temper-
ature coefficient, the maximum output power delivered to a 4
load may be slightly reduced
when the tab temperature exceeds 55
°
C.
V
EE
Output
V
CC
(
) Input
(+) Input
.364
(9.25)
Max
.850
(21.6)
Max
.619
(15.72)
Max
1
2
3
4
5
.896
(22.76)
Max
.408 (10.37
Max
.182 (4.62) Max
.114 (2.9)
.135 (3.45)
.150 (3.81)
0.45 (1.37)
Max
.182
(4.62)
Pin Connection Diagram
(Front View)
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