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參數(shù)資料
| 型號： | NTE7000 |
| 廠商： | NTE Electronics, Inc. |
| 元件分類： | 音頻放大器 |
| 英文描述： | Integrated Circuit 5W Audio Amplifier with Muting |
| 中文描述： | 集成電路5W音頻放大器具有屏蔽 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 32K |
| 代理商： | NTE7000 |
Electrical Characteristics (Cont
’
d):
(T
A
= +25
°
C, R
th
(heatsink) = 20
°
C/W, unless otherwise
specified)
Parameter
Symbol
Test Conditions
V
S
=9V, R
L
=4
,
P
O
=2.5W
V
S
=14V, R
L
=4
,
P
O
=5.6W
V
S
=18V, R
L
=8
,
P
O
=5.5W
V
S
=24V, R
L
=16
,
P
O
=5.3W
f = 1kHz
V
S
=9V, R
L
=4
,
P
O
=2.5W
V
S
=14V, R
L
=4
,
P
O
=5.5W
V
S
=18V, R
L
=8
,
P
O
=5.6W
V
S
=24V, R
L
=16
,
P
O
=5.3W
V
S
= 14V, R
L
= 4
, P
O
= 1W
Min
Typ
Max
Unit
Drain Current
I
d
f = 1kHz
–
380
–
mA
–
550
–
mA
–
410
–
mA
–
295
–
mA
Efficiency
η
–
73
–
%
–
71
–
%
–
74
–
%
–
75
–
%
Small Signal Bandwidth
(
–
3dB)
BW
40 to 40,000
Hz
Voltage Gain (Open Loop)
G
V
G
V
V
S
= 14V, f = 1kHz
V
S
= 14V, R
L
= 4
, f = 1kHz,
P
O
= 1W
R
g
= 50
R
g
= 1k
R
g
= 10k
Note 2
R
g
= 50
R
g
= 1k
R
g
= 10k
V
S
= 14V,
R
g
= 10k
P
O
=
5.5W,
R
L
= 4
R
g
= 10k
,
Note 2
R
g
= 0, Note 2
V
S
= 18V, R
L
= 8
, R
G
= 10k
,
f
ripple
= 100Hz, V
ripple
= 0.5V
rms
P
tot
= 2.5W
–
75
–
dB
Voltage Gain
(Closed Loop)
39.5
40.0
40.5
dB
Total Noise Input
e
N
–
1.2
–
μ
V
–
1.3
–
–
1.5
4.0
–
2.0
–
–
2.0
–
–
2.2
5.0
Signal to Noise Ratio
S/N
–
90
–
dB
R
g
= 0
–
92
–
–
87
–
–
87
–
Supply Voltage Rejection
SVR
40
50
–
dB
Thermal Shut
–
Down
Case Temperature
T
sd
–
115
–
°
C
Note 2. Filter with noise bandwidth: 22Hz to 22kHz.
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