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参数资料
| 型号： | NTE7145 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Intergrated Circuit 18W BTL x 2 Ch Audio Power Amplifier |
| 中文描述： | 集成电路18W桥接× 2通道音频功率放大器 |
| 文件页数： | 2/2页 |
| 文件大小： | 26K |
| 代理商： | NTE7145 |
Electrical Characteristics:
(T
A
= +25
°
C, V
CC
= 13.2V, R
L
= 4
, f = 1kHz, unless otherwise specified)
Parameter
Symbol
Quiescent Supply Current
I
CCQ
V
IN
= 0
Output Power
P
OUT
V
CC
= 14.4V, THD = 10%
THD = 10%
Total Harmonic Distortion
THD
P
OUT
= 1W
Voltage Gain
G
V
Output Noise Voltage
V
NO
R
g
= 0
, BW = 20Hz to 20kHz
Ripple Rejection Ratio
RR
f
ripple
= 100Hz, R
g
= 600
Input Resistance
R
IN
Output Offset Voltage
V
offset
V
IN
= 0
Current at Stand
–
By State
I
SB
Crosstalk
CT
R
g
= 600
, V
OUT
= 0.775V
rms
(0dBm)
Pin4 Control Voltage
V
(SB)
Stand
–
By
→
OFF (Power
→
ON)
Pin1 Control Voltage
V
(MUTE)
Mute
→
ON (Power
→
OFF)
Test Conditions
Min
–
–
11
–
48
–
40
–
–
0.3
–
–
2.5
–
Typ
120
18
15
0.04
50
0.3
54
30
0
1
60
–
1.0
Max
250
–
–
0.4
52
0.7
–
–
+0.3
10
–
V
CC
2.0
Unit
mA
W
W
%
dB
mV
rms
dB
k
V
μ
A
dB
V
V
.550
(14.0)
.394
(10.0)
.670
(17.0)
1.440 (36.6)
1.180 (30.0)
.197 (5.0)
.079 (2.0)
.079 (2.0)
.101 (2.56)
1
17
.154
(3.9)
.197
(5.0)
Pre
–
V
CC
Ripple
Power V
CC
1
Power V
CC
2
Output 2
Pre
–
GND
Stand
–
By Switch
NF 1
Input 1
GND 2
Output 4
Mute Switch
NF 2
Input 2
Output 3
GND 1
Output 1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
17
Pin Connection Diagram
(Front View)
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