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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： | 1/2页 |
| 文件大小： | 26K |
| 代理商： | NTE7145 |
NTE7145
Intergrated Circuit
18W BTL x 2 Ch Audio Power Amplifier
Description:
The NTE7145 is a stereo audio power IC in a 17–Lead Staggered SIP type package designed for car
audio use. This device has 2 built–in channels to reduce the characteristics difference between L and
R channels. In addition, the functions of stand–by, muting, and a variety of protections circuits are
involved.
Features:
High Power:
P
OUT
(1) = 18W (Typ)/Channel (V
CC
= 14.4V, f = 1kHz, THD = 10%, R
L
= 4
)
P
OUT
(2) = 15W (Typ)/Channel (V
CC
= 13.2V, f = 1kHz, THD = 10%, R
L
= 4
)
Low Distortion Ratio:
THD = 0.04% (Typ) (V
CC
= 13.2V, f = 1kHz, P
OUT
= 1W, R
L
= 4
, G
V
= 50dB)
Low Noise:
V
NO
= 0.30mV
rms
(Typ) (V
CC
= 13.2V, R
L
= 4
, G
V
= 50dB, R
g
= 0
, BW = 20Hz to 20kHz)
Built–In Stand–By Function (With Pin4 set at Low, Power is Turned OFF):
I
SB
= 1
μ
A (Typ)
Built–In Muting Function (With Pin1 set at Low, Power is Turned OFF):
V (Mute) = 1V (Typ)
Built–In Various Protection Circuits:
Thermal Shut Down
Overvoltage
OUT
→
V
CC
Short
OUT
→
GND Short
OUT–OUT Short
Operating Supply Voltage: V
CC
= 9V to 18V
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Peak Supply Voltage (0.2s), V
CC
surge
DC Supply Voltage, V
CC
DC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPerating Supply Voltage, V
CC
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Current (Peak), I
O(peak)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50V
25V
18V
9A
50W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–30
°
to +85
°
C
–55
°
to +150
°
C
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