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參數(shù)資料
| 型號(hào)： | NCP9004 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 2.65 W Filterless Class−D Audio Power Amplifier |
| 文件頁數(shù)： | 4/17頁 |
| 文件大小： | 323K |
| 代理商： | NCP9004 |
NCP9004
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
(Limits apply for T
A
= +25
°
C unless otherwise noted)
Symbol
Characteristic
Conditions
Min
Typ
Max
Unit
V
p
I
dd
Operating Supply Voltage
T
A
=
40
°
C to +85
°
C
V
p
= 3.6 V, R
L
= 8.0
V
p
= 5.5 V, No Load
V
p
from 2.5 V to 5.5 V, No Load
T
A
=
40
°
C to +85
°
C
2.5
5.5
V
Supply Quiescent Current
2.15
2.61
4.6
mA
I
sd
Shutdown Current
V
p
= 4.2 V
T
A
= +25
°
C
T
A
= +85
°
C
V
p
= 5.5 V
T
A
= +25
°
C
T
A
= +85
°
C
0.42
0.45
0.8
A
0.8
0.9
1.5
A
V
sdih
V
sdil
F
sw
Shutdown Voltage High
1.2
V
Shutdown Voltage Low
0.4
V
Switching Frequency
V
p
from 2.5 V to 5.5 V
T
A
=
40
°
C to +85
°
C
190
250
310
kHz
G
Gain
R
L
= 8.0
285 k
R
i
300 k
R
i
315 k
R
i
V
V
Rs
Resistance from SD to GND
300
k
Vos
Output Offset Voltage
V
p
= 5.5 V
6.0
mV
Ton
Turn On Time
V
p
from 2.5 V to 5.5 V
V
p
from 2.5 V to 5.5 V
9.0
ms
Toff
Turn Off Time
5.0
ms
Tsd
Thermal Shutdown Temperature
160
°
C
Vn
Ouput Noise Voltage
V
p
= 3.6 V, f = 20 Hz to 20 kHz
no weighting filter
with A weighting filter
65
42
Vrms
no weighting filter
with A weighting filter
70
48
Vrms
Po
RMS Output Power
R
L
= 8.0 , f = 1.0 kHz, THD+N < 1%
V
p
= 2.5 V
V
p
= 3.0 V
V
p
= 3.6 V
V
p
= 4.2 V
V
p
= 5.0 V
R
L
= 8.0 , f = 1.0 kHz, THD+N < 10%
V
p
= 2.5 V
V
p
= 3.0 V
V
p
= 3.6 V
V
p
= 4.2 V
V
p
= 5.0 V
R
L
= 4.0 , f = 1.0 kHz, THD+N < 1%
V
p
= 2.5 V
V
p
= 3.0 V
V
p
= 3.6 V
V
p
= 4.2 V
V
p
= 5.0 V
R
L
= 4.0 , f = 1.0 kHz, THD+N < 10%
V
p
= 2.5 V
V
p
= 3.0 V
V
p
= 3.6 V
V
p
= 4.2 V
V
p
= 5.0 V
0.32
0.48
0.7
0.97
1.38
W
0.4
0.59
0.87
1.19
1.7
W
0.49
0.72
1.06
1.62
2.12
W
0.6
0.9
1.33
2.0
2.63
W
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