參數(shù)資料
型號: TPA3120D2_07
廠商: Texas Instruments, Inc.
英文描述: 25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
中文描述: 25 W立體聲D類音頻功率放大器
文件頁數(shù): 9/27頁
文件大小: 631K
代理商: TPA3120D2_07
www.ti.com
P
Output Power W
O
E
%
-
80
10
100
30
0
40
60
20
50
70
90
12
0
1
2
3
4
5
6
7
8
9
10
11
R = 8
(SE)
Gain = 20 dB
W
12 V
18 V
24 V
P
Output Power W
O
I
C
12
32
1.6
40
0.2
2
0.6
18 V
0
0.8
1.2
0.4
1
1.4
1.8
4
0
8
16
20
24
28
36
R = 4
(SE)
Gain = 20 dB
W
24 V
12 V
-120
20
100
1 k
20k
f Frequency Hz
P
d
-
10k
-110
-100
-90
-80
-70
-50
0
V
= 24 V
V
= 0.2 V
R = 4
(SE)
Gain = 20 dB
CC
O(ripple)
PP
W
-40
-30
-20
-10
-60
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2.5
5
7.5
10 12.5
15 17.5
20 22.5
25
P
- Output Power - W
O
I
-
C
12 V
18 V
24 V
R = 8
,
Gain = 20 dB
W
TPA3120D2
SLOS507C–MARCH 2007–REVISED MAY 2007
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
EFFICIENCY
vs
OUTPUT POWER
SUPPLY CURRENT
vs
OUTPUT POWER
Figure 13.
Figure 14.
SUPPLY CURRENT
vs
OUTPUT POWER
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
Figure 15.
Figure 16.
9
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