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参数资料
| 型号： | TDA7492P13TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封装： | ROHS COMPLIANT, SSOP-36 |
| 文件页数： | 2/26页 |
| 文件大小： | 508K |
| 代理商： | TDA7492P13TR |
Characterization curves
TDA7492P
Doc ID 15068 Rev 3
4
Characterization curves
The following characterizations were made using the SZ-LAB-TDA7492P demo board. The
LC filter for the 6
load used 22 H and 220 nF components, whilst that for the 8 load
used 33 H and 220 nF.
4.1
Characterizations for 6
loads with 18 V
Figure 3.
Output power vs supply voltage
Figure 4.
THD at 1 kHz vs output power
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
89
10
11
12
13
14
15
16
17
18
Test conditions:
Vcc = 8 to 18 V,
RL = 6
,
Rosc= 39 k
,Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Tamb = 25
r C
Specification limit:
Typical:
Vcc =18 V, RL = 6
Po = 25 W @THD = 10%
Po = 20 W @THD = 1%
THD = 1%
THD = 10%
O
u
tp
u
tp
o
w
e
r(W)
Supply voltage (V)
THD (%)
0.005
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
200m
30
500m
1
2
5
10
20
Test conditions:
Vcc = 18 V,
RL = 6
,
Rosc= 39 k
,Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Tamb = 25
r C
Specification limit:
Typical:
Po = 25 W @THD = 10%
Output power (W)
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