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参数资料
| 型号： | TPA005D14DCA |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48 |
| 封装： | PLASTIC, HTSSOP-48 |
| 文件页数： | 4/30页 |
| 文件大小： | 492K |
| 代理商： | TPA005D14DCA |
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TPA005D14
2-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS240A – AUGUST 1999 – REVISED MARCH 2000
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 10
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
0.1
0.04
2
THD+N
–T
otal
Harmonic
Distortion
+
Noise
–
%
PO – Output Power – W
0.01
0.1
1
10
1
Class-D Amplifier
VDD = 5 V
RL = 4
f = 20 kHz
f = 1 kHz
f = 20 Hz
Figure 11
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
0.1
0.006
1
THD+N
–T
otal
Harmonic
Distortion
+
Noise
–
%
f – Frequency – Hz
20
100
1k
10k
20k
0.01
Headphone Amplifier
CI = 10 F
RL = 32
CO = 470 F
AV = 10
AV = 5
AV = 1
Figure 12
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
0.1
0.005
1
THD+N
–T
otal
Harmonic
Distortion
+
Noise
–
%
f – Frequency – Hz
20
100
1k
10k
20k
0.01
Headphone Amplifier
VO = 1 V
PO = 40 mW
AV = 1
CI = 10 F
RI = RF = 10 k
CO = 470 F
Figure 13
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
0.1
0.005
1
THD+N
–T
otal
Harmonic
Distortion
+
Noise
–
%
PO – Output Power – W
0.001
0.01
0.1
0.2
0.01
Headphone Amplifier
VDD = 5 V
AV = 1
CI = 10 F
RI = RF = 10 k
CO = 470 F
f = 20 kHz
f = 1 kHz
f = 20 Hz
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