參數(shù)資料
型號: TPA2000D4GQC
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA32
封裝: PLASTIC, BGA-32
文件頁數(shù): 27/27頁
文件大?。?/td> 456K
代理商: TPA2000D4GQC
TPA2000D4
STEREO 2-W CLASS-D AUDIO POWER AMPLIFIER
WITH STEREO HP AMPLIFIER
SLOS337 – DECEMBER 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 9
0.5
0.1
0.5
0.01
10 m 20 m
50 m 100 m 200 m
1
5
10
500 m
1
2
3
0.2
2
0.2
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
PO – Output Power – W
VDD = 5 V,
RL = 4 ,
All Gains
f = 20 kHz
f = 1 kHz
f = 20 Hz
Figure 10
Phase
Gain
20
18
16
15
20
50 100 200
500 1 k 2 k
Class–D
Gain
dBV
21
23
f – Frequency – Hz
CLASS-D GAIN AND PHASE
vs
FREQUENCY
25
5 k 10 k 20 k 40 k
100
80
60
40
20
0
–20
–40
–60
–80
–100
17
19
22
24
Phase
De
g
erees
VDD = 5 V,
PO = 1 W,
RL = 4 ,
All Gains
Figure 11
–50
–80
–90
–100
20
50
100 200
500 1 k
Class–D
Crosstalk
dB
–40
–30
f – Frequency – Hz
CLASS-D CROSSTALK
vs
FREQUENCY
–10
2 k
5 k 10 k 20 k
–70
–60
–20
VDD = 5 V,
PO = 1 W
RL = 4 ,
All Gains
L to R
R to L
Figure 12
0
0.1
0.2
0.3
0.4
0.5
0.6
0
0.2
0.4
0.6
0.8
1
1.2
Power
Dissipation
W
POWER DISSIPATION
vs
OUTPUT POWER
PO – Output Power – W
VDD = 5 V,
RL = 8 Speaker
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