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): 2/27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
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
0
–20
–40
–60
–80
–100
–120
–140
0
2 k
4 k
6 k
8 k
10 k
12 k
14 k
16 k
18 k
20 k
22 k
24 k
Gain
dBv
f Frequency – Hz
FFT AT 1.5-W OUTPUT POWER
vs
FREQUENCY
VDD = 5 V,
f = 1 kHz,
PO = 1.5 W,
RL = 4
Figure 13
Figure 14
–80
–75
–70
–65
–60
–55
–50
–45
–40
20
100
1 k
10 k 20 k
Supply
V
oltage
Rejection
Ratio
dB
f – Frequency – Hz
SUPPLY VOLTAGE REJECTION RATIO
vs
FREQUENCY
k
SVR
VDD = 5 V,
RL = 4
Figure 15
0.1
0.05
0.005
0.002
20
50
100 200
500 1 k
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
1
2
f – Frequency – Hz
HEADPHONE
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
10
2 k
5 k 10 k 20 k
0.01
0.02
0.2
0.5
25
VDD = 5 V,
RL = 32 ,
AV = 0 dB
PO = 25 mW
PO = 7.5 mW
PO = 50 mW
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