參數(shù)資料
型號: TPA3003D2PFB
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP48
封裝: GREEN, PLASTIC, TQFP-48
文件頁數(shù): 2/36頁
文件大?。?/td> 755K
代理商: TPA3003D2PFB
TPA3003D2
SLOS406A FEBRUARY 2003 REVISED MARCH 2003
10
www.ti.com
TYPICAL CHARACTERISTICS
Figure 5
SUPPLY CURRENT
vs
OUTPUT POWER (TOTAL)
PO Output Power (Total) W
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
01
2
3
45
6
VCC = 12 V,
RL = 8
Supply
Current
A
CC
I
Figure 6
0
0.2
0.4
0.6
0.8
1
8.5
9
10
11
12
13
14
VSD = 0 V
VSD = 0.8 V
QUIESCENT SHUTDOWN SUPPLY CURRENT
vs
SUPPLY VOLTAGE
VCC Supply Voltage V
Quiescent
Shutdown
Supply
Current
A
CC
I
Figure 7
60
40
20
0
50
30
10
80
100
120
30
50
Input
Impedance
k
Gain dB
INPUT IMPEDANCE
vs
GAIN
Z
i
Figure 8
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
20
20 k
50
100 200
500
1 k 2 k
5 k 10 k
PO = 0.5 W
VCC = 12 V,
RL = 8 ,
TA = 25°C
f Frequency Hz
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
PO = 1 W
PO = 3 W
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