參數(shù)資料
型號: TPA3003D2PFBR
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): 36/36頁
文件大小: 755K
代理商: TPA3003D2PFBR
TPA3003D2
SLOS406A FEBRUARY 2003 REVISED MARCH 2003
9
www.ti.com
TYPICAL CHARACTERISTICS
Figure 1
0
10
20
30
40
50
60
70
80
0
0.5
1
1.5
2
2.5
3
PO Output Power W
EFFICIENCY
vs
OUTPUT POWER
Efficiency
%
VCC = 12 V, RL = 8
VCC = 8.5 V, RL = 8
LC Filter
Resistive Load
Figure 2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Thermally Limited
P O
Output
Power
W
OUTPUT POWER
vs
LOAD RESISTANCE
RL Load Resistance
VCC = 8.5 V,
THD = 1%
VCC = 8.5 V,
THD = 10%
VCC = 12 V,
THD = 1%
VCC = 12 V,
THD = 10%
Figure 3
OUTPUT POWER
vs
SUPPLY VOLTAGE
P
O
Output
Power
W
VDD Supply Voltage V
1
2
3
4
5
6
8.5
9
10
11
12
13
14
Thermally Limited
8
, THD = 10%
8
, THD = 1%
Figure 4
10
11
12
13
14
15
16
17
18
8.5
9
1011
1213
14
QUIESCENT SUPPLY CURRENT
vs
SUPPLY VOLTAGE
VCC Supply Voltage V
I
Quiescent
Supply
Current
mA
Q
TA = 25°C
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