參數(shù)資料
型號(hào): TPA2012D2RTJT
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 音頻/視頻放大
英文描述: 2.1 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20
封裝: 4 X 4 MM, GREEN, PLASTIC, QFN-20
文件頁(yè)數(shù): 2/22頁(yè)
文件大小: 785K
代理商: TPA2012D2RTJT
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
0.2
0.4
0.6
0.8
1
1.2
1.4
Class-AB, VDD = 3.6 V
RL = 4
RL = 8
RL = 4
RL = 8
Powers are per Channel
WCSP
Power
Dissipation
W
P
D
PO Output Power W
Class-AB,
VDD = 3.6 V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
0
0.5
1
1.5
2
2.5
Class-AB, VDD = 5 V
RL = 4
RL = 8
Powers are per Channel
WCSP
Power
Dissipation
W
P
D
PO Output Power W
RL = 8
Class-AB, VDD = 5 V
0
10
20
30
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
VDD = 5 V
RL = 4
VDD = 3.6 V
Class-AB, VDD = 5 V
WCSP
Efficiency
%
PO Output Power W
0
10
20
30
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1
1.2
1.4
VDD = 5 V
RL = 8
VDD = 3.6 V
Class-AB, VDD = 5 V
WCSP
Efficiency
%
PO Output Power W
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.5
3
3.5
4
4.5
5
P
O
Output
Power
W
VDD Supply Voltage V
RL = 4 W,
THD+N = 10%
RL = 4 W,
THD+N = 1%
RL = 8 W,
THD+N = 10%
RL = 8 W,
THD+N = 1%
SLOS438D – DECEMBER 2004 – REVISED JUNE 2008 .................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS (continued)
POWER DISSIPATION
EFFICIENCY
vs
OUTPUT POWER
Figure 28.
Figure 29.
Figure 30.
EFFICIENCY
OUTPUT POWER
vs
OUTPUT POWER
SUPPLY VOLTAGE
Figure 31.
Figure 32.
10
Copyright 2004–2008, Texas Instruments Incorporated
Product Folder Link(s): TPA2012D2
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