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參數(shù)資料
| 型號： | TPA2011D1YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3.24 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| 封裝： | 1.21 X 1.16 MM, 0.40 MM PITCH, GREEN, PLASTIC, DSBGA-9 |
| 文件頁數(shù)： | 20/24頁 |
| 文件大小： | 670K |
| 代理商： | TPA2011D1YFFT |
Measurement
Output
+
-
C
I
TPA2011D1
IN+
IN-
30 kHz
LowPass
Filter
Load
Measurement
Input
+
-
OUT+
OUT-
VDD
GND
VDD
C
S1
C
S2
C
I
+
-
R
I
R
I
PO Output Power W
η
Efficiency
%
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
10
20
30
40
50
60
70
80
90
100
VDD = 2.5 V
VDD = 3.6 V
VDD = 5.0 V
RL = 8 + 33 H
Gain = 6 dB
PO Output Power W
η
Efficiency
%
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
0
10
20
30
40
50
60
70
80
90
100
VDD = 2.5 V
VDD = 3.6 V
VDD = 5.0 V
RL = 4 + 33 H
Gain = 6 dB
PO Output Power W
P
D
Power
Dissipation
W
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.0
0.1
0.2
0.3
0.4
RL = 8 + 33 H
RL = 4 + 33 H
VDD = 3.6 V
Gain = 6 dB
PO Output Power W
P
D
Power
Dissipation
W
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
RL = 8 + 33 H
RL = 4 + 33 H
VDD = 5.0 V
Gain = 6 dB
www.ti.com
SLOS626A – DECEMBER 2009 – REVISED MAY 2010
TEST SETUP FOR GRAPHS
1. Input resistor RI = 150kΩ gives a gain of 6 dB which is used for all the graphs
2. CI was shorted for any common-mode input voltage measurement. All other measurements were taken with CI = 0.1-mF
(unless otherwise noted).
3. CS1 = 0.1mF is placed very close to the device. The optional CS2 = 10mF is used for datasheet graphs.
4. The 30-kHz low-pass filter is required even if the analyzer has an internal low-pass filter. An RC low-pass filter (1k
Ω,
4700pF) is used on each output for the data sheet graphs.
TYPICAL CHARACTERISTICS
VDD = 3.6 V, CI = 0.1 mF, CS1 = 0.1 mF, CS2 = 10 mF, TA = 25°C, RL = 8 (unless otherwise noted)
EFFICIENCY vs
OUTPUT POWER
Figure 1.
Figure 2.
POWER DISSIPATION vs
OUTPUT POWER
Figure 3.
Figure 4.
Copyright 2009–2010, Texas Instruments Incorporated
5
Product Folder Link(s) :TPA2011D1
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