參數(shù)資料
型號(hào): TPA3002D2PHPR
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, HTQFP-48
文件頁(yè)數(shù): 3/40頁(yè)
文件大小: 735K
代理商: TPA3002D2PHPR
TPA3002D2
SLOS402C DECEMBER 2002 REVISED JANUARY 2004
www.ti.com
11
Figure 5
1.5
1.0
0.5
0
5
10
15
2.0
SUPPLY CURRENT
vs
OUTPUT POWER
2.5
20
PO Output Power W
Supply
Current
A
I CC
VCC = 12 V,
MODE = 2 V,
Class-D,
Stereo,
TA = 25°C
8
16
Figure 6
1.4
1
0.6
0.4
8.5
9
10
11
Shutdown
Supply
Current
1.6
1.8
SHUTDOWN SUPPLY CURRENT
vs
SUPPLY VOLTAGE
2.2
12
13
14
I CC(sd)
0.8
1.2
2
A
VCC Supply Voltage V
SD = 0 V
No Load
Figure 7
60
40
20
0
50
30
10
80
100
120
30
50
Input
Resistance
k
Gain dB
INPUT RESISTANCE
vs
GAIN
R
L
Class-D
Figure 8
f Frequency Hz
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
20
100
1k
10k
0.01
0.1
1
VCC = 8 V
RL = 8
Gain = +36 dB
Class-D
PO = 0.25 W
PO = 1.5 W
PO = 3 W
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
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