參數(shù)資料
型號: TPA3002D2PHP
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
文件頁數(shù): 7/40頁
文件大?。?/td> 735K
代理商: TPA3002D2PHP
TPA3002D2
SLOS402C DECEMBER 2002 REVISED JANUARY 2004
www.ti.com
15
Figure 21
200
0
180
160
140
120
100
80
60
40
20
100
1 k
10 k
Noise
FFT
dBV
f Frequency Hz
NOISE
vs
FREQUENCY
VCC = 12 V,
Gain = +20 dB,
RL = 8
Inputs AC Coupled to GND,
VAROUT,
No Filter
Figure 22
175
150
125
100
75
50
25
0
25
50
75
100
125
150
22.5
9.3
19.0
15.4
11.9
8.4
4.8
1.3
2.2
5.8
10
100
1 k
10 k
12.9
Gain
Phase
Gain
dB
f Frequency Hz
CLOSED LOOP RESPONSE
Phase
Deg
VCC = 12 V,
Gain = +7.9
dB,
RL = 8
VAROUT
Figure 23
60
40
58
56
54
52
50
48
46
44
42
20
100
1 k
10 k
CMRR
Common-Mode
Rejection
Ratio
dBv
f Frequency Hz
COMMON-MODE REJECTION RATIO
vs
FREQUENCY
VCC = 12 V,
RL = 8 ,
C2P5 = 1
F,
VAROUT
Figure 24
100
0
90
80
70
60
50
40
30
20
10
20
100
1 k
10 k
G = 20 dB
G = 10 dB
G = 0 dB
G = 10 dB
VO = 1 Vrms,
RL = 10 k,
VAROUT
Crosstalk
dB
f Frequency Hz
CROSSTALK (VAROUTL-TO-VAROUTR)
vs
FREQUENCY
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