參數(shù)資料
型號(hào): TPA741DGNR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: GREEN, PLASTIC, MSOP-8
文件頁數(shù): 27/27頁
文件大小: 760K
代理商: TPA741DGNR
www.ti.com
0.5
1
1.5
2
f Frequency Hz
0.25
0.75
1.25
1.75
0
0.5
Closed-Loop
Gain
dB
0.25
0.75
130
°
120
°
140
°
Phase
150
°
160
°
VDD = 3.3 V
RL = 8
PO = 250 mW
1
170
°
180
°
Gain
Phase
101
102
103
104
105
106
10
0
20
30
1
20
30
f Frequency kHz
80
10
Gain
Phase
Open-Loop
Gain
dB
101
102
103
104
50
40
60
70
VDD = 5 V
RL = Open
180
°
180
°
60
°
60
°
Phase
140
°
100
°
20
°
20
°
100
°
140
°
0.5
1
1.5
2
f Frequency Hz
0.25
0.75
1.25
1.75
0
0.5
Closed-Loop
Gain
dB
0.25
0.75
130
°
120
°
140
°
Phase
150
°
160
°
VDD = 5 V
RL = 8
PO = 700 mW
1
170
°
180
°
Gain
Phase
101
102
103
104
105
106
Output
Noise
V
oltage
V
n
f Frequency Hz
20
1k
10k
10
1
100
20k
100
VO BTL
VDD = 3.3 V
BW = 22 Hz to 22 kHz
RL = 8 or 32
AV = 1 V/V
Vo+
TPA741
SLOS316C – JUNE 2000 – REVISED JUNE 2004
OPEN-LOOP GAIN AND PHASE
CLOSED-LOOP GAIN AND PHASE
vs
FREQUENCY
Figure 16.
Figure 17.
CLOSED-LOOP GAIN AND PHASE
OUTPUT NOISE VOLTAGE
vs
FREQUENCY
Figure 18.
Figure 19.
9
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