参数资料
型号: TPA731DR
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封装: GREEN, PLASTIC, MS-012AA, SOIC-8
文件页数: 3/28页
文件大小: 792K
代理商: TPA731DR
TPA731
700mW MONO LOW VOLTAGE AUDIO POWER AMPLIFIER
WITH DIFFERENTIAL INPUTS
SLOS315B JUNE 2000 REVISED OCTOBER 2002
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 19
Output
Noise
V
oltage
V
n
f Frequency Hz
OUTPUT NOISE VOLTAGE
vs
FREQUENCY
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+
Figure 20
Output
Noise
V
oltage
V
n
f Frequency Hz
OUTPUT NOISE VOLTAGE
vs
FREQUENCY
20
1k
10k
10
1
100
20k
100
VDD = 5 V
BW = 22 Hz to 22 kHz
RL = 8 or 32
AV = 1 V/V
VO BTL
VO+
Figure 21
PD Output Power mW
POWER DISSIPATION
vs
OUTPUT POWER
600
0
150
100
50
0
350
P
D
Power
Dissipation
mW
200
250
300
RL = 8
200
400
RL = 32
VDD = 3.3 V
Figure 22
PD Output Power mW
POWER DISSIPATION
vs
OUTPUT POWER
400
600
0
1000
400
300
100
0
800
P
D
Power
Dissipation
mW
500
700
600
200
RL = 32
200
800
VDD = 5 V
RL = 8
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