参数资料
型号: TPA701DGNG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封装: GREEN, PLASTIC, MSOP-8
文件页数: 24/28页
文件大小: 790K
代理商: TPA701DGNG4
TPA701
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
SLOS229D – NOVEMBER1998 – REVISED MAY 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
Supply ripple rejection ratio
vs Frequency
2
IDD
Supply current
vs Supply voltage
3, 4
P
Output power
vs Supply voltage
5
PO
Output power
vs Load resistance
6
THD N
Total harmonic distortion plus noise
vs Frequency
7, 8, 11, 12
THD + N
Total harmonic distortion plus noise
vs Output power
9, 10, 13, 14
Open loop gain and phase
vs Frequency
15, 16
Closed loop gain and phase
vs Frequency
17, 18
Vn
Output noise voltage
vs Frequency
19, 20
PD
Power dissipation
vs Output power
21, 22
Figure 2
–50
–60
–80
–100
20
100
1k
–30
–20
f – Frequency – Hz
SUPPLY RIPPLE REJECTION RATIO
vs
FREQUENCY
0
10k
20k
–10
–40
–70
–90
VDD = 5 V
VDD = 3.3 V
RL = 8
CB = 1 F
BTL
Supply
Ripple
Rejection
Ratio
dB
Figure 3
VDD – Supply Voltage – V
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
1.8
0.8
0.6
1
34
5.5
5
I DD
Supply
Current
mA
2.5
3.5
4.5
1.6
1.2
1.4
SHUTDOWN = 0 V
RF = 10 k
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