Datasheet

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TYPICAL CHARACTERISTICS
−50
−60
−80
−100
20 100 1k
−30
−20
f − Frequency − Hz
0
10k 20k
−10
−40
−70
−90
V
DD
= 5 V
V
DD
= 3.3 V
R
L
= 8 Ω
C
B
= 1 µF
BTL
k
SVR
−Supply Ripple Rejection Ratio − dB
V
DD
− Supply Voltage − V
1.8
0.8
0.6
1
3 4
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 kΩ
TPA721
SLOS231E – NOVEMBER 1998 – REVISED JUNE 2004
Table of Graphs
FIGURE
k
SVR
Supply ripple rejection ratio vs Frequency 2
I
DD
Supply current vs Supply voltage 3, 4
vs Supply voltage 5
P
O
Output power
vs Load resistance 6
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
V
n
Output noise voltage vs Frequency 19, 20
P
D
Power dissipation vs Output power 21, 22
SUPPLY RIPPLE REJECTION RATIO SUPPLY CURRENT
vs vs
FREQUENCY SUPPLY VOLTAGE
Figure 2. Figure 3.
5