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−90
−80
−70
−60
−50
−40
−30
20 100 1 k 10 k
V
DD
= 2.5 V
V
DD
= 5 V
f − Frequency − Hz
Sopply Ripple Rejection Ratio − dB
Inputs floating
R
L
= 8 Ω
V
DD
= 3.6 V
20 k
−90
−80
−70
−60
−50
−40
−30
20 100 1 k 20 k
V
DD
= 2.5 V
V
DD
= 3.6 V
f − Frequency − Hz
Sopply Ripple Rejection Ratio − dB
Inputs ac-grounded
C
I
= 2 µF
R
L
= 4 Ω
Gain = 2 V/V
V
DD
= 5 V
10 k
−90
−80
−70
−60
−50
−40
−30
20 100 1 k 20 k
f − Frequency − Hz
Sopply Ripple Rejection Ratio − dB
V
DD
= 2. 5 V
V
DD
= 3.6 V
V
DD
= 5 V
Inputs ac-grounded
C
I
= 2 µF
R
L
= 8 Ω
Gain = 2 V/V
10 k
C1 − High
3.6 V
C1 − Amp
512 mV
C1 − Duty
12%
t − Time − 2 ms/div
V
DD
200 mV/div
V
OUT
20 mV/div
−150
−100
−50
0 400 800 1200 1600 2000
−150
−100
−50
0
0
f − Frequency − Hz
− Output Voltage − dBVV
O
− Supply Voltage − dBVV
DD
V
DD
Shown in Figure 22
C
I
= 2 µF,
Inputs ac-grounded
Gain = 2V/V
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 1 2 3 4 5
V
IC
− Common Mode Input Voltage − V
CMRR − Common Mode Rejection Ratio − dB
V
DD
= 5 V,
Gain = 2
V
DD
= 2.5 V
V
DD
= 3.6 V
−75
−70
−65
−60
−55
−50
20 100 1 k 20 k
V
DD
= 3.6 V
f − Frequency − Hz
CMRR − Common Mode Rejection Ratio − dB
V
IC
= 200 mV
PP
R
L
= 8 Ω
Gain = 2 V/V
10 k
−80
−70
−60
−50
−40
−30
−20
−10
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
DC Common Mode Voltage − V
Sopply Ripple Rejection Ratio − dB
V
DD
= 2. 5 V
V
DD
= 3.6 V
V
DD
= 5 V
TPA2010D1
SLOS417C – OCTOBER 2003 – REVISED SEPTEMBER 2007
SUPPLY RIPPLE REJECTION RATIO SUPPLY RIPPLE REJECTION RATIO SUPPLY RIPPLE REJECTION RATIO
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 19. Figure 20.
GSM POWER SUPPLY REJECTION GSM POWER SUPPLY REJECTION
vs vs
TIME FREQUENCY
Figure 22. Figure 23.
SUPPLY RIPPLE REJECTION RATIO COMMON-MODE REJECTION RATIO COMMON-MODE REJECTION RATIO
vs vs vs
DC COMMON MODE VOLTAGE FREQUENCY COMMON-MODE INPUT VOLTAGE
Figure 24. Figure 25. Figure 26.
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