Datasheet

−75
−70
−65
−60
−55
−50
100 1 k 10 k
V
DD
= 2.5 V
V
DD
= 3.6 V
V
DD
= 5 V
CMRR − Common-Mode Rejection Ratio − dB
f − Frequency − Hz
V
IC
= 1 V
PP
,
R
L
= 8 W,
A
V
= 6 dB
20 k20
CMRR − Common-Mode Rejection Ratio − dB
−100
−80
−60
−40
−20
0
20
0 1 2 3 4 5
V
ICR
− Common-Mode Input Voltage Range − V
V
DD
= 5.5 V
V
DD
= 3.6 V
V
DD
= 2.5 V
t − Time − 2 ms/div
V
DD
200 mV/div
V
OUT
20 mV/div
C1 − High, 3.6 V
C1 − Amp, 512 mV
C1 − Duty, 12%
−160
−140
−120
−100
−80
−60
−40
−20
0
0 500 1000 1500 2000 2500
−160
−140
−120
−100
−80
−60
−40
−20
0
C
I
= 1 mF,
Inputs AC Grounded,
A
V
= 6 dB
V
DD
= 3.6 V
Input
Output
Supply Signal Ripple − V
Power-Supply Rejection Output − V
f − Frequency − Hz
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0 0.2 0.4 0.6 0.8 1 1.2 1.4
Class-AB,
V
DD
= 3.6 V
R
L
= 4 Ω
R
L
= 8 Ω
R
L
= 4 Ω
R
L
= 8 Ω
Powers are per Channel
QFN
− Power Dissipation − W
P
D
P
O
− Output Power − W
Class-AB,
V
DD
= 3.6 V
−90
−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
V
DD
= 2.7 V
V
DD
= 5 V
V
DD
= 3.6 V
R
L
= 8 W,
V
IN
= 200 mV
PP
f = 217 Hz
k
SVR
− Supply Voltage Rejection Ratio − dB
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1 1.5 2 2.5
Efficiency − %
P
O
− Output Power − W
R
L
= 4 Ω
V
DD
= 5 V
V
DD
= 3.6
V
V
DD
= 2.5 V
QFN
Class-AB
Powers are per Channel
0
10
20
30
40
50
60
70
80
90
100
0 0.2 0.4 0.6 0.8 1 1.2 1.4
V
DD
= 5 V
V
DD
= 3.6 V
V
DD
= 2.5 V
Class-AB
R
L
= 8 Ω
Powers are per Channel
QFN
Efficiency − %
P
O
− Output Power − W
0
0.2
0.4
0.6
0.8
1
1.2
1.4
0 0.5 1 1.5 2 2.5
Class-AB, V
DD
= 5 V
R
L
= 4 Ω
R
L
= 4 Ω
R
L
= 8 Ω
Powers are per Channel
QFN
− Power Dissipation − W
P
D
P
O
− Output Power − W
Class-AB, V
DD
= 5 V
R
L
= 8 Ω
TPA2012D2
www.ti.com .................................................................................................................................................. SLOS438D – DECEMBER 2004 – REVISED JUNE 2008
TYPICAL CHARACTERISTICS (continued)
COMMOM-MODE
REJECTION RATIO COMMON-MODE GSM POWER
vs REJECTION RATIO SUPPLY REJECTION
COMMON-MODE vs vs
INPUT VOLTAGE FREQUENCY TIME
Figure 19. Figure 20. Figure 21.
SUPLY VOLTAGE
POWER SUPPLY REJECTION REJECTION RATIO POWER DISSIPATION
vs vs vs
FREQUENCY DC COMMON-MODE VOLTAGE OUTPUT POWER
Figure 22. Figure 23. Figure 24.
POWER DISSIPATION EFFICIENCY EFFICIENCY
vs vs vs
OUTPUT POWER OUTPUT POWER OUTPUT POWER
Figure 25. Figure 26. Figure 27.
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