Datasheet
0.1
1
20 100 1 k 10 k 20 k
f − Frequency − Hz
V
DD
= 5 V,
R
L
= 8 W,
C
I
= 1 mF,
A
V
= 6 dB
0.01
380 mW
775 mW
1.16 W
THD+N − Total Harmonic Distortion + Noise − %
NoOutputFilter
0
1
2
3
4
5
6
0 1 2 3 4 5
V
DD
= 5 V
V
DD
= 3.6 V
V
DD
= 2.5 V
I
DD
− Supply Current − mA
V
SD
− Shutdown Voltage − V
0
200
400
600
800
1000
1200
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2
V
DD
= 2.5 V, R
L
= 4 W, 33 mH
I
DD
is for Both Channels
V
DD
= 5 V, R
L
= 4 W, 33 mH
V
DD
= 3.6 V, R
L
= 4 W, 33 mH
I
DD
− Supply Current − mA
P
O
− Output Power/Channel − W
I
DD
− Supply Current − mA
0
100
200
300
400
500
600
700
800
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
V
DD
= 2.5 V, R
L
= 8 W, 33 mH
V
DD
= 3.6 V, R
L
= 8 W, 33 mH
V
DD
= 5 V, R
L
= 8 W, 33 mH
I
DD
is for Both Channels
P
O
− Output Power/Channel − W
−140
−120
−100
−80
−60
−40
−20
0
100 1 k 10 k
f − Frequency − Hz
2.5 V R to L
5 V R to L
3.6 V R to L
5 V L to R
3.6 V L to R
Crosstalk − dB
R
I
= 8 W
20 k20
2.5 V L to R
−100
−90
−80
−70
−60
−50
−40
−30
100 1 k 10 k
Inputs AC, Grounded,
C
I
= 1 mF,
R
I
= 4 W,
A
V
= 6 dB
V
DD
= 2.7 V
V
DD
= 5 V
V
DD
= 3.6 V
PSRR − Power Supply Rejection Ratio − dB
f − Frequency − Hz
20 k20
−120
−100
−80
−60
−40
−20
0
100 1 k 10 k
f − Frequency − Hz
2.5 V R to L
2.5 V L to R
3.6 V L to R
3.6 V R to L
5 V R to L
5 V L to R
Crosstalk − dB
20 k20
R
I
= 4 W
−100
−90
−80
−70
−60
−50
−40
−30
100 1 k 10 k
Inputs AC Grounded,
C
I
= 1 mF,
R
I
= 8 W,
A
V
= 6 dB
V
DD
= 2.7 V
V
DD
= 5 V
V
DD
= 3.6 V
PSRR − Power Supply Rejection Ratio − dB
f − Frequency − Hz
20 k20
TPA2012D2
SLOS438D – DECEMBER 2004 – REVISED JUNE 2008 ..................................................................................................................................................
www.ti.com
TYPICAL CHARACTERISTICS (continued)
TOTAL HARMONIC DISTORTION SUPPLY CURRENT SUPPLY CURRENT
vs vs vs
FREQUENCY SHUTDOWN VOLTAGE SUPPLY VOLTAGE
Figure 10. Figure 11. Figure 12.
SUPPLY CURRENT SUPPLY CURRENT CROSSTALK
vs vs vs
OUTPUT POWER OUTPUT POWER FREQUENCY
Figure 13. Figure 14. Figure 15.
POWER SUPPLY POWER SUPPLY
CROSSTALK REJECTION RATIO REJECTION RATIO
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 16. Figure 17. Figure 18.
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