TPA2012D2
www.ti.com
SLOS438C–DECEMBER 2004–REVISED MARCH 2007
TYPICAL CHARACTERISTICS (continued)
TOTAL HARMONIC DISTORTION
SUPPLY CURRENT
vs
SHUTDOWN VOLTAGE
SUPPLY CURRENT
vs
vs
FREQUENCY
SUPPLY VOLTAGE
1
6
5
4
3
2
1
0
V
R
C
= 5 V,
= 8 W,
= 1 mF,
= 6 dB
DD
V
DD
= 5 V
L
380 mW
I
V
DD
= 3.6 V
A
V
V
DD
= 2.5 V
1.16 W
0.1
775 mW
No Output Filter
0.01
20
100
1 k
10 k 20 k
0
1
2
3
4
5
f − Frequency − Hz
V
SD
− Shutdown Voltage − V
Figure 10.
Figure 11.
Figure 12.
SUPPLY CURRENT
vs
OUTPUT POWER
SUPPLY CURRENT
vs
OUTPUT POWER
CROSSTALK
vs
FREQUENCY
800
700
600
500
400
300
200
0
1200
1000
800
600
400
200
0
I
is for Both Channels
I
is for Both Channels
DD
DD
R = 8 W
I
−20
−40
−60
2.5 V R to L
−80
5 V R to L
2.5 V L to R
V
DD
= 5 V, R = 4 W, 33 mH
L
V
DD
= 5 V, R = 8 W, 33 mH
L
−100
−120
−140
V
DD
= 3.6 V, R = 8 W, 33 mH
V = 3.6 V, R = 4 W, 33 mH
DD L
L
V
DD
= 2.5 V, R = 8 W, 33 mH
L
100
0
3.6 V L to R
V
DD
= 2.5 V, R = 4 W, 33 mH
L
3.6 V R to L
100
5 V L to R
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
2.2
20
1 k
10 k 20 k
P − Output Power/Channel − W
O
P
O
− Output Power/Channel − W
f − Frequency − Hz
Figure 13.
Figure 14.
Figure 15.
POWER SUPPLY
REJECTION RATIO
vs
POWER SUPPLY
REJECTION RATIO
vs
CROSSTALK
vs
FREQUENCY
FREQUENCY
FREQUENCY
0
−30
−40
−50
−60
−70
−80
−90
−100
−30
−40
−50
−60
−70
−80
−90
−100
Inputs AC, Grounded,
Inputs AC Grounded,
C
R
A
= 1 mF,
= 4 W,
= 6 dB
C
R
A
= 1 mF,
= 8 W,
= 6 dB
I
I
V
I
I
V
R
= 4 W
I
−20
−40
−60
V
DD
= 2.7 V
V
DD
= 2.7 V
2.5 V R to L
3.6 V L to R
−80
2.5 V L to R
V
DD
= 3.6 V
V
DD
= 3.6 V
−100
−120
V
DD
= 5 V
5 V L to R
5 V R to L
V
DD
= 5 V
3.6 V R to L
100
20
1 k
10 k 20 k
20
100
1 k
10 k 20 k
20
100
1 k
10 k 20 k
f − Frequency − Hz
f − Frequency − Hz
f − Frequency − Hz
Figure 16.
Figure 17.
Figure 18.
8
Submit Documentation Feedback
TI [ TEXAS INSTRUMENTS ]
