Texas Instruments TPA3008D2 - Manual (Page 10)

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0
10
20
30
40
50
60
70
80
90
100
0 1 2 3 4 5 6 7 8 9 10
Efficiency − %
16 W
8 W
P
O
− Total Output Power − W
11 12
V
CC
= 12 V,
LC Filter,
Resistive Load,
Stereo Operation
0
0.2
0.4
0.6
0.8
1
1.2
1.4
0 2 4 6 8 10 12
P
O
− Total Output Power − W
1.6
1.8
2.0
14 16 18 20
LC Filter,
Resistive Load,
Stereo Operation
− Supply Current −
A
V
CC
V
CC
= 18 V,
R
L
= 16 W
V
CC
= 12 V,
R
L
= 16 W
V
CC
= 12 V,
R
L
= 8 W
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
20 100 1 k 10 k
Crosstalk − dB
f − Frequency − Hz
V
CC
= 12 V,
P
O
= 2.5 W,
Gain = 21.6 dB
R
L
= 8 W
20 k
−100
−90
−80
−70
−60
−50
−40
20 100 1 k 10 k
f − Frequency − Hz
k
SVR
− Supply Ripple Rejection Ratio − dB
V
CC
= 12 V,
V
(RIPPLE)
= 200 mV
PP
,
R
L
= 8 W ,
Gain = 15.6 dB
20 k
−30
−20
−10
0
TPA3008D2
SLOS435A – MAY 2004 – REVISED JULY 2004
EFFICIENCY SUPPLY CURRENT
vs vs
TOTAL OUTPUT POWER TOTAL OUTPUT POWER
Figure 11. Figure 12.
CROSSTALK SUPPLY RIPPLE REJECTION RATIO
vs vs
FREQUENCY FREQUENCY
Figure 13. Figure 14.
10