Texas Instruments TPA3200D1 - Manual (Page 10)

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0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k 50 100 200 500 1k 2k 5k 10k
THD + N - T
ot
al Harmonic Distortion + Noise - %
f - Frequency - Hz
V = 12 V
CC
R = 4
L
Ù
Gain = 18 dB
f = 48 kHz
S
24-Bit, I S format
2
P = 2 W
o
P = 200 mW
o
P = 7.5 W
o
−70
−60
−50
−40
−30
−20
−10
0
20 100 1 k 10 k 20 k
f − Frequency − Hz
PSRR − Power Supply Rejecyion Ratio − dB
V
CC
= 12 V
V
(RIPPLE)
= 200 mV
PP
R
L
= 8 W
Gain = 18 dB
0
10
20
30
40
50
60
70
80
90
0 2 4 6 8 10 12 14
P
O
− Output Power − W
4
Ω
8
Ω
Efficiency − %
V
CC
= 12 V
5
7
9
11
13
15
17
19
21
3.6 4 5 6 7 8 9 10
V
CC
= 18 V
V
CC
= 15 V
V
CC
= 12 V
T
A
= 25
°
C,
10% THD Maximum
Z
L
− Load Impedance −
Ω
− Output Power − W
P
O
TPA3200D1
SLOS442A – MAY 2005 – REVISED JULY 2005
TYPICAL CHARACTERISTICS (continued)
Total Harmonic Distortion Power Supply Voltage Rejection Ratio
vs vs
Frequency Frequency
Figure 9. Figure 10.
Efficiency Output Power
vs vs
Output Power Load Impedance
Figure 11. Figure 12.
10