www.ti.com
TAS5112A
SLES094A - OCTOBER 2003 - REVISED MARCH 2004
SYSTEM OUTPUT STAGE EFFICIENCY
vs
OUTPUT POWER
100
90
η
- System Output Stage Efficiency - %
80
Ptot - Power Loss - W
70
60
50
40
30
20
10
0
0
5
10 15 20 25 30 35 40 45 50 55 60 65
PO - Output Power - W
f = 1 kHz
RL = 6
Ω
TC = 75°C
11
10
9
8
7
6
5
4
3
2
1
0
0
5
f = 1 kHz
RL = 6
Ω
TC = 75°C
POWER LOSS
vs
OUTPUT POWER
10 15 20 25 30 35 40 45 50 55 60 65
PO - Output Power - W
Figure 5
Figure 6
OUTPUT POWER
vs
CASE TEMPERATURE
60
58
56
PO - Output Power - W
54
52
50
48
46
44
42
40
0
20
40
60
80
100
120
140
TC - Case Temperature -
°C
Channel 2
Channel 1
Amplitude - dBr
PVDD = 29.5 V
RL = 6
Ω
3.0
2.5
2.0
1.5
1.0
0.5
0.0
−0.5
−1.0
−1.5
−2.0
−2.5
−3.0
10
100
AMPLITUDE
vs
FREQUENCY
RL = 8
Ω
RL = 6
Ω
1k
f - Frequency - Hz
10k
50k
Figure 7
Figure 8
9
TI [ TEXAS INSTRUMENTS ]
