TAS5721_15 Datasheet, PDF (14/72 Pages) Texas Instruments – Digital Audio Power Amplifier with EQ, DRC, 2.1 Support, and Headphone/Line Driver

TAS5721
SLOS739 – JULY 2012
TYPICAL PERFORMANCE CHARACTERISTICS
SPACER
SPACER
OUTPUT POWER
vs
PVDD IN 2.1 MODE
8
2.1 SE Mode
T_A = 25°C
SPACER
SPACER
OUTPUT POWER
vs
PVDD IN PBTL MODE
25
PBTL Mode
T_A = 25°C
20
5
15
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THD+N = 1%, 2x8+8Ω
THD+N = 10%, 2x8+8Ω
THD+N = 1%, 2x8+4Ω
THD+N = 10%, 2x8+4Ω
0
8
10 12 14 16 18 20 22 24
Supply Voltage (V)
G002
Figure 9.
SPACER
SPACER
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY IN 2.0 MODE WITH PVDD = 12 V
10
2.0 BTL Mode
PVDD = 12V
P_O = 1W
T_A = 25°C
1
10
THD+N = 1%, 4Ω
5
THD+N = 10%, 4Ω
THD+N = 1%, 6Ω
THD+N = 10%, 6Ω
THD+N = 1%, 8Ω
THD+N = 10%, 8Ω
0
8 10 12 14 16 18 20 22 24
Supply Voltage (V)
G003
Figure 10.
SPACER
SPACER
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY in 2.0 MODE WITH PVDD = 18 V
10
2.0 BTL Mode
PVDD = 18V
P_O = 1W
T_A = 25°C
1
0.1
0.1
0.01
0.001
20
R_L = 4Ω
R_L = 6Ω
R_L = 8Ω
100
1k
Frequency (Hz)
Figure 11.
10k 20k
G004
0.01
0.001
20
R_L = 4Ω
R_L = 6Ω
R_L = 8Ω
100
1k
Frequency (Hz)
Figure 12.
10k 20k
G005
14
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