TPA3110D2_0911 Datasheet, PDF (9/33 Pages) Texas Instruments – 15-W FILTER-FREE STEREO CLASS-D AUDIO POWER AMPLIFIER with SPEAKERGUARD™

TPA3110D2
www.ti.com................................................................................................................................................. SLOS528A – JULY 2009 – REVISED SEPTEMBER 2009
TYPICAL CHARACTERISTICS (continued)
(All Measurements taken at 1 kHz, unless otherwise noted. Measurements were made using the TPA3110D2 EVM which is
available at ti.com.)
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER (BTL)
10
Gain = 20 dB
V_CC = 24 V
Z_L = 8 Ω + 66 µH
1
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER (BTL)
10
Gain = 20 dB
V_CC = 12 V
Z_L = 6 Ω + 47 µH
1
f = 1 kHz
0.1
f = 1 kHz
f = 20 Hz
0.1
0.01
0.001
0.01
f = 20 Hz
f = 10 kHz
0.1
1
10
P_O − Output Power − W
Figure 10.
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER (BTL)
10
Gain = 20 dB
V_CC = 18 V
Z_L = 6 Ω + 47 µH
1
f = 1 kHz
f = 20 Hz
0.1
50
G009
0.01
0.001
0.01
f = 10 kHz
0.1
1
10
P_O − Output Power − W
Figure 11.
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER (BTL)
10
Gain = 20 dB
V_CC = 12 V
Z_L = 4 Ω + 33 µH
1
f = 1 kHz
0.1
50
G010
0.01
0.001
0.01
f = 10 kHz
0.1
1
10
P_O − Output Power − W
Figure 12.
0.01
50
G011
0.001
0.01
f = 20 Hz
f = 10 kHz
0.1
1
10
P_O − Output Power − W
Figure 13.
50
G012
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