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TPA2028D1_17 Datasheet, PDF (9/43 Pages) Texas Instruments – 3-W Mono Class-D Audio Amplifier With Fast Gain Ramp SmartGain AGC/DRC
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TPA2028D1
SLOS660C – JANUARY 2010 – REVISED OCTOBER 2015
Typical Characteristics (continued)
with C(DECOUPLE) = 1 μF, CI = 1 µF. All THD + N graphs are taken with outputs out of phase (unless otherwise noted).
10
10
Gain = 6 dB
RL = 8 W + 33 mH
1 VDD = 3.6 V
PO = 0.5 W
Gain = 6 dB
RL = 4 W + 33 mH
1 VDD = 3.6 V
PO = 1 W
PO = 0.25 W
0.1
0.1
0.01
0.001
20
PO = 0.05 W
100
1k
f − Frequency − Hz
10k 20k
G008
Figure 11. Total Harmonic Distortion + Noise vs Frequency
10
Gain = 6 dB
RL = 8 W + 33 mH
1 VDD = 5 V
PO = 0.5 W
0.1
PO = 0.1 W
0.01
0.001
20
PO = 1 W
100
1k
f − Frequency − Hz
10k 20k
G009
Figure 13. Total Harmonic Distortion + Noise vs Frequency
100
Gain = 6 dB
RL = 8 W + 33 mH
10 f = 1 kHz
1
VDD = 3.6 V
VDD = 5 V
0.01
0.001
20
PO = 0.1 W
PO = 0.5 W
100
1k
f − Frequency − Hz
10k 20k
G010
Figure 12. Total Harmonic Distortion + Noise vs Frequency
10
Gain = 6 dB
RL = 4 W + 33 mH
1 VDD = 5 V
PO = 2 W
0.1
PO = 1 W
0.01
0.001
20
PO = 0.2 W
100
1k
f − Frequency − Hz
10k 20k
G011
Figure 14. Total Harmonic Distortion + Noise vs Frequency
100
Gain = 6 dB
RL = 4 W + 33 mH
10 f = 1 kHz
1
VDD = 3.6 V
VDD = 5 V
0.1
0.1
0.01
0.01
0.1
1
PO − Output Power − W
3
G012
Figure 15. Total Harmonic Distortion + Noise vs Output
Power
0.01
0.01
0.1
1
PO − Output Power − W
5
G013
Figure 16. Total Harmonic Distortion + Noise vs Output
Power
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