TPA2029D1 Datasheet, PDF (6/17 Pages) Texas Instruments – 3-W Mono Class-D Audio Amplifier With SmartGain™ AGC/DRC

TPA2029D1
SLOS661A – DECEMBER 2011 – REVISED APRIL 2012
TYPICAL CHARACTERISTICS
with C_(DECOUPLE) = 1 μF, C_I = 1 µF.
All THD + N graphs are taken with outputs out of phase (unless otherwise noted).
All data is taken on left channel.
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Table of Graphs
Quiescent supply current
Total harmonic distortion + noise
Total harmonic distortion + noise
Total harmonic distortion + noise
Supply ripple rejection ratio
Efficiency
Total power dissipation
Total supply current
Output power
Shutdown time
Startup time
vs Supply voltage
vs Frequency
vs Frequency
vs Output power
vs Frequency
vs Output power (per channel)
vs Total output power
vs Total output power
vs Supply voltage
FIGURE
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10 , Figure 11
Figure 12
Figure 13
QUIESCENT SUPPLY CURRENT
vs
SUPPLY VOLTAGE
10
9 ^{RL = 8 Ω + 33 µH}
EN = V_DD
8
7
6
5
4
3
2
1
0
2.5
3.0
3.5
4.0
4.5
5.0
V_DD − Supply Voltage − V
Figure 2.
5.5
G001
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
10
Gain = 6 dB
R_L = 8 Ω + 33 µH
1 ^{VDD = 3.6 V}
P_O = 0.5 W
P_O = 0.25 W
0.1
0.01
0.001
20
P_O = 0.05 W
100
1k
f − Frequency − Hz
Figure 3.
10k 20k
G008
6
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