Datasheet

−70
−60
−50
−40
−30
−20
−10
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
G010
THD+N − Total Harmonic Distortion + Noise − dB
P
O
− Output Power − W
Driver Gain
= 6 dB
Driver Gain
= 12 dB
AVDD = HPVDD = 3.3 V
IOVDD = 3.3 V
SPKVDD = 5.5 V
DVDD = 1.8 V
R
L
= 4 Ω
Driver Gain
= 18 dB
Driver Gain
= 24 dB
−70
−60
−50
−40
−30
−20
−10
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
G011
THD+N − Total Harmonic Distortion + Noise − dB
P
O
− Output Power − W
AVDD = 3.3 V
HPVDD = 3.3 V
IOVDD = 3.3 V
DVDD = 1.8 V
Driver Gain = 18 dB
R
L
= 4 Ω
SPKVDD = 5.5 V
SPKVDD = 4.3 V
SPKVDD = 3.3 V
SPKVDD = 3.6 V
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14
G009
THD+N − Total Harmonic Distortion + Noise − dB
P
O
− Output Power − W
HPVDD = 3.3 V
CM = 1.65 V
HPVDD = 3.6 V
CM = 1.8 V
HPVDD = 3 V
CM = 1.5 V
HPVDD = 2.7 V
CM = 1.35 V
IOVDD = 3.3 V
DVDD = 1.8 V
Driver Gain = 9 dB
R
L
= 16 Ω
TLV320AIC3100
www.ti.com SLAS667A –NOVEMBER 2009–REVISED MAY 2012
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
Figure 4-9. Headphone Output Power
4.3 Class-D Speaker Driver Performance
Added Text for Spacing
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs vs
OUTPUT POWER OUTPUT POWER
Figure 4-10. Max Class-D Speaker-Driver Output Figure 4-11. Class-D Speaker-Driver Output Power
Power (R
L
= 4 Ω) (R
L
= 4 Ω)
Copyright © 2009–2012, Texas Instruments Incorporated TYPICAL PERFORMANCE 17
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