Datasheet

f − Frequency − kHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 5 10 15 20
Amplitude − dBFS
G024
f − Frequency − kHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 5 10 15 20
Amplitude − dBFS
G027
−70
−60
−50
−40
−30
−20
−10
0
0.0 0.5 1.0 1.5 2.0 2.5
G006
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
= 8 Ω
Driver Gain
= 24 dB
Driver Gain
= 18 dB
−70
−60
−50
−40
−30
−20
−10
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
G007
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
= 8 Ω
SPKVDD = 5.5 V
SPKVDD = 4.3 V
SPKVDD = 3.3 V
SPKVDD = 3.6 V
TLV320AIC3120
www.ti.com SLAS653A –FEBRUARY 2010–REVISED MAY 2012
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs vs
OUTPUT POWER OUTPUT POWER
Figure 4-12. Max Class-D Speaker-Driver Output Figure 4-13. Class-D Speaker-Driver Output Power
Power (R
L
= 8 Ω) (R
L
= 8 Ω)
4.4 Analog Bypass Performance
AMPLITUDE AMPLITUDE
vs vs
FREQUENCY FREQUENCY
Figure 4-14. FFT - Line In Bypass to Line Output Figure 4-15. FFT - Line In Bypass to Headphone
Output
Copyright © 2010–2012, Texas Instruments Incorporated TYPICAL PERFORMANCE 17
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