Datasheet

-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0 20 40 60 80
HeadphoneOutputPower-mW
CM=0.9V,
R =32
L
W
CM=0.9V,
R =16
L
W
CM=1.65V,
R =16
L
W
CM=1.65V,
R =32
L
W
THD-TotalHarmonicDistortion-dB
0 50 100 150 200
32 BTL LoadW
Headphone Output Power - mW
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
THD - Total Harmonic Distortion - dB
GCHP Mode
DRVDD_HP = 1.8V
CM = 0.9 V
Unipolar Mode
DRVDD_HP = 3.3V
CM = 1.65 V
0 10 20 30 40 50
32W
16W
THDN dB
Headphone Output Power mW
-80
-70
-60
-50
-40
-30
-20
-10
0
50
55
60
65
70
75
80
85
90
95
100
-20 0 20 40 60
ChannelGain-dB
SNR-Signal-to-NoiseRatio-dB
R =10k ,Differential
IN
W
R =20k ,Differential
IN
W
R =10k ,SingleEnded
IN
W
R =20k ,SingleEnded
IN
W
TLV320AIC3256
www.ti.com SLOS630B –DECEMBER 2010–REVISED JANUARY 2013
Typical Characteristics
Device Power Consumption
Device power consumption largely depends on PowerTune configuration. For information on device power
consumption, see the TLV320AIC3256 Application Reference Guide, literature number SLAU306.
Typical Performance
ADC SNR TOTAL HARMONIC DISTORTION GCHP CONFIGURATION
vs vs
CHANNEL GAIN HEADPHONE OUTPUT POWER
Figure 10. Figure 11.
TOTAL HARMONIC DISTORTION UNIPOLAR
CONFIGURATION TOTAL HARMONIC DISTORTION
vs vs
HEADPHONE OUTPUT POWER HEADPHONE OUTPUT POWER
Figure 12. Figure 13.
Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 21
Product Folder Links: TLV320AIC3256