TPA0172_16 Datasheet, PDF (8/37 Pages) Texas Instruments – 2-W STEREO CLASS-D AUDIO POWER AMPLIFIER

TPA0172
2ĆW STEREO AUDIO POWER AMPLIFIER
WITH I²C BUS
SLOS327C − AUGUST 2000 − REVISED MAY 2001
TYPICAL CHARACTERISTICS
SUPPLY RIPPLE REJECTION RATIO
vs
FREQUENCY
0
−10
RL = 32 Ω
CB = 0.47 µF
Mode = SE
−20
−30
−40
−50
AV = 6 dB
−60
−70
−80
AV = 14 dB
−90
−100
20
100
1k
f − Frequency − Hz
Figure 9
10k 20k
CROSSTALK
vs
FREQUENCY
0
PO = 1 W
−20
RL = 8 Ω
AV = 20 dB
Mode = BTL
−40
−60
−80
−100
−120
Left to Right
Right to Left
−140
20
100
1k
f − Frequency − Hz
Figure 10
10k 20k
CROSSTALK
vs
FREQUENCY
0
PO = 1 W
−20
RL = 8 Ω
AV = 6 dB
Mode = BTL
−40
−60
−80
−100
Left to Right
−120
−140
20
Right to Left
100
1k
f − Frequency − Hz
Figure 11
10k 20k
SHUTDOWN ATTENUATION
vs
FREQUENCY
0
VI = 100 mVRMS
RL = 8 Ω,
−20 ^{Mode = BTL}
−40
−60
−80
−100
−120
20
100
1k
f − Frequency − Hz
Figure 12
10k 20k
8
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