TPA3121D2_16 Datasheet, PDF (8/32 Pages) Texas Instruments – 15-W STEREO CLASS-D AUDIO POWER AMPLIFIER

TPA3121D2
SLOS537B – MAY 2008 – REVISED JANUARY 2014
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
CROSSTALK
vs
FREQUENCY
−20
V_CC = 18 V
−30 ^{VO = 1 Vrms}
R_L = 8 Ω (SE)
P_O = 0.125 W
−40 _{Gain = 20 dB}
CROSSTALK
vs
FREQUENCY
−20
V_CC = 24 V
−30 ^{VO = 1 Vrms}
R_L = 8 Ω (SE)
P_O = 0.125 W
−40 _{Gain = 20 dB}
−50
−50
−60
Right to Left
−70
−80
Left to Right
−60
Right to Left
−70
−80
Left to Right
−90
−90
−100
20
100
1k
f − Frequency − Hz
Figure 9.
10k 20k
G009
−100
20
100
1k
f − Frequency − Hz
Figure 10.
40
V_CC = 24 V
35 ^{RL = 4 Ω (SE)}
Gain = 20 dB
L_filt = 22 µH
30 _{Cfilt = 0.68 µF}
C_dc = 1000 µF
25
20
15
GAIN/PHASE
vs
FREQUENCY
Gain
Phase
10
5
0
20
100
1k
10k
f − Frequency − Hz
Figure 11.
600
500
400
300
200
100
0
−100
−200
100k
G011
40
V_CC = 24 V
35 ^{RL = 8 Ω (SE)}
Gain = 20 dB
L_filt = 33 µH
30 _{Cfilt = 0.22 µF}
C_dc = 470 µF
25
20
15
GAIN/PHASE
vs
FREQUENCY
Gain
Phase
10
5
0
20
100
1k
10k
f − Frequency − Hz
Figure 12.
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10k 20k
G010
600
500
400
300
200
100
0
−100
−200
100k
G012
8
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