TPA112_16 Datasheet, PDF (10/32 Pages) Texas Instruments – 150-mW STEREO AUDIO POWER AMPLIFIER

TPA112
SLOS212E – AUGUST 1998 – REVISED JUNE 2004
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
0
V_DD = 3.3 V
−10
R_L = 8 Ω to 10 kΩ
−20
C_B = 0.1 µF
−30
C_B = 1 µF
−40
−50
−60 _{CB = 2 µF}
−70 _{Bypass = 1.65 V}
−80
−90
−100
20
100
1k
f − Frequency − Hz
Figure 19.
10k 20k
OUTPUT NOISE VOLTAGE
vs
FREQUENCY
20
10
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POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
0
V_DD = 5 V
−10
R_L = 8 Ω to 10 kΩ
−20
C_B = 0.1 µF
−30
C_B = 1 µF
−40
−50
−60 _{CB = 2 µF}
−70
−80
−90
−100
20
Bypass = 2.5 V
100
1k
f − Frequency − Hz
Figure 20.
10k 20k
OUTPUT NOISE VOLTAGE
vs
FREQUENCY
20
10
V_DD = 3.3 V
BW = 10 Hz to 22 kHz
A_V = 1 V/V
R_L = 8 Ω to 10 kΩ
1
20
100
1k
f − Frequency − Hz
Figure 21.
10k 20k
V_DD = 5 V
BW = 10 Hz to 22 kHz
R_L = 8 Ω to 10 kΩ
A_V = 1 V/V
1
20
100
1k
f − Frequency − Hz
Figure 22.
10k 20k
10