TPA741_07 Datasheet, PDF (8/24 Pages) Texas Instruments – 700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER WITH DIFFERENTIAL INPUTS

TPA741
SLOS316C – JUNE 2000 – REVISED JUNE 2004
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
10
V_DD = 5 V
R_L = 8 Ω
A_V = −2 V/V
P_O = 50 mW
1
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TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
10
V_DD = 5 V
f = 1 kHz
A_V = −2 V/V
1
P_O = 700 mW
0.1
0.1
P_O = 350 mW
R_L = 8 Ω
0.01
20
100
1k
f − Frequency − Hz
Figure 12.
10k 20k
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
10
f = 20 kHz
1
f = 10 kHz
f = 1 kHz
0.1
f = 20 Hz
V_DD = 5 V
R_L = 8 Ω
C_B = 1 µF
A_V = −2 V/V
0.01
0.01
0.1
1
P_O − Output Power − W
Figure 14.
0.01
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
P_O − Output Power − W
Figure 13.
80
70
60
50
40
30
20
10
0
−10
−20
−30
1
OPEN-LOOP GAIN AND PHASE
vs
FREQUENCY
V_DD = 3.3 V
R_L = Open
180°
140°
Phase
100°
60°
Gain
20°
− 20°
−60°
−100°
−140°
10¹
10²
10³
f − Frequency − kHz
−180°
10⁴
Figure 15.
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