TPA6120A2 Datasheet, PDF (7/24 Pages) Texas Instruments – HIGH FIDELITY HEADPHONE AMPLIFIER

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TYPICAL CHARACTERISTICS (continued)
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
0.1
R_L = 64 W,
Gain = 2 V/V,
R_F = 1 kW,
R_I = 1 kW,
BW = 80 kHz
0.01
0.001
V_CC = +15 V, P_O = 700 mW
V_CC = +15 V, P_O = 1.35 W
V_CC = +12 V, P_O = 425 mW
TPA6120A2
SLOS431 – MARCH 2004
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
1
R_L = 32 W,
Gain = 2 V/V,
R_F = 1 kW,
R_I = 1 kW,
0.1 ^{BW = 80 kHz}
0.01
0.001
V_CC = +15 V, P_O = 1.5 W
V_CC = +15 V, P_O = 1.25 W
V_CC = +12 V, P_O = 950 mW
V_CC = +12 V, P_O = 800 mW
0.0001 ^{VCC = +12 V, PO = 500 mW}
10
100
1k
10 k
50 k
f − Frequency − Hz
Figure 3.
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT VOLTAGE
10
R_L = 10 kW,
Gain = 3 V/V,
1
f = 1 kHz,
R_F = 2 kW,
R_I = 1 kW,
BW = 80 kHz
0.1
0.01
0.001
V_CC = +12 V
0.0001
0.00001
35
V_CC = +15 V
10
15
20 25 30
35
V_O − Output Voltage − V_PP
Figure 5.
0.0001
10
100
1k
10 k
50 k
f − Frequency − Hz
Figure 4.
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
10
R_L = 600 W,
Gain = 3 V/V,
f = 1 kHz,
1 _{RF = 2 kW,}
R_I = 1 kW,
BW = 80 kHz
0.1
V_CC = +12 V
0.01
V_CC = +15 V
0.001
0.0001
0.00001
0.01
0.1
0.2
P_O − Output Power − W
Figure 6.
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