TPA0233
2-W MONO AUDIO POWER AMPLIFIER
WITH HEADPHONE DRIVE
SLOS278D – JANUARY 2000 – REVISED NOVEMBER 2002
TYPICAL CHARACTERISTICS
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
THD+N – Total Harmonic Distortion Plus Noise – %
THD+N – Total Harmonic Distortion Plus Noise – %
10
VDD = 3 V
RL = 32
Ω
Mode = Stereo
AV = 1.25 dB
1
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
10
VDD = 5 V
RL = 4
Ω
Mode = Mono
AV = 2.5 dB
20 kHz
15 kHz
1
0.1
15 kHz
20 kHz
1 kHz
0.1
1 kHz
20 Hz
0.01
0.01
PO – Output Power – W
0.1
20 Hz
0.01
0.01
0.1
1
PO – Output Power – W
10
Figure 14
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
THD+N – Total Harmonic Distortion Plus Noise – %
VDD = 5 V
RL = 8
Ω
Mode = Mono
AV = 2.5 dB
1
20 kHz
15 kHz
0.1
1 kHz
THD+N – Total Harmonic Distortion Plus Noise – %
10
Figure 15
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
10
VDD = 5 V
RL = 32
Ω
Mode = Stereo
AV = 1.25 dB
1
0.1
15 kHz
20 Hz
0.01
0.01
20 kHz
20 Hz
0.01
0.01
0.1
1
PO – Output Power – W
10
1 kHz
0.1
PO – Output Power – W
1
Figure 16
Figure 17
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
9
TI [ TEXAS INSTRUMENTS ]
