PCM3793A
PCM3794A
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SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
TYPICAL PERFORMANCE CURVES (continued)
All specifications at TA = 25°C, VDD = VIO = VCC = VPA = 3.3 V, fS = 48 kHz, system clock = 256 fS, and 16-bit data, unless
otherwise noted.
THD+N vs OUTPUT POWER
(HEADPHONE, 16-Ω, VOLUME = 6 dB)
THD+N vs OUTPUT POWER
(HEADPHONE, 16-Ω, VOLUME = 0 dB)
100
10
1
1
fIN = 1 kHz
fIN = 1 kHz
3.3 V
2.4 V
2.4 V
2.7 V
2.7 V
3.6 V
0.1
3.3 V
0.1
3.6 V
0.01
0.01
0
100
120
0
80
40
60
80
40
60
20
20
Output Power – mW
Output Power – mW
G019
G020
Figure 20.
Figure 21.
THD+N vs OUTPUT POWER
(SPEAKER, 8-Ω, VOLUME = 6 dB)
THD+N vs OUTPUT POWER
(SPEAKER, 8-Ω, VOLUME = 0 dB)
100
10
1
1
fIN = 1 kHz
fIN = 1 kHz
2.7 V
2.4 V
2.4 V
3.6 V
3.3 V
3.3 V
0.1
2.7 V
3.6 V
0.1
0.01
0.01
0
1000
0
600
400
600
800
400
500
200
100
200
300
Output Power – mW
Output Power – mW
G021
G022
Figure 22.
Figure 23.
15
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