Datasheet

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0
20
40
60
80
100
120
2 2.5 3 3.5 4
PowerSupply-V
Vol=6dB
Vol=0dB
f =1kHz
IN
P
-OutputPower-mW
O
0.01
0.1
1
10
100
0 20 40 60 80 100 120
P -OutputPower-mW
O
2.4V
3.3V
3.6V
f =1kHz
IN
THD+N-TotalHarmanicDistortion+Noise-%
2.7V
-140
-120
-100
-80
-60
-40
-20
0
0 5 10 15 20
f-Frequency-kHz
f =1kHz/ –60dB
IN
Amplitude-dB
0.01
0.1
1
0 20 40 60 80
P -OutputPower-mW
O
2.4V
2.7V
3.3V
3.6V
f =1kHz
IN
THD+N-TotalHarmanicDistortion+Noise-%
PCM1774
SLAS551 – JULY 2007
TYPICAL PERFORMANCE CURVES (continued)
All specifications at T
A
= 25 ° C, V
DD
= V
IO
= V
CC
= V
PA
= 3.3 V, f
S
= 48 kHz, system clock = 256 f
S
, and 16-bit data, unless
otherwise noted.
OUTPUT POWER vs POWER SUPPLY THD+N vs OUTPUT POWER
(HEADPHONE, 16- Ω ) (HEADPHONE, 16- Ω , VOLUME = 6 dB)
Figure 9. Figure 10.
THD+N vs OUTPUT POWER OUTPUT SPECTRUM (DAC TO HEADPHONE OUTPUT,
(HEADPHONE, 16- Ω , VOLUME = 0 dB) 16- Ω )
Figure 11. Figure 12.
9
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