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−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
−100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0
Signal Level − dB
THD+N − Total Harmonic Distortion + Noise − dB
G015
SUPPLY CURRENT
0
5
10
15
0 10 20 30 40
I
CC
and I
DD
− Supply Current − mA
44.1 96
(2)
48
(1)
I
CC
f
SAMPLE
Condition − kHz
I
DD
(1)
f
S
= 48 kHz, System Clock = 256 f
S
,
Oversampling Ratio = ×128.
(2)
f
S
= 96 kHz, System Clock = 256 f
S
,
Oversampling Ratio = ×64.
G016
PCM1803A
SLES142A – JUNE 2005 – REVISED AUGUST 2006
TYPICAL PERFORMANCE CURVES (continued)
All specifications at T
A
= 25°C, V
CC
= 5 V, V
DD
= 3.3 V, master mode, f
S
= 44.1 kHz, system clock = 384 f
S
,
oversampling ratio = ×128, 24-bit data (unless otherwise noted)
TOTAL HARMONIC DISTORTION + NOISE
vs
SIGNAL LEVEL
Figure 15.
SUPPLY CURRENT
vs
f
SAMPLE
CONDITION
Figure 16.
10
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