PCM1808
www.ti.com
SLES177A–APRIL 2006–REVISED AUGUST 2006
TYPICAL PERFORMANCE CURVES (Continued)
All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 48 kHz, system clock = 512 fS, 24-bit data, unless
otherwise noted.
THD + N
vs
fSAMPLE CONDITION
DYNAMIC RANGE AND SNR
vs
fSAMPLE CONDITION
−87
−88
−89
−90
−91
−92
−93
−94
−95
−96
−97
105
104
103
102
101
100
99
Dynamic Range
SNR
98
97
(1)
(2)
(3)
(1)
(2)
(3)
System Clock = 384 f
System Clock = 512 f
System Clock = 256 f
System Clock = 384 f
System Clock = 512 f
System Clock = 256 f
S
S
96
S
S
S
S
95
(1)
(2)
(3)
(1)
(2)
(3)
44.1
f
48
96
44.1
f
48
96
Condition − kHz
Condition − kHz
SAMPLE
SAMPLE
G011
G012
Figure 11.
Figure 12.
OUTPUT SPECTRUM
OUTPUT SPECTRUM (–0.5 dB, N = 8192)
OUTPUT SPECTRUM (–60 dB, N = 8192)
0
−20
0
−20
Input Level = −0.5 dB
Data Points = 8192
Input Level = −60 dB
Data Points = 8192
−40
−40
−60
−60
−80
−80
−100
−120
−140
−100
−120
−140
0
5
10
15
20
0
5
10
15
20
f − Frequency − kHz
f − Frequency − kHz
G013
G014
Figure 13.
Figure 14.
9
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