Datasheet

www.ti.com
−100
−99
−98
−97
−96
−95
−94
−93
−92
−91
−90
0 10 20 30 40
f
SAMPLE
Condition − kHz
THD+N − Total Harmonic Distortion + Noise − dB
44.1 96
(2)
48
(1)
(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.
G011
100
101
102
103
104
105
106
107
108
109
110
0 10 20 30 40
Dynamic Range and SNR − dB
44.1 96
(2)
48
(1)
SNR
Dynamic Range
f
SAMPLE
Condition − kHz
(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.
G012
OUTPUT SPECTRUM
G013
f − Frequency − kHz
−140
−120
−100
−80
−60
−40
−20
0
0 5 10 15 20
Input Level = −0.5 dB
Data Points = 8192
Amplitude − dB
G014
f − Frequency − kHz
−140
−120
−100
−80
−60
−40
−20
0
0 5 10 15 20
Amplitude − dB
Input Level = −60 dB
Data Points = 8192
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 DYNAMIC RANGE and SIGNAL-TO-NOISE RATIO
vs vs
f
SAMPLE
CONDITION f
SAMPLE
CONDITION
Figure 11. Figure 12.
OUTPUT SPECTRUM OUTPUT SPECTRUM
Figure 13. Figure 14.
9
Submit Documentation Feedback