PCM1808
www.ti.com
SLES177A–APRIL 2006–REVISED AUGUST 2006
TYPICAL PERFORMANCE CURVES
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
TEMPERATURE
DYNAMIC RANGE AND SNR
vs
TEMPERATURE
−87
−88
−89
−90
−91
−92
−93
−94
−95
−96
−97
105
104
103
102
101
100
99
Dynamic Range
SNR
98
97
96
95
−50
−50
−25
0
25
50
75
100
−25
0
25
50
75
100
T
A
− Free-Air Temperature − °C
T
A
− Free-Air Temperature − °C
G007
G008
Figure 7.
Figure 8.
THD + N
vs
SUPPLY VOLTAGE
DYNAMIC RANGE AND SNR
vs
SUPPLY VOLTAGE
−87
−88
−89
−90
−91
−92
−93
−94
−95
−96
−97
105
104
103
102
101
100
99
Dynamic Range
SNR
98
97
96
95
4.25
4.25
4.50
4.75
5.00
5.25
5.50
5.75
4.50
4.75
5.00
5.25
5.50
5.75
V
CC
− Supply Voltage − V
V
CC
− Supply Voltage − V
G009
G010
Figure 9.
Figure 10.
8
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