Datasheet
TYPICAL PERFORMANCE CURVES (continued)
90
92
94
96
98
4.25 4.50 4.75 5.00 5.25 5.50 5.75
V
CC
− Supply Voltage − V
Dynamic Range − dB
98
96
94
90
92
SNR − Signal-to-Noise Ratio − dB
G004
Dynamic Range
SNR
0.002
0.004
0.006
0.008
0.010
4.25 4.50 4.75 5.00 5.25 5.50 5.75
V
CC
− Supply Voltage − V
THD+N − Total Harm. Dist. + Noise at −0.5 dB − %
4
3
2
0
1
THD+N − Total Harm. Dist. + Noise at −60 dB − %
G003
−60 dB
−0.5 dB
0.002
0.004
0.006
0.008
0.010
System Clock
THD+N − Total Harm. Dist. + Noise at −0.5 dB − %
4
3
2
0
1
G005
THD+N − Total Harm. Dist. + Noise at −60 dB − %
−60 dB
−0.5 dB
44.1 kHz
32 kHz
48 kHz
44.1 kHz
32 kHz
48 kHz
512 f
S
256 f
S
384 f
S
0.002
0.004
0.006
0.008
0.010
Resolution
THD+N − Total Harm. Dist. + Noise at −0.5 dB − %
4
3
2
0
1
G006
THD+N − Total Harm. Dist. + Noise at −60 dB − %
−60 dB
20-Bit16-Bit
−0.5 dB
PCM1800
SBAS071B – OCTOBER 2000 – REVISED AUGUST 2008 ...............................................................................................................................................
www.ti.com
All specifications at T
A
= 25 ° C, V
DD
= V
CC
= 5 V, slave mode, f
S
= 44.1 kHz, 20-bit input data, and SYSCLK = 384 f
S
, unless
otherwise noted
THD+N DYNAMIC RANGE AND SNR
vs vs
POWER SUPPLY POWER SUPPLY
Figure 3. Figure 4.
THD+N THD+N
vs vs
SYSTEM CLOCK and SAMPLING FREQUENCY OUTPUT DATA RESOLUTION
Figure 5. Figure 6.
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