Datasheet

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TYPICAL PERFORMANCE CURVES
ADC SECTION
84
86
88
90
92
−25 0 25 50 75 100
T
A
− Free-Air Temperature − °C
Dynamic Range − dB
SNR
92
90
88
84
86
SNR − Signal-to-Noise Ratio − dB
G002
Dynamic Range
0.002
0.004
0.006
0.008
0.010
−25 0 25 50 75 100
T
A
− Free-Air Temperature − °C
THD+N − Total Harm. Dist. + Noise at −0.5 dB − %
−0.5 dB
6
5
4
2
3
−60 dB
G001
THD+N − Total Harm. Dist. + Noise at −60 dB − %
84
86
88
90
92
2.1 2.4 2.7 3.0 3.3 3.6 3.9
V
CC
− Supply Voltage − V
Dynamic Range − dB
92
90
88
84
86
SNR − Signal-to-Noise Ratio − dB
G004
Dynamic Range
SNR
0.002
0.004
0.006
0.008
0.010
2.1 2.4 2.7 3.0 3.3 3.6 3.9
V
CC
− Supply Voltage − V
THD+N − Total Harm. Dist. + Noise at −0.5 dB − %
6
5
4
2
3
THD+N − Total Harm. Dist. + Noise at −60 dB − %
G003
−60 dB
−0.5 dB
PCM3006
SBAS089A – OCTOBER 2000 – REVISED OCTOBER 2004
All specifications at T
A
= 25 ° C, V
CC
= V
DD
= 3 V, f
S
= 44.1 kHz, f
SYSCLK
= 384 f
S
, and f
SIGNAL
= 1 kHz, unless otherwise noted
THD+N DYNAMIC RANGE and SNR
vs vs
TEMPERATURE TEMPERATURE
Figure 1. Figure 2.
THD+N DYNAMIC RANGE and SNR
vs vs
SUPPLY VOLTAGE SUPPLY VOLTAGE
Figure 3. Figure 4.
NOTE: All characteristics at supply voltages from 2.4 V to 2.7 V are measured at SYSCLK = 256 f
S
.
7