AMC1204_15 Datasheet, PDF (14/37 Pages) Texas Instruments – AMC1204 20-MHz, Second-Order, Isolated Delta-Sigma Modulator

AMC1204, AMC1204B
SBAS512E – APRIL 2011 – REVISED SEPTEMBER 2015
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Typical Characteristics (continued)
At AVDD = 5 V, DVDD = 3.3 V, VINP = –250 mV to 250 mV, VINN = 0 V, and sinc³ filter with OSR = 256, unless otherwise
noted.
120
120
110
110
100
100
90
90
80
80
70
70
60
4.5
5
AVDD (V)
60
5.5
−40 −25 −10 5 20 35 50 65 80 95 110 125
Temperature (°C)
Figure 26. Spurious-Free Dynamic Range vs Analog Supply
Voltage
120
110
100
90
80
70
60
0.1
1
10
100
Input Signal Frequency (kHz)
Figure 27. Spurious-Free Dynamic Range vs Temperature
120
110
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
Input Signal Amplitude (mVpp)
1000
Figure 28. Spurious-Free Dynamic Range vs Input Signal
Frequency
120
110
100
90
80
70
60
5
10
15
20
25
Clock Frequency (MHz)
Figure 29. Spurious-Free Dynamic Range vs Input Signal
Amplitude
120
110
100
90
80
70
60
40
45
50
55
60
Clock Duty Cycle (%)
Figure 30. Spurious-Free Dynamic Range vs Clock
Frequency
Figure 31. Spurious-Free Dynamic Range vs Clock Duty
Cycle
14
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