AD7147
58000
56000
54000
52000
50000
48000
46000
44000
42000
40000
0
100
200
300
400
500
ACSHIELD CAPACITIVE LOAD (pF)
Figure 13. Output Code vs. Capacitive Load on ACSHIELD
160
25mV
75mV
125mV
175mV
50mV
100mV
150mV
200mV
140
120
100
80
60
40
20
0
SINE WAVE FREQUENCY (Hz)
Figure 16. Power Supply Sine Wave Rejection, VCC = 3.6 V
960
940
3.6V
920
900
3.3V
880
860
840
820
2.6V
800
780
–60 –40 –20
0 20 40 60 80 100 120
TEMPERATURE (°C)
Figure 14. Supply Current vs. Temperature
120
25mV
75mV
125mV
175mV
50mV
100mV
150mV
200mV
100
80
60
40
20
0
SQUARE WAVE FREQUENCY (Hz)
Figure 17. Power Supply Square Wave Rejection, VCC = 3.6 V
12
10
8
6
3.6V
4
3.3V
2.6V
2
0
–45 –25 –5 15 35 55 75 95 115 135
TEMPERATURE (°C)
Figure 15. Shutdown Supply Current vs. Temperature
35
30
25
20
15
10
5
0
0
10000 20000 30000 40000 50000 60000
CDC OUTPUT CODE
Figure 18. CDC Linearity, VCC = 3.3 V
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