AD7148
TYPICAL AVERAGE CURRENT IN LOW POWER MODE
VCC = 3.6 V, T = 25°C, load of 50 pF, unless otherwise noted.
Table 2.
Low Power Mode Delay
200 ms
400 ms
600 ms
800 ms
Decimation Rate
64
128
256
64
128
256
64
128
256
64
128
256
1
20.83
25.3
34.11
18.17
20.43
24.9
17.28
18.79
21.79
16.84
17.97
20.23
2
24.18
31.92
46.99
19.86
23.79
31.53
18.41
21.04
26.25
17.69
19.66
23.59
Current Values of Conversion Stages (μA)
3
4
5
6
7
27.52 30.82 34.11 37.37 40.6
38.45 44.87 51.21 57.45 63.6
59.51 71.66 83.47 94.94 106.1
21.55 23.23 24.9
26.57 28.23
27.12 30.43 33.72 36.98 40.22
38.06 44.5 50.83 57.08 63.23
19.54 20.67 21.79 22.91 24.03
23.28 25.51 27.73 29.94 32.13
30.67 35.04 39.37 43.66 47.9
18.53 19.38 20.23 21.07 21.91
21.35 23.03 24.7
26.37 28.03
26.93 30.24 33.53 36.79 40.03
8
43.81
69.66
116.96
29.88
43.43
69.3
25.14
34.32
52.11
22.75
29.69
43.24
MAXIMUM AVERAGE CURRENT IN LOW POWER MODE
VCC = 3.6 V, load of 50 pF, unless otherwise noted.
Table 3.
Low Power Mode Delay
200 ms
400 ms
600 ms
800 ms
Decimation Rate
64
128
256
64
128
256
64
128
256
64
128
256
1
27.71
32.96
43.28
24.61
27.26
32.51
23.58
25.35
28.87
23.06
24.39
27.04
2
31.65
40.72
58.37
26.6
31.21
40.29
24.91
27.99
34.11
24.06
26.38
30.98
Current Values of Conversion Stages (μA)
3
4
5
6
7
35.56 39.44 43.28 47.1
50.89
48.37 55.89 63.3
70.59 77.77
72.99 87.17 100.92 114.26 127.22
28.58 30.55 32.51 34.47 36.42
35.12 39
42.85 46.67 50.46
47.94 55.47 62.88 70.18 77.36
26.23 27.55 28.87 30.18 31.5
30.62 33.24 35.84 38.43 41
39.29 44.41 49.48 54.5
59.46
25.05 26.05 27.04 28.03 29.02
28.36 30.33 32.29 34.25 36.2
34.9 38.78 42.64 46.46 50.25
8
54.64
84.84
139.8
38.36
54.22
84.44
32.8
43.56
64.38
30
38.14
54.01
Rev. 0 | Page 4 of 56