MAX1415 Datasheet, PDF (12/36 Pages) Maxim Integrated Products – 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs

16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADCs
Table 3. MAX1416—Output RMS Noise vs. Gain and Output Data Rate (5V)
FILTER FIRST NOTCH
AND OUTPUT DATA
RATE (Hz)
-3dB FREQUENCY
(Hz)
1
TYPICAL OUTPUT RMS NOISE (µV)
GAIN
2
4
8
16
32
64
BUFFERED (f_CLKIN = 1MHz)
20
5.24
3.51
1.87
1.11
0.75
0.70
0.71
0.67
25
6.55
4.46
2.39
1.32
0.90
0.83
0.81
0.75
100
26.2
92.29 47.60 28.62 11.60 6.40
3.70
2.34
200
52.4
552.57 295.67 105.50 69.01 35.15 17.37
9.04
UNBUFFERED (f_CLKIN = 1MHz)
20
5.24
3.88
1.92
1.17
0.76
0.72
0.70
0.65
25
6.55
5.00
2.60
1.41
0.87
0.83
0.81
0.73
100
26.2
98.13 48.60 24.35 11.89 6.00
3.66
2.51
200
52.4
551.95 275.15 134.65 69.82 33.34 16.77
9.04
BUFFERED (f_CLKIN = 2.4576MHz)
50
13.1
4.10
2.56
1.68
1.23
1.19
1.21
1.15
60
15.72
4.52
2.96
1.89
1.32
1.32
1.27
1.28
250
65.5
96.62 47.35 26.33 12.42 7.10
4.30
3.16
500
131
568.80 292.49 151.10 71.96 36.61 19.18
9.95
UNBUFFERED (f_CLKIN = 2.4576MHz)
50
13.1
3.21
1.84
1.14
0.76
0.73
0.72
0.64
60
15.72
3.93
2.21
1.37
0.87
0.81
0.77
0.74
250
65.5
99.77 52.91 26.56 12.31 5.95
3.50
2.37
500
131
520.55 302.42 136.54 68.66 36.94 18.64
9.34
128
0.65
0.74
2.30
9.05
0.65
0.74
2.46
9.36
1.19
1.31
3.19
10.23
0.65
0.73
2.38
9.49
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