Datasheet

MAX1415/MAX1416
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADCs
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Table 3. MAX1416—Output RMS Noise vs. Gain and Output Data Rate (5V)
TYPICAL OUTPUT RMS NOISE (µV)
GAIN
FILTER FIRST NOTCH
AND OUTPUT DATA
RATE (Hz)
-3dB FREQUENCY
(Hz)
1248163264128
BUFFERED (f
CLKIN
= 1MHz)
20 5.24 3.51 1.87 1.11 0.75 0.70 0.71 0.67 0.65
25 6.55 4.46 2.39 1.32 0.90 0.83 0.81 0.75 0.74
100 26.2 92.29 47.60 28.62 11.60 6.40 3.70 2.34 2.30
200 52.4 552.57 295.67 105.50 69.01 35.15 17.37 9.04 9.05
UNBUFFERED (f
CLKIN
= 1MHz)
20 5.24 3.88 1.92 1.17 0.76 0.72 0.70 0.65 0.65
25 6.55 5.00 2.60 1.41 0.87 0.83 0.81 0.73 0.74
100 26.2 98.13 48.60 24.35 11.89 6.00 3.66 2.51 2.46
200 52.4 551.95 275.15 134.65 69.82 33.34 16.77 9.04 9.36
BUFFERED (f
CLKIN
= 2.4576MHz)
50 13.1 4.10 2.56 1.68 1.23 1.19 1.21 1.15 1.19
60 15.72 4.52 2.96 1.89 1.32 1.32 1.27 1.28 1.31
250 65.5 96.62 47.35 26.33 12.42 7.10 4.30 3.16 3.19
500 131 568.80 292.49 151.10 71.96 36.61 19.18 9.95 10.23
UNBUFFERED (f
CLKIN
= 2.4576MHz)
50 13.1 3.21 1.84 1.14 0.76 0.73 0.72 0.64 0.65
60 15.72 3.93 2.21 1.37 0.87 0.81 0.77 0.74 0.73
250 65.5 99.77 52.91 26.56 12.31 5.95 3.50 2.37 2.38
500 131 520.55 302.42 136.54 68.66 36.94 18.64 9.34 9.49