Datasheet

MAX1415/MAX1416
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADCs
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Table 1. MAX1415—Output RMS Noise vs. Gain and Output Data Rate (3V)
TYPICAL OUTPUT RMS NOISE (µV)
GAIN
FILTER FIRST NOTCH
AND OUTPUT DATA
RATE (Hz)
-3dB FREQUENCY
(Hz)
1 2 4 8 16 32 64 128
BUFFERED (f
CLKIN
= 1MHz)
20 5.24 2.85 1.63 2.16 0.70 0.67 0.63 0.64 0.62
25 6.55 3.46 1.92 1.13 6.05 0.75 0.73 0.70 0.70
100 26.2 48.94 26.98 11.99 0.85 3.44 2.27 1.66 1.72
200 52.4 270.91 161.33 66.19 32.64 16.89 8.34 4.98 4.86
UNBUFFERED (f
CLKIN
= 1MHz)
20 5.24 3.09 1.70 1.05 0.72 0.66 0.64 0.60 0.60
25 6.55 3.58 1.94 1.23 0.80 0.77 0.73 0.70 0.70
100 26.2 51.92 24.54 11.47 6.14 3.26 2.16 1.67 1.64
200 52.4 263.86 136.78 65.40 34.51 16.64 8.97 4.96 4.80
BUFFERED (f
CLKIN
= 2.4576MHz)
50 13.1 3.03 1.97 1.34 1.01 0.95 0.93 0.96 0.95
60 15.72 3.62 2.14 1.52 1.05 0.98 1.03 1.04 1.00
250 65.5 51.02 25.44 12.95 6.19 3.84 2.70 2.35 2.23
500 131 280.58 138.29 70.21 34.60 18.44 9.45 5.40 5.34
UNBUFFERED (f
CLKIN
= 2.4576MHz)
50 13.1 3.76 1.63 0.96 0.69 0.66 0.64 0.59 0.61
60 15.72 3.11 1.86 1.12 0.78 0.75 0.71 0.71 0.69
250 65.5 48.28 25.13 12.75 6.18 3.32 2.12 1.59 1.62
500 131 280.67 143.15 75.84 34.70 17.88 9.19 4.90 4.98