Measurement Computing USB-2416, User Manual

Page: 35 / 48

USB-2416 User's Guide Specifications
35
Throughput rate
The single channel throughput rate is calculated using this formula:
Maximum throughput =
1
1
data rate
+640 µs
Table 18. Single channel throughput rate specifications
A/D data rate Maximum throughput (Hz)
3750 S/s 1102.94
2000 S/s 877.19
1000 S/s 609.76
500 S/s 378.79
100 S/s 93.98
60 S/s 57.78
50 S/s 48.45
25 S/s 24.61
10 S/s 9.94
5 S/s 4.98
2.5 S/s 2.50
The multiple-channel throughput rate is calculated using this formula:
Maximum throughput
=
1
� �
1
datarate
+640 µs�
n
where n is the number of channels.
Table 19. Multiple-channel throughput rate specifications (Hz)
Number
of input
channels
3750 S/s 2000 S/s 1000 S/s 500 S/s 100 S/s 60 S/s 50 S/s 25 S/s 10 S/s 5 S/s 2.5 S/s
1 1102.94 877.19 609.76 378.79 93.98 57.78 48.45 24.61 9.94 4.98 2.50
2 551.47 438.60 304.88 189.39 46.99 28.89 24.22 12.30 4.97 2.49 1.25
3 367.65 292.40 203.25 126.26 31.33 19.26 16.15 8.20 3.31 1.66 0.83
4 275.74 219.30 152.44 94.70 23.50 14.45 12.11 6.15 2.48 1.25 0.62
5 220.59 175.44 121.95 75.76 18.80 11.56 9.69 4.92 1.99 1.00 0.50
6 183.82 146.20 101.63 63.13 15.66 9.63 8.07 4.10 1.66 0.83 0.42
7 157.56 125.31 87.11 54.11 13.43 8.25 6.92 3.52 1.42 0.71 0.36
8 137.87 109.65 76.22 47.35 11.75 7.22 6.06 3.08 1.24 0.62 0.31
9 122.55 97.47 67.75 42.09 10.44 6.42 5.38 2.73 1.10 0.55 0.28
10 110.29 87.72 60.98 37.88 9.40 5.78 4.84 2.46 0.99 0.50 0.25
11 100.27 79.74 55.43 34.44 8.54 5.25 4.40 2.24 0.90 0.45 0.23
12 91.91 73.10 50.81 31.57 7.83 4.82 4.04 2.05 0.83 0.42 0.21
13 84.84 67.48 46.90 29.14 7.23 4.44 3.73 1.89 0.76 0.38 0.19
14 78.78 62.66 43.55 27.06 6.71 4.13 3.46 1.76 0.71 0.36 0.18
15 73.53 58.48 40.65 25.25 6.27 3.85 3.23 1.64 0.66 0.33 0.17
16 68.93 54.82 38.11 23.67 5.87 3.61 3.03 1.54 0.62 0.31 0.16