
8
FN4138.8
June 1, 2006
TABLE 1. NOISE PERFORMANCE WITH INPUT CONNECTED TO ANALOG GROUND
HERTZ
SNR
ENOB
P-P NOISE
(
μV)
RMS NOISE
(
μV)
HERTZ
SNR
ENOB
P-P NOISE
(
μV)
RMS NOISE
(
μV)
GAIN = 1
GAIN = 16
10
132.3
21.7
9.8
1.5
10
120.1
19.7
39.8
6.0
25
129.5
21.2
13.6
2.1
25
114.8
18.8
73.4
11.1
30
127.7
20.9
16.6
2.5
30
113.5
18.6
85.1
12.9
50
126.3
20.7
19.5
3.0
50
111.0
18.1
114.4
17.3
60
125.6
20.6
21.2
3.2
60
109.6
17.9
134.0
20.3
100
122.4
20.0
30.7
4.6
100
105.5
17.2
214.8
32.5
250
107.7
17.6
166.7
25.3
250
95.2
15.5
699.1
105.9
500
98.1
16.0
505.3
76.6
500
89.1
14.5
1417.7
214.8
1000
85.7
13.9
2101.8
318.5
1000
83.5
13.6
2686.0
407.0
2000
68.8
11.1
14661.6
2221.4
2000
62.6
10.1
30110.0
4562.1
GAIN = 2
GAIN = 32
10
129.2
21.2
14.0
2.1
10
113.2
18.5
88.8
13.5
25
125.7
20.6
20.9
3.2
25
109.0
17.8
142.7
21.6
30
124.5
20.4
24.1
3.7
30
108.2
17.7
157.4
23.8
50
123.4
20.2
27.3
4.1
50
104.7
17.1
235.8
35.7
60
122.5
20.1
30.3
4.6
60
105.0
17.1
227.8
34.5
100
118.1
19.3
50.0
7.6
100
102.3
16.7
310.5
47.0
250
106.1
17.3
199.5
30.2
250
93.4
15.2
861.1
130.5
500
96.9
15.8
580.1
87.9
500
87.1
14.2
1782.7
270.1
1000
84.4
13.7
2435.6
369.0
1000
78.2
12.7
4990.4
756.1
2000
67.8
11.0
16469.7
2495.4
2000
57.0
9.2
57311.1
8683.5
GAIN = 4
GAIN = 64
10
125.9
20.6
20.5
3.1
10
106.7
17.4
186.2
28.2
25
123.1
20.1
28.4
4.3
25
102.9
16.8
288.4
43.7
30
121.8
19.9
32.8
5.0
30
101.9
16.6
325.8
49.4
50
119.9
19.6
40.9
6.2
50
98.5
16.1
479.8
72.7
60
119.9
19.6
40.9
6.2
60
98.9
16.1
459.8
69.7
100
116.1
19.0
63.2
9.6
100
96.3
15.7
620.2
94.0
250
105.7
17.3
209.7
31.8
250
85.5
13.9
2133.5
323.3
500
96.6
15.8
597.8
90.6
500
78.1
12.7
5025.0
761.4
1000
84.3
13.7
2469.5
374.2
1000
66.7
10.8
18693.5
2832.3
2000
68.2
11.0
15656.1
2372.1
2000
50.5
8.1
120163.0
18206.5
GAIN = 8
GAIN = 128
10
124.7
20.4
23.4
3.5
10
101.1
16.5
356.5
54.0
25
120.6
19.7
37.8
5.7
25
96.0
15.7
638.3
96.7
30
119.2
19.5
44.3
6.7
30
95.2
15.5
704.8
106.8
50
117.5
19.2
53.8
8.2
50
93.2
15.2
882.2
133.7
60
116.8
19.1
58.6
8.9
60
92.2
15.0
996.7
151.0
100
112.1
18.3
100.0
15.2
100
91.4
14.9
1086.6
164.6
250
101.4
16.5
345.2
52.3
250
79.4
12.9
4346.4
658.5
500
95.3
15.5
691.1
104.7
500
71.8
11.6
10439.2
1581.7
1000
83.1
13.5
2838.6
430.1
1000
60.1
9.7
39923.0
6048.9
2000
68.3
11.1
15494.7
2347.7
2000
44.8
7.1
233238.2
35339.1
HI7191