HI7191(1998) データシートの表示（PDF） - Intersil
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HI7191 Datasheet PDF : 24 Pages
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HERTZ
GAIN = 1
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2000
GAIN = 2
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GAIN = 4
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GAIN = 8
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HI7191
TABLE 1. NOISE PERFORMANCE WITH INPUT CONNECTED TO ANALOG GROUND
SNR
P-P NOISE RMS NOISE
ENOB
(µV)
(µV)
HERTZ
GAIN = 16
SNR
P-P NOISE RMS NOISE
ENOB
(µV)
(µV)
132.3
129.5
127.7
126.3
125.6
122.4
107.7
98.1
85.7
68.8
21.7
9.8
1.5
21.2
13.6
2.1
20.9
16.6
2.5
20.7
19.5
3.0
20.6
21.2
3.2
20.0
30.7
4.6
17.6
166.7
25.3
16.0
505.3
76.6
13.9
2101.8
318.5
11.1
14661.6
2221.4
10
25
30
50
60
100
250
500
1000
2000
GAIN = 32
120.1
114.8
113.5
111.0
109.6
105.5
95.2
89.1
83.5
62.6
19.7
39.8
6.0
18.8
73.4
11.1
18.6
85.1
12.9
18.1
114.4
17.3
17.9
134.0
20.3
17.2
214.8
32.5
15.5
699.1
105.9
14.5
1417.7
214.8
13.6
2686.0
407.0
10.1
30110.0
4562.1
129.2
125.7
124.5
123.4
122.5
118.1
106.1
96.9
84.4
67.8
21.2
14.0
2.1
20.6
20.9
3.2
20.4
24.1
3.7
20.2
27.3
4.1
20.1
30.3
4.6
19.3
50.0
7.6
17.3
199.5
30.2
15.8
580.1
87.9
13.7
2435.6
369.0
11.0
16469.7
2495.4
10
25
30
50
60
100
250
500
1000
2000
GAIN = 64
113.2
109.0
108.2
104.7
105.0
102.3
93.4
87.1
78.2
57.0
18.5
88.8
13.5
17.8
142.7
21.6
17.7
157.4
23.8
17.1
235.8
35.7
17.1
227.8
34.5
16.7
310.5
47.0
15.2
861.1
130.5
14.2
1782.7
270.1
12.7
4990.4
756.1
9.2
57311.1
8683.5
125.9
123.1
121.8
119.9
119.9
116.1
105.7
96.6
84.3
68.2
20.6
20.5
3.1
20.1
28.4
4.3
19.9
32.8
5.0
19.6
40.9
6.2
19.6
40.9
6.2
19.0
63.2
9.6
17.3
209.7
31.8
15.8
597.8
90.6
13.7
2469.5
374.2
11.0
15656.1
2372.1
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30
50
60
100
250
500
1000
2000
GAIN = 128
106.7
102.9
101.9
98.5
98.9
96.3
85.5
78.1
66.7
50.5
17.4
186.2
28.2
16.8
288.4
43.7
16.6
325.8
49.4
16.1
479.8
72.7
16.1
459.8
69.7
15.7
620.2
94.0
13.9
2133.5
323.3
12.7
5025.0
761.4
10.8
18693.5
2832.3
8.1
120163.0 18206.5
124.7
120.6
119.2
117.5
116.8
112.1
101.4
95.3
83.1
68.3
20.4
23.4
3.5
19.7
37.8
5.7
19.5
44.3
6.7
19.2
53.8
8.2
19.1
58.6
8.9
18.3
100.0
15.2
16.5
345.2
52.3
15.5
691.1
104.7
13.5
2838.6
430.1
11.1
15494.7
2347.7
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250
500
1000
2000
101.1
96.0
95.2
93.2
92.2
91.4
79.4
71.8
60.1
44.8
16.5
356.5
54.0
15.7
638.3
96.7
15.5
704.8
106.8
15.2
882.2
133.7
15.0
996.7
151.0
14.9
1086.6
164.6
12.9
4346.4
658.5
11.6
10439.2
1581.7
9.7
39923.0
6048.9
7.1
233238.2 35339.1
1903
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