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ADFS7124-8BBCPZ датащи(PDF) 31 Page - Analog Devices

номер детали ADFS7124-8BBCPZ
подробное описание детали  8-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference
PDF  93 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADFS7124-8BBCPZ датащи(HTML) 31 Page - Analog Devices

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Data Sheet
ADFS7124-8
RMS NOISE AND RESOLUTION
analog.com
Rev. 0 | 31 of 93
Sinc3
Table 19. RMS Noise (Peak-to-Peak Noise) vs. Gain and Output Data Rate (µV), Mid Power Mode
Filter
Word
(Dec.)
Output
Data
Rate
(SPS)
Output Data
Rate (Zero
Latency Mode)
(SPS)
f3dB
(Hz)
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 16
Gain = 32
Gain = 64
Gain = 128
2047
2.34
0.78
0.64
0.25 (1.5)
0.17 (1)
0.087 (0.58) 0.065 (0.4)
0.049 (0.27)
0.034 (0.19)
0.03 (0.16)
0.022 (0.11)
960
5
1.67
1.36
0.35 (2.2)
0.23 (1.3)
0.14 (0.82)
0.1 (0.58)
0.074 (0.43)
0.053 (0.31)
0.041 (0.22)
0.034 (0.17)
480
10
3.33
2.72
0.5 (3.1)
0.31 (1.9)
0.19 (1.3)
0.14 (0.89)
0.1 (0.63)
0.075 (0.44)
0.6 (0.35)
0.049 (0.28)
320
15
5
4.08
0.6 (3.8)
0.38 (2.4)
0.24 (1.6)
0.17 (1.1)
0.13 (0.8)
0.089 (0.54)
0.076 (0.46)
0.062 (0.35)
160
30
10
8.16
0.83 (5.6)
0.54 (3.3)
0.34 (2.2)
0.24 (1.6)
0.18 (1.1)
0.13 (0.77)
0.1 (0.65)
0.088 (0.53)
96
50
16.67
13.6
1.1 (7.5)
0.72 (4.4)
0.44 (2.9)
0.31 (2)
0.24 (1.5)
0.17 (1)
0.14 (0.82)
0.11 (0.7)
80
60
20
16.32
1.2 (7.7)
0.8 (4.8)
0.48 (3.1)
0.35 (2.2)
0.25 (1.6)
0.18 (1.1)
0.15 (0.94)
0.12 (0.77)
40
120
40
32.64
1.7 (11)
1.1 (7)
0.7 (4.6)
0.47 (3.2)
0.36 (2.2)
0.26 (1.7)
0.21 (1.5)
0.18 (1.1)
20
240
80
65.28
2.5 (16)
1.6 (9.7)
0.94 (6.2)
0.7 (5)
0.53 (3.2)
0.37 (2.3)
0.31 (2.1)
0.26 (1.8)
10
480
160
130.6
3.5 (24)
2.2 (15)
1.4 (9.3)
1 (7)
0.78 (5.3)
0.56 (3.9)
0.46 (3.1)
0.38 (2.5)
5
960
320
261.1
6.7 (53)
4.1 (34)
2.5 (19)
1.8 (14)
1.2 (8.7)
0.84 (6.4)
0.67 (5)
0.57 (3.9)
3
1600
533.33
435.2
25 (170)
13 (90)
7.1 (53)
4.2 (30)
2.4 (18)
1.5 (11)
1.1 (7.8)
0.89 (6.8)
2
2400
800
652.8
110 (740)
54 (360)
27 (200)
14 (110)
7.4 (51)
3.9 (29)
2.3 (16)
1.6 (12)
1
4800
1600
1306
880 (5800)
430 (3100)
220 (1500)
110 (760)
55 (400)
27 (180)
14 (110)
7.5 (56)
Table 20. Effective Resolution (Peak-to-Peak Resolution) vs. Gain and Output Data Rate (Bits), Mid Power Mode
Filter
Word
(Dec.)
Output
Data Rate
(SPS)
Output Data
Rate (Zero
Latency Mode)
(SPS)
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 16
Gain = 32
Gain = 64
Gain = 128
2047
2.34
0.78
24 (21.7)
23.8 (21.2)
23.6 (21)
23.2 (20.6)
22.6 (20.1)
22.1 (19.6)
21.3 (18.9)
20.7 (18.4)
960
5
1.67
23.8 (21.1)
23.4 (20.8)
23.1 (20.5)
22.6 (20)
22 (19.5)
21.5 19)
20.8 (18.4)
20.1 (17.8)
480
10
3.33
23.3 (20.6)
22.9 (20.3)
22.6 (19.9)
22.1 (19.4)
21.5 (18.9)
21 (18.4)
20.3 (17.8)
19.6 (17.1)
320
15
5
23 (20.3)
22.6 (20)
22.3 (19.6)
21.8 (19.1)
21.2 (18.6)
20.7 (18.1)
20 (17.4)
19.3 (16.8)
160
30
10
22.5 (19.8)
22.1 (19.5)
21.8 (19.1)
21.3 (18.6)
20.7 (18.1)
20.2 (17.6)
19.5 (16.9)
18.8 (16.2)
96
50
16.67
22.1 (19.4)
21.7 (19.1)
21.4 (18.7)
20.9 (18.2)
20.3 (17.7)
19.8 (17.2)
19.1 (16.5)
18.4 (15.8)
80
60
20
22 (19.3)
21.6 (19)
21.3 (18.6)
20.8 (18.1)
20.2 (17.6)
19.7 (17.1)
19.1 (16.3)
18.3 (15.6)
40
120
40
21.5 (18.8)
21.1 (18.5)
20.8 (18.1)
20.3 (17.6)
19.7 (17.1)
19.2 (16.5)
18.5 (15.7)
17.7 (15.1)
20
240
80
21 (18.3)
20.6 (18)
20.3 (17.6)
19.8 (17)
19.2 (16.6)
18.7 (16)
18 (15.2)
17.2 (14.4)
10
480
160
20.4 (17.7)
20.1 (17.3)
19.8 (17)
19.2 (16.4)
18.6 (15.9)
18.1 (15.3)
17.4 (14.6)
16.7 (13.9)
5
960
320
19.5 (16.5)
19.2 (16.2)
19 (16)
18.4 (15.4)
18 (15.1)
17.5 (14.6)
16.8 (13.9)
16.1 (13.3)
3
1600
533.33
17.6 (14.8)
17.5 (14.8)
17.4 (14.5)
17.2 (14.3)
17 (14.1)
16.7 (13.8)
16.1 (13.3)
15.4 (12.6)
2
2400
800
15.5 (12.7)
15.5 (12.7)
15.5 (12.6)
15.4 (12.6)
15.4 (12.6)
15.3 (12.4)
15 (12.3)
14.6 (11.7)
1
4800
1600
12.5 (9.7)
12.5 (9.7)
12.5 (9.7)
12.5 (9.7)
12.5 (9.6)
12.5 (9.6)
12.4 (9.5)
12.4 (9.4)
Post Filters
Table 21. RMS Noise (Peak-to-Peak Noise) vs. Gain and Output Data Rate (µV), Mid Power Mode
Output Data Rate (SPS)
Gain = 1
Gain = 2
Gain = 4
Gain = 8
Gain = 16
Gain = 32
Gain = 64
Gain = 128
16.67
1.1 (6.3)
0.69 (4)
0.41 (2.5)
0.31 (2)
0.23 (1.4)
0.17 (0.96)
0.13 (0.79)
0.11 (0.61)
20
1.1 (6.9)
0.7 (4)
0.41 (2.5)
0.33 (2.1)
0.23 (1.5)
0.18 (0.96)
0.14 (0.81)
0.12 (0.67)
25
1.2 (8)
0.8 (4.6)
0.46 (2.8)
0.36 (2.3)
0.25 (1.5)
0.17 (1)
0.15 (0.9)
0.12 (0.74)
27.27
1.3 (9.2)
0.82 (4.8)
0.48 (2.8)
0.36 (2.3)
0.28 (1.6)
0.19 (1.1)
0.16 (1)
0.13 (0.79)



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