參數(shù)資料
型號: EVAL-AD7718EB
廠商: Analog Devices, Inc.
英文描述: 8-/10-Channel, Low Voltage, Low Power, ADCs
中文描述: 8-/10-Channel,低電壓,低功耗,ADC的
文件頁數(shù): 21/44頁
文件大小: 339K
代理商: EVAL-AD7718EB
REV. 0
AD7708/AD7718
–21–
Table VII. Typical Output RMS Noise vs. Input Range and Update Rate for AD7718 with Chop Disabled (
CHOP
= 1);
Output RMS Noise in V
SF
Word
Data Update
Rate (Hz)
Input Range
160 mV
20 mV
40 mV
80 mV
320 mV
640 mV
1.28 V
2.56 V
03
13
66
69
81
255
1365.33
315.08
62.06
59.38
50.57
16.06
30.31
2.47
0.743
0.961
0.894
0.475
29.02
2.49
0.852
0.971
0.872
0.468
58.33
2.37
0.9183
0.949
0.872
0.434
112.7
3.87
0.8788
0.922
0.806
0.485
282.44
7.18
0.8795
0.923
0.793
0.458
361.72
12.61
1.29
1.32
1.34
0.688
616.89
16.65
1.99
2.03
2.18
1.18
1660
32.45
3.59
3.73
2.96
1.78
Table VIII. Peak-to-Peak Resolution vs. Input Range and Update Rate for AD7718 with Chop Disabled (
CHOP
= 1);
Peak-to-Peak Resolution in Bits
SF
Word
Data Update
Rate (Hz)
Input Range
160 mV
20 mV
40 mV
80 mV
320 mV
640 mV
1.28 V
2.56 V
03
13
66
69
81
255
1365.33
315.08
62.06
59.36
50.57
16.06
8
11
13
13
13
14
9
12
14
14
14
15
9
14
15
15
15
16
9
14
16
16
16
17
9
14
17
17
17
18
9
14
17
17
17
18
9
15
18
18
18
19
9
15
18
18
18
19
Table IX. Typical Output RMS Noise vs. Input Range and Update Rate for AD7708 with Chop Disabled (
CHOP
= 1);
Output RMS Noise in V
SF
Word
Data Update
Rate (Hz)
Input Range
160 mV
20 mV
40 mV
80 mV
320 mV
640 mV
1.28 V
2.56 V
03
13
66
69
81
255
1365.33
315.08
62.06
59.38
50.57
16.06
30.31
2.47
0.743
0.961
0.894
0.475
29.02
2.49
0.852
0.971
0.872
0.468
58.33
2.37
0.9183
0.949
0.872
0.434
112.7
3.87
0.8788
0.922
0.806
0.485
282.44
7.18
0.8795
0.923
0.793
0.458
361.72
12.61
1.29
1.32
1.34
0.688
616.89
16.65
1.99
2.03
2.18
1.18
1660
32.45
3.59
3.73
2.96
1.78
Table X. Peak-to-Peak Resolution vs. Input Range and Update Rate for AD7708 with Chop Disabled (
CHOP
= 1);
Peak-to-Peak Resolution in Bits
SF
Word
Data Update
Rate (Hz)
Input Range
160 mV
20 mV
40 mV
80 mV
320 mV
640 mV
1.28 V
2.56 V
03
13
66
69
81
255
1365.33
315.08
62.06
59.36
50.57
16.06
8
11
13
13
13
14
9
12
14
14
14
15
9
14
15
15
15
16
9
14
16
16
16
16
9
14
16
16
16
16
9
14
16
16
16
16
9
15
16
16
16
16
9
15
16
16
16
16
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