參數(shù)資料
型號: EVAL-AD7708EB
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): 18/44頁
文件大小: 339K
代理商: EVAL-AD7708EB
REV. 0
–18–
AD7708/AD7718
Table II. Typical Output RMS Noise vs. Input Range and Update Rate for AD7718 with Chop Enabled (
CHOP
= 0);
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
13
23
27
69
255
105.3
59.36
50.56
19.79
5.35
1.50
1.0
0.95
0.60
0.35
1.50
1.02
0.95
0.65
0.35
1.60
1.06
0.98
0.65
0.37
1.75
1.15
1.00
0.65
0.37
3.50
1.22
1.10
0.65
0.37
4.50
1.77
1.66
0.95
0.51
6.70
3.0
11.75
5.08
5.0
2.30
1.25
1.40
0.82
Table III. Peak-to-Peak Resolution vs. Input Range and Update Rate for AD7718 with Chop Enabled (
CHOP
= 0);
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
13
23
27
69
255
105.3
59.36
50.56
19.79
5.35
12
12.5
12.5
13
14
13
13.5
13.5
14
15
14
14.5
14.5
15
16
15
15
15.5
16
17
15
16
16.5
17
18
15.5
17
17
17.5
18.5
16
17
17
18
18.8
16
17
17
18.5
19.2
Table IV. Typical Output RMS Noise vs. Input Range and Update Rate for AD7708 with Chop Enabled (
CHOP
= 0);
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
13
23
27
69
255
105.3
59.36
50.56
19.79
5.35
1.50
1.0
0.95
0.60
0.35
1.50
1.02
0.95
0.65
0.35
1.60
1.06
0.98
0.65
0.37
1.75
1.15
1.00
0.65
0.37
3.50
1.22
1.10
0.65
0.37
4.50
1.77
1.66
0.95
0.51
6.70
3.0
11.75
5.08
5.0
2.30
1.25
1.40
0.82
Table V. Peak-to-Peak Resolution vs. Input Range and Update Rate for AD7708 with Chop Enabled (
CHOP
= 0);
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
13
23
27
69
255
105.3
59.35
50.56
19.79
5.35
12
12.5
12.5
13
14
13
13.5
13.5
14
15
14
14.5
14.5
15
16
15
15
15.5
16
16
15
16
16
16
16
15.5
16
16
16
16
16
16
16
16
16
16
16
16
16
16
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