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AD4134 데이터시트(PDF) 32 Page - Analog Devices

부품명 AD4134
상세설명  24-Bit, 4-Channel Simultaneous Sampling 1.5 MSPS Precision Alias Free ADC
PDF  92 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD4134 데이터시트(HTML) 32 Page - Analog Devices

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Data Sheet
AD4134
NOISE PERFORMANCE AND RESOLUTION
analog.com
Rev. 0 | 32 of 92
Table 9 to Table 16 contain the data of the noise performance for
the wideband 0.433 × ODR filter, wideband 0.10825 × ODR filter,
sinc6 filter, and the sinc3 digital filter of the AD4134 for various
output data rates and channel averaging settings. The noise values
and dynamic range specified are typical for the bipolar input range
with an external 4.096 V reference (VREF).
The rms noise is measured with shorted analog inputs. The dynam-
ic range is calculated as
Dynamic Range (dB) = 20log10((2 × VREF/2√2)/(RMS Noise)
The LSB size is calculated as follows:
LSB Size = (2 × VREF)/224
where LSB Size is 488 nV with a 4.096 V reference.
Table 9. Wideband 0.433 × ODR Filter, High Performance Mode Noise Performance vs. Output Data Rate (VREF = 4.096 V)
Output Data Rate
(kSPS)
−3 dB Bandwidth (kHz)
Single Channel
2:1 Channel Averaging
4:1 Channel Averaging
Dynamic Range
(dB)
RMS Noise
(µV)
Dynamic Range
(dB)
RMS Noise
(µV)
Dynamic Range
(dB)
RMS Noise (µV)
374
161.94
107.21
12.63
110.46
8.68
113.46
6.15
325
140.73
108.09
11.41
111.21
7.96
114.25
5.61
285
123.41
108.65
10.69
111.81
7.43
114.8
5.27
256
110.85
109.21
10.03
112.5
6.87
115.26
4.99
235
101.76
109.71
9.47
112.79
6.63
115.85
4.67
200
86.60
110.58
8.57
113.63
6.02
116.57
4.29
175
75.78
111.12
8.05
114.27
5.6
117.25
3.97
128
55.42
112.72
6.70
115.66
4.77
118.68
3.37
100
43.30
113.71
5.97
116.81
4.17
119.83
2.95
80
34.64
114.80
5.27
117.9
3.68
120.78
2.64
64
27.71
115.83
4.68
118.87
3.29
121.87
2.33
32
13.86
118.91
3.28
121.82
2.34
124.89
1.65
16
6.93
121.94
2.32
124.81
1.66
127.8
1.17
10
4.33
123.80
1.87
126.67
1.34
129.76
0.94
5
2.17
126.68
1.34
129.55
0.96
132.34
0.69
2.5
1.08
129.36
0.99
132.32
0.7
135.08
0.51
Table 10. Wideband 0.433 × ODR Filter, Low Power Mode Noise Performance vs. Output Data Rate (VREF = 4.096 V)
Output Data Rate
(kSPS)
−3 dB Bandwidth (kHz)
Single Channel
2:1 Channel Averaging
4:1 Channel Averaging
Dynamic Range
(dB)
RMS Noise
(µV)
Dynamic Range
(dB)
RMS Noise
(µV)
Dynamic Range
(dB)
RMS Noise (µV)
374
161.94
100.42
27.61
103.41
19.55
106.33
13.96
325
140.73
102.03
22.93
105.04
16.21
107.96
11.57
285
123.41
103.21
20.01
106.37
13.9
109.21
10.03
256
110.85
104.08
18.10
107.12
12.75
110.12
9.03
235
101.76
104.67
16.91
107.89
11.68
110.64
8.50
200
86.60
105.80
14.85
108.97
10.31
111.76
7.47
175
75.78
106.64
13.48
109.79
9.37
112.55
6.82
128
55.42
108.29
11.15
111.32
7.87
114.31
5.57
100
43.30
109.49
9.71
112.55
6.83
115.51
4.85
80
34.64
110.58
8.57
113.54
6.09
116.47
4.34
64
27.71
111.63
7.59
114.68
5.34
117.61
3.81
32
13.86
114.72
5.32
117.75
3.75
120.64
2.68
16
6.93
117.69
3.78
120.78
2.64
123.71
1.88
10
4.33
119.73
2.99
122.72
2.11
125.76
1.49
5
2.17
122.79
2.10
125.66
1.50
128.61
1.07
2.5
1.08
125.64
1.51
128.58
1.07
131.48
0.77



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