參數資料
型號： AMC1210
英文描述： Quad Digital Filter for 2nd-Order Delta-Sigma Modulator
中文描述： 四數字濾波器2階Δ-Σ調制器
文件頁數： 18/47頁
文件大?。?/td> 805K
代理商： AMC1210
www.ti.com
R
100000
10000
1000
100
10
1
0
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30 32
Oversampling Ratio
Sinc
1
Sinc
2
Sinc
3
Sincfast
Sinc Filter Unit
The AMC1210 utilizes a standard integration/decimation/differentiation scheme to achieve the sinc filter. It can
be configured as a Sinc
1
, Sinc
2
, Sinc
3
or Sincfast filter with oversampling ratios (OSRs) continuously between 1
and 256.
Figure 15
illustrates the frequency response of each type of filter.
SINC FILTER RESPONSE
(1)
Frequency (Hz)
0
-
20
-
40
-
60
-
80
-
100
-
120
0
625k
312.5k
937.5k
1562.5k
G
SINC FILTER RESPONSE
(1)
Frequency (Hz)
0
-
20
-
40
-
60
-
80
-
100
-
120
0
625k
312.5k
937.5k
1562.5k
G
SINCFAST FILTER RESPONSE
(1)
Frequency (Hz)
0
-
20
-
40
-
60
-
80
-
100
-
120
0
625k
312.5k
937.5k
1562.5k
G
SINC
1
FILTER RESPONSE
(1)
Frequency (Hz)
0
-
20
-
40
-
60
-
80
-
100
-
120
0
625k
312.5k
937.5k
1562.5k
G
NOTE: (1)
312.5kHz =
f
=
DATA
f
OSR
CLK
=
10MHz
32
AMC1210
SBAS372A–APRIL 2006–REVISED OCTOBER 2006
Figure 14. Comparator Filter Resolution
The maximum resolution yields the peak values in
Table 9
(15 bits binary, 32,768 decimal). Note that in order to
achieve the maximum value, the delta-sigma modulator is operated at absolute maximum positive or negative
full-scale, which is outside of the recommended full-scale range of 80% of most delta-sigma modulators.
Figure 15. AMC1210 Frequency Responses with Various Sinc Filters
18
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相關PDF資料
PDF描述
AMC1210IRHAR Quad Digital Filter for 2nd-Order Delta-Sigma Modulator
AMC1210IRHARG4 Quad Digital Filter for 2nd-Order Delta-Sigma Modulator
AMC1210IRHAT Quad Digital Filter for 2nd-Order Delta-Sigma Modulator
AMC1210IRHATG4 Quad Digital Filter for 2nd-Order Delta-Sigma Modulator
AMC142SMA Industrial Control IC
相關代理商/技術參數
參數描述
AMC1210EVM 功能描述:有源濾波器開發(fā)工具 DATA CONVERTER RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 工具用于評估:MAX7408-MAX7415, MAX7418-MAX7425 截止頻率:1 Hz to 15 kHz 工作電源電壓:3 V, 5 V
AMC1210IRHAR 功能描述:有源濾波器 4Ch Dig Filter RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
AMC1210IRHARG4 功能描述:有源濾波器 4Ch Dig Filter RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
AMC1210IRHAT 功能描述:有源濾波器 4 Ch Dig Filter for ADS120X RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
AMC1210IRHATG4 功能描述:有源濾波器 4Ch Dig Filter RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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