參數(shù)資料
型號: AD7606BSTZ
廠商: Analog Devices Inc
文件頁數(shù): 25/36頁
文件大?。?/td> 0K
描述: IC DAS W/ADC 16BIT 8CH 64LQFP
設(shè)計資源: Layout Considerations for an Expandable Multichannel Simultaneous Sampling Data Acquisition System Based on AD7606 (CN0148)
標準包裝: 1
類型: 數(shù)據(jù)采集系統(tǒng)(DAS),ADC
分辨率(位): 16 b
采樣率(每秒): 200k
數(shù)據(jù)接口: DSP,MICROWIRE?,并聯(lián),QSPI?,串行,SPI?
電壓電源: 模擬和數(shù)字
電源電壓: 2.3 V ~ 5.25 V,4.75 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 托盤
Data Sheet
AD7606/AD7606-6/AD7606-4
Rev. C | Page 31 of 36
When the oversampling mode is selected for the AD7606/
AD7606-6/AD7606-4, it has the effect of adding a digital filter
function after the ADC. The different oversampling rates and
the CONVST sampling frequency produce different digital filter
frequency profiles.
Figure 56 to Figure 61 show the digital filter frequency profiles for
the different oversampling rates. The combination of the analog
antialiasing filter and the oversampling digital filter can be used
to eliminate and reduce the complexity of the design of any filter
before the AD7606/AD7606-6/AD7606-4. The digital filtering
combines steep roll-off and linear phase response.
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1k
10k
100k
10M
1M
–90
AT
T
E
NUAT
IO
N
(
d
B)
FREQUENCY (Hz)
08479-
051
AVCC = 5V
VDRIVE = 5V
TA = 25°C
10V RANGE
OS BY 2
Figure 56. Digital Filter Response for OS 2
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1k
10k
100k
10M
1M
–100
–90
AT
T
E
NUAT
IO
N
(
d
B)
FREQUENCY (Hz)
08479-
052
AVCC = 5V
VDRIVE = 5V
TA = 25°C
10V RANGE
OS BY 4
Figure 57. Digital Filter Response for OS 4
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1k
10k
100k
10M
1M
–100
–90
AT
T
E
NUAT
IO
N
(
d
B)
FREQUENCY (Hz)
08479-
053
AVCC = 5V
VDRIVE = 5V
TA = 25°C
10V RANGE
OS BY 8
Figure 58. Digital Filter Response for OS 8
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1k
10k
100k
10M
1M
–100
–90
AT
T
E
NUAT
IO
N
(
d
B)
FREQUENCY (Hz)
08479-
154
AVCC = 5V
VDRIVE = 5V
TA = 25°C
10V RANGE
OS BY 16
Figure 59. Digital Filter Response for OS 16
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1k
10k
100k
10M
1M
–100
–90
AT
T
E
NUAT
IO
N
(
d
B)
FREQUENCY (Hz)
08479-
155
AVCC = 5V
VDRIVE = 5V
TA = 25°C
10V RANGE
OS BY 32
Figure 60. Digital Filter Response for OS 32
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1k
10k
100k
10M
1M
–100
–90
AT
T
E
NUAT
IO
N
(
d
B)
FREQUENCY (Hz)
08479-
156
AVCC = 5V
VDRIVE = 5V
TA = 25°C
10V RANGE
OS BY 64
Figure 61. Digital Filter Response for OS 64
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