參數(shù)資料
型號(hào): EVAL-AD7606-6EDZ
廠商: Analog Devices Inc
文件頁數(shù): 24/36頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR AD7606
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 200k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
在以下條件下的電源(標(biāo)準(zhǔn)): 90mW @ 200kSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7606-6
已供物品:
AD7606/AD7606-6/AD7606-4
Data Sheet
Rev. C | Page 30 of 36
Figure 49 to Figure 55 illustrate the effect of oversampling on
the code spread in a dc histogram plot. As the oversample rate
is increased, the spread of the codes is reduced.
1000
0
100
200
300
400
500
600
700
800
900
NUM
BE
R
O
F
O
CCURE
NCE
S
CODE (LSB)
–3
–2
–1
0
1
928
887
3
0
3
2
131
97
08479-
047
NO OVERSAMPLING
FSAMPLE = 200kSPS
AVCC = 5V
VDRIVE = 2.5V
Figure 49. Histogram of Codes—No OS (Six Codes)
1400
0
200
400
600
1000
1200
800
NUM
BE
R
O
F
O
CCURE
NCE
S
CODE (LSB)
–3
–2
–1
0
1
3
0
2
16
08479-
048
OVERSAMPLING BY 2
FSAMPLE = 100kSPS
AVCC = 5V
VDRIVE = 2.5V
80
804
1148
Figure 50. Histogram of Codes—OS × 2 (Four Codes)
1400
0
200
400
600
1000
1200
800
NUM
BE
R
O
F
O
CCURE
NCE
S
CODE (LSB)
–3
–2
–1
0
1
3
0
2
3
08479-
049
OVERSAMPLING BY 4
FSAMPLE = 50kSPS
AVCC = 5V
VDRIVE = 2.5V
19
764
1262
Figure 51. Histogram of Codes—OS × 4 (Four Codes)
1400
0
200
400
600
1000
1200
800
NUM
BE
R
O
F
O
CCURE
NCE
S
CODE (LSB)
–3
–2
–1
0
1
3
0
2
0
08479-
050
OVERSAMPLING BY 8
FSAMPLE = 25kSPS
AVCC = 5V
VDRIVE = 2.5V
2
783
1263
Figure 52. Histogram of Codes—OS × 8 (Three Codes)
1400
0
200
400
600
1000
1200
800
NUM
BE
R
O
F
O
CCURE
NCE
S
CODE (LSB)
–3
–2
–1
0
1
3
0
2
0
08479-
151
OVERSAMPLING BY 16
FSAMPLE = 12.5kSPS
AVCC = 5V
VDRIVE = 2.5V
0
595
1453
Figure 53. Histogram of Codes—OS × 16 (Two Codes)
1600
1400
0
200
400
600
1000
1200
800
NUM
BE
R
O
F
O
CCURE
NCE
S
CODE (LSB)
–3
–2
–1
0
1
3
0
2
0
08479-
152
OVERSAMPLING BY 32
FSAMPLE = 6.125kSPS
AVCC = 5V
VDRIVE = 2.5V
0
631
1417
Figure 54. Histogram of Codes—OS × 32 (Two Codes)
1600
1400
0
200
400
600
1000
1200
800
NUM
BE
R
O
F
O
CCURE
NCE
S
CODE (LSB)
–3
–2
–1
0
1
3
0
2
0
08479-
153
OVERSAMPLING BY 64
FSAMPLE = 3kSPS
AVCC = 5V
VDRIVE = 2.5V
0
1679
369
Figure 55. Histogram of Codes—OS × 64 (Two Codes)
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