参数资料
型号: AD7606BSTZ-4RL
厂商: Analog Devices Inc
文件页数: 24/36页
文件大小: 0K
描述: IC DAS W/ADC 16BIT 64LQFP
设计资源: Layout Considerations for an Expandable Multichannel Simultaneous Sampling Data Acquisition System Based on AD7606 (CN0148)
标准包装: 1
类型: 数据采集系统(DAS),ADC
分辨率(位): 16 b
采样率(每秒): 200k
数据接口: DSP,MICROWIRE?,并联,QSPI?,串行,SPI?
电压电源: 模拟和数字
电源电压: 2.3 V ~ 5.25 V,4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 标准包装
其它名称: AD7606BSTZ-4RLDKR
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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