参数资料
型号: AD7606BSTZ-4RL
厂商: Analog Devices Inc
文件页数: 11/36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
Data Sheet
AD7606/AD7606-6/AD7606-4
Rev. C | Page 19 of 36
4
3
2
1
0
–1
–2
–3
–40
–25
–10
5
20
35
50
65
80
–4
BI
P
O
L
AR
Z
E
RO
CO
DE
E
RRO
R
M
AT
CHI
NG
(
L
S
B)
TEMPERATURE (°C)
08479-
024
200kSPS
AVCC, VDRIVE = 5V
EXTERNAL REFERENCE
5V RANGE
10V RANGE
Figure 23. Bipolar Zero Code Error Matching Between Channels
–40
–50
–60
–70
–80
–90
–100
–110
1k
100k
10k
–120
T
HD
(
d
B)
INPUT FREQUENCY (Hz)
08479-
021
±10V RANGE
AVCC, VDRIVE = +5V
FSAMPLE = 200kSPS
RSOURCE MATCHED ON Vx AND VxGND INPUTS
105k
48.7k
23.7k
10k
5k
1.2k
100
51
0
Figure 24. THD vs. Input Frequency for Various Source Impedances,
±10 V Range
1k
100k
10k
T
HD
(
d
B)
INPUT FREQUENCY (Hz)
08479-
122
±5V RANGE
AVCC, VDRIVE = +5V
FSAMPLE = 200kSPS
RSOURCE MATCHED ON Vx AND VxGND INPUTS
105k
48.7k
23.7k
10k
5k
1.2k
100
51
0
–40
–50
–60
–70
–80
–90
–100
–110
–120
Figure 25. THD vs. Input Frequency for Various Source Impedances,
±5 V Range
98
96
94
92
90
88
86
84
82
10
100k
10k
1k
100
80
S
NR
(
d
B)
INPUT FREQUENCY (Hz)
08479-
020
NO OS
OS BY 2
OS BY 4
OS BY 8
OS BY 16
OS BY 32
OS BY 64
AVCC, VDRIVE = 5V
FSAMPLE CHANGES WITH OS RATE
TA = 25°C
INTERNAL REFERENCE
±5V RANGE
Figure 26. SNR vs. Input Frequency for Different Oversampling Rates, ±5 V Range
100
98
96
94
92
90
88
86
84
82
10
100k
10k
1k
100
80
S
NR
(
d
B)
INPUT FREQUENCY (Hz)
08479-
121
NO OS
OS BY 2
OS BY 4
OS BY 8
OS BY 16
OS BY 32
OS BY 64
AVCC, VDRIVE = 5V
FSAMPLE CHANGES WITH OS RATE
TA = 25°C
INTERNAL REFERENCE
±10V RANGE
Figure 27. SNR vs. Input Frequency for Different Oversampling Rates, ±10 V Range
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
160
140
120
100
80
60
40
20
–140
CHANNE
L
-T
O
-CHANNE
L
I
S
O
L
AT
IO
N
(
d
B)
NOISE FREQUENCY (kHz)
08479-
025
±10V RANGE
±5V RANGE
AVCC, VDRIVE = 5V
INTERNAL REFERENCE
AD7606 RECOMMENDED DECOUPLING USED
FSAMPLE = 150kSPS
TA = 25°C
INTERFERER ON ALL UNSELECTED CHANNELS
Figure 28. Channel-to-Channel Isolation
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