参数资料
型号: AD7193BCPZ
厂商: Analog Devices Inc
文件页数: 49/57页
文件大小: 0K
描述: IC ADC 24BIT SPI 4.8KHZ 32LFCSP
标准包装: 1
位数: 24
采样率(每秒): 4.8k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
电压电源: 模拟和数字
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-WQ(5x5)
包装: 托盘
输入数目和类型: 4 个差分,单极;4 个差分,双极;8 个伪差分,单极;8 个伪差分,双极
AD7193
Data Sheet
Rev. D | Page 52 of 56
SUMMARY OF FILTER OPTIONS
The AD7193 has several filter options. The filter that is chosen
affects the output data rate, settling time, the rms noise, and the
50 Hz/60 Hz rejection.
Table 36 shows some sample configurations and the corresponding
performance in terms of throughput, settling time, and 50 Hz/
60 Hz rejection.
Table 36. Filter Summary1
Filter
FS[9:0]
Output Data
Rate (Hz)
Settling
Time (ms)
Throughput2 (Hz)
REJ60
50 Hz Rejection (dB)3
Sinc4, Chop Disabled4
1
4800
0.83
1200
0
No 50 Hz or 60 Hz rejection
Sinc4, Chop Disabled
5
960
4.17
240
0
No 50 Hz or 60 Hz rejection
Sinc3, Chop Disabled
5
960
3.125
320
0
No 50 Hz or 60 Hz rejection
Sinc4, Chop Disabled
480
10
400
2.5
0
120 dB (50 Hz and 60 Hz)
Sinc3, Chop Disabled
480
10
300
3.33
0
100 dB (50 Hz and 60 Hz)
Sinc4, Chop Disabled
96
50
80
12.5
0
120 dB (50 Hz only)
Sinc4, Chop Disabled
96
50
80
12.5
1
82 dB (50 Hz and 60 Hz)
Sinc3, Chop Disabled
96
50
60
16.7
0
95 dB (50 Hz only)
Sinc3, Chop Disabled
96
50
60
16.7
1
67 dB (50 Hz and 60 Hz)
Sinc4, Chop Disabled
80
60
66.67
15
0
120 dB (60 Hz only)
Sinc3, Chop Disabled
80
60
50
20
0
95 dB (60 Hz only)
Sinc4, Chop Disabled,
Zero Latency
96
12.5
80
12.5
0
120 dB (50 Hz only)
Sinc4, Chop Disabled,
Zero Latency
96
12.5
80
12.5
1
82 dB (50 Hz and 60 Hz)
Sinc4, Chop Disabled,
Zero Latency
80
15
66.67
15
0
120 dB (60 Hz only)
Sinc4, Chop Enabled
96
12.5
160
6.25
1
80 dB (50 Hz and 60 Hz)
Sinc3, Chop Enabled
96
16.7
120
8.33
1
67 dB (50 Hz and 60 Hz)
Fast Settling (Sinc4, Chop
Disabled, Average by 16)
96
2.63
380
2.63
1
100 dB (50 Hz and 60 Hz)
Fast Settling (Sinc4, Chop
Disabled, Average by 16)
96
2.78
360
2.78
1
94 dB (50 Hz and 60 Hz)
Fast Settling (Sinc4, Chop
Disabled, Average by 16)
5
50.53
19.79
50.53
0
40 dB (60 Hz only)
Fast Settling (Sinc3, Chop
Disabled, Average by 16)
5
53.33
18.75
53.33
0
40 dB (60 Hz only)
Fast Settling (Sinc4, Chop
Disabled, Average by 16)
6
42.10
23.75
42.1
0
40 dB (50 Hz only)
Fast Settling (Sinc3, Chop
Disabled, Average by 16)
6
44.44
22.5
44.44
0
40 dB (50 Hz only)
1
These calculations assume a 4.92 MHz stable master clock.
2
Throughput is the rate at which conversions are available when several channels are enabled. In zero latency mode, the output data rate and throughput are equal.
3
For fast settling mode, the 50 Hz/60 Hz rejection is measured in a band of ±0.5 Hz around 50 Hz and/or 60 Hz. For all other modes, a region of ±1 Hz around 50 Hz
and/or 60 Hz is used.
4
For output dates rates greater than 1 kHz, the sinc4 filter is recommended.
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