参数资料
型号: AD7195BCPZ-RL7
厂商: Analog Devices Inc
文件页数: 4/45页
文件大小: 0K
描述: IC AFE 24BIT 4.8K 32LFSP
设计资源: Precision Weigh Scale Design Using AD7195 with Internal PGA and AC Excitation (CN0155)
标准包装: 1,500
位数: 24
通道数: 4
电压 - 电源,模拟: 4.75 V ~ 5.25 V
电压 - 电源,数字: 2.7 V ~ 5.25 V
封装/外壳: 32-WFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-WQ(5x5)
包装: 带卷 (TR)
AD7195
Rev. 0 | Page 11 of 44
TYPICAL PERFORMANCE CHARACTERISTICS
8,388,760
8,388,758
8,388,756
8,388,754
8,388,752
8,388,750
8,388,748
8,388,746
0
200
400
600
800
1000
CO
DE
SAMPLE
08
77
1-
0
06
30
20
25
15
10
5
0
8,388,490
8,388,576
8,388,662
8,388,748
8,388,834
8,388,920
F
RE
Q
U
E
NCY
08
77
1-
0
09
CODE
Figure 9. Noise Distribution Histogram (VREF = 5 V,
Output Data Rate = 4800 Hz, Gain = 128, Chop Disabled, Sinc4 Filter)
Figure 6. Noise (VREF = 5 V, Output Data Rate = 4.7 Hz, Gain = 128,
Chop Disabled, Sinc4 Filter)
250
200
150
100
50
0
8,
38
8,
746
8,
38
8,
748
8,
38
8,
750
8,
38
8,
752
8,
38
8,
754
8,
38
8,
756
8,
38
8,
758
8,
38
8,
760
F
RE
Q
U
E
NCY
08
77
1-
0
07
CODE
8,388,820
8,388,800
8,388,760
8,388,740
8,388,700
8,388,680
8,388,780
8,388,720
8,388,660
8,388,640
8,388,620
0
200
400
600
800
1000
100
300
500
700
900
CO
DE
SAMPLES
08
77
1-
0
10
Figure 10. Noise (VREF = 5 V, Output Data Rate = 4800 Hz, Gain = 1,
Chop Disabled, Sinc4 Filter)
Figure 7. Noise Distribution Histogram (VREF = 5 V,
Output Data Rate = 4.7 Hz, Gain = 128, Chop Disabled, Sinc4 Filter)
80
50
70
40
60
30
20
10
0
8,388,620
8,388,660
8,388,700
8,388,740
8,388,780
8,388,820
F
RE
Q
U
E
NCY
0
877
1-
0
11
CODE
8,388,950
8,388,900
8,388,800
8,388,750
8,388,650
8,388,600
8,388,850
8,388,700
8,388,550
8,388,500
8,388,450
0
200
400
600
800
1000
100
300
500
700
900
CO
DE
SAMPLES
08
77
1-
0
08
Figure 8. Noise (VREF = 5 V, Output Data Rate = 4800 Hz, Gain = 128,
Chop Disabled, Sinc4 Filter)
Figure 11. Noise Distribution Histogram (VREF = 5 V,
Output Data Rate = 4800 Hz, Gain = 1, Chop Disabled, Sinc4 Filter)
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