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AD7985BCPZ bảng dữ liệu(PDF) 9 Page - Analog Devices

tên linh kiện AD7985BCPZ
Giải thích chi tiết về linh kiện  16-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP
PDF  28 Pages
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nhà sản xuất  AD [Analog Devices]
Trang chủ  http://www.analog.com
Logo AD - Analog Devices

AD7985BCPZ bảng dữ liệu(HTML) 9 Page - Analog Devices

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AD7985
Rev. 0 | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = DVDD = VIO = 2.5 V, BVDD = 5.0 V, VREF = 5.0 V, external reference (PDREF is high, REFIN is low), unless otherwise noted.
1.25
–1.25
–1.00
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
1.00
0
16,384
32,768
49,152
65,536
CODE
POSITIVE INL = +0.38LSB
NEGATIVE INL = –0.46LSB
Figure 5. Integral Nonlinearity vs. Code
60,000
50,000
40,000
30,000
20,000
10,000
0
CODE IN HEX
7FFC 7FFD 7FFE 7FFF 8000
8001
8002
8003
8004
0
122
6150
38,843
57,138
26,249
2537
33
0
Figure 6. Histogram of DC Input at Code Center (External Reference)
60,000
50,000
40,000
30,000
20,000
10,000
0
CODE IN HEX
7FFD
7FFC
7FFB
7FFE 7FFF 8000 8001 8002 8003 8004 8005
011
565
33,064
49,585
31,957
7024
403
80
8455
Figure 7. Histogram of DC Input at Code Center (Internal Reference)
1.00
–1.00
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
0
16,384
32,768
49,152
65,536
CODE
POSITIVE DNL = +0.19LSB
NEGATIVE DNL = –0.20LSB
Figure 8. Differential Nonlinearity vs. Code
60,000
50,000
40,000
30,000
20,000
10,000
0
CODE IN HEX
7FFD
7FFC
7FFB
7FFE 7FFF 8000 8001 8002 8003 8004
02
479
11,888
48,730
53,522
15,645
800
60
Figure 9. Histogram of DC Input at Code Transition (External Reference)
50,000
45,000
40,000
35,000
30,000
25,000
20,000
15,000
10,000
5000
0
CODE IN HEX
7FFE
7FFD
7FFC
7FFF 8000 8001 8002 8003 8004 8005
0
90
2947
20,474
46,649
43,622
15,598
1662
30
0
Figure 10. Histogram of DC Input at Code Transition (Internal Reference)



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