EVAL-AD7621CB View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'EVAL-AD7621CB' PDF : 32 Pages View PDF
AD7621
TYPICAL PERFORMANCE CHARACTERISTICS
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0
160000
140000
16384
32768
CODE
49152
Figure 6. Integral Nonlinearity vs. Code
65536
149969
= 0.69
120000
100000
80000
60000
51847
54791
40000
20000
0
13
0
7FFC 7FFD
2080
7FFE 7FFF 8000 8001
CODE IN HEX
2415
8002
5
8003
0
8004
Figure 7. Histogram of 261,120 Conversions of a DC Input
at the Code Center (External Reference)
2.0530
2.0525
2.0520
2.0515
2.0510
2.0505
2.0500
2.0495
2.0490
2.0485
2.0480
–55 –35 –15
5
25 45 65
TEMPERATURE (C)
85 105 125
Figure 8. Typical Reference Voltage Output vs. Temperature (3 Units)
1.5
1.0
0.5
0
–0.5
–1.0
0
160000
140000
120000
16384
32768
CODE
49152
Figure 9. Differential Nonlinearity vs. Code
65536
127317
= 0.82
100000
80000
60000
60842
59637
40000
20000
0
0
7FFC
176
7FFD
6644
7FFE
7FFF 8000 8001
CODE IN HEX
6376
8002
128
8003
0
8004
Figure 10. Histogram of 261,120 Conversions of a DC Input
at the Code Center (Internal Reference)
10
8
6
4
2
–FS
0
–2
–4
ZERO ERROR
–6
–8
+FS
–10
–55 –35 –15
5
25 45 65
TEMPERATURE (C)
85 105 125
Figure 11. Zero Error, Positive and Negative Full Scale vs. Temperature
Rev. A | Page 12 of 32
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