EVAL-CED1Z View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'EVAL-CED1Z' PDF : 28 Pages View PDF
AD7679
TYPICAL PERFORMANCE CHARACTERISTICS
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
0
65536
131072
CODE
196608
262144
03085-0-005
Figure 5. Integral Nonlinearity vs. Code
2.0
1.5
1.0
0.5
0
–0.5
–1.0
0
65536
131072
CODE
196608
262144
03085-0-008
Figure 8. Differential Nonlinearity vs. Code
70000
60000
58510 59001
VREF = 5V
50000
40000
30000
20000
10000
7584
4616
0
0 73
264 0
0
0
1FEBD1FEBE 1FEC0 1FEC1 1FEC2 1FEC3 1FEC4 1FEC5 1FEC6
CODE IN HEX
03085-0-006
Figure 6. Histogram of 131,072 Conversions of a
DC Input at the Code Transition
90000
80000
VREF = 5V
70000
60000
50000
40000
30000
20000
23080
22496
10000
0
2 799
3838 59
0
0
1FEBE 1FEBF 1FEC0 1FEC1 1FEC2 1FEC3 1FEC4 1FEC5 1FEC6
CODE IN HEX
03085-0-009
Figure 9. Histogram of 131,072 Conversions of a
DC Input at the Code Center
100
120
100
80
80
60
60
40
40
20
20
0
0
0.5
1.0
1.5
2.0
2.5
POSITIVE INL (LSB)
03085-0-007
Figure 7. Typical Positive INL Distribution (424 Units)
0
–2.5
–2.0
–1.5
–1.0
NEGATIVE INL (LSB)
–0.5
0
03085-0-010
Figure 10. Typical Negative INL Distribution (424 Units)
Rev. A | Page 12 of 28
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